@keyframes fadeInOverlay {
        from { opacity: 0; }
        to   { opacity: 1; }
    }
    @keyframes slideUpModal {
        from { opacity: 0; transform: translateY(24px) scale(0.95); }
        to   { opacity: 1; transform: translateY(0) scale(1); }
    }
    html, body {
        background: #ffffff;
        overscroll-behavior: none;
    }
    html {
        scrollbar-gutter: auto;
    }
    .notes-app * {
        box-sizing: border-box;
    }
    .notes-app {
        visibility: visible !important;
        opacity: 1 !important;
        position: relative;
        z-index: 1;
        font-family: 'DM Sans', sans-serif;
        height: 100vh;
        display: flex;
        flex-direction: column;
        background: #F5F5F5;
        overflow: hidden;
        cursor: auto;
    }
    .notes-header {
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        color: #2c3e50;
        padding: 12px 20px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
        flex-shrink: 0;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }
    .header-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .app-logo {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .app-title {
        font-size: 18px;
        font-weight: 600;
        color: #2c3e50;
    }
    .save-indicator {
        background: rgba(35, 154, 77, 0.2);
        border: 1px solid rgba(35, 154, 77, 0.3);
        color: #239a4d;
        padding: 6px 16px;
        border-radius: 5rem;
        font-size: 12px;
        cursor: default;
        font-weight: 500;
        transition: all 0.2s ease;
    }
    .save-indicator.saving {
        background: rgba(255, 193, 7, 0.2);
        border-color: rgba(255, 193, 7, 0.4);
        color: #ffc107;
        animation: pulse 1.5s ease-in-out infinite;
    }
    .ribbon {
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        border: 1px solid rgba(0, 0, 0, 0.08);
        border-radius: 12px;
        margin: 12px;
        box-shadow: 0 4px 10px rgb(0 0 0 / 4%), 0 2px 8px rgba(0, 0, 0, 0.06);
        position: relative;
        z-index: 10;
        flex-shrink: 0;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        opacity: 1;
        transform: translateY(0);
        will-change: transform, opacity, margin;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }
    body.no-active-note .ribbon {
        opacity: 0;
        transform: translateY(-110%);
        pointer-events: none;
        margin: 0;
        height: 0;
        min-height: 0;
        flex-basis: 0;
        flex-shrink: 1;
        overflow: hidden;
        padding: 0;
    }
    .ribbon.entering {
        animation: ribbonSlideDown 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    @keyframes ribbonSlideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    .ribbon-tabs {
        display: flex;
        background: rgba(248, 250, 252, 0.8);
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        padding: 0;
        border-radius: 12px 12px 0 0;
        overflow: hidden;
    }
    .ribbon-tab {
        background: none;
        border: none;
        padding: 12px 20px;
        cursor: pointer;
        font-size: 13px;
        color: rgba(44, 62, 80, 0.7);
        border-bottom: 2px solid transparent;
        transition: all 0.2s ease;
        font-weight: 500;
        font-family: 'DM Sans', sans-serif;
        border-radius: 8px 8px 0 0;
    }
    .ribbon-tab:hover {
        background: rgba(35, 154, 77, 0.08);
        color: rgba(44, 62, 80, 0.9);
    }
    .ribbon-tab.active {
        background: rgba(255, 255, 255, 0.95);
        border-bottom-color: #239a4d;
        color: #239a4d;
        font-weight: 600;
        box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
    }
    .ribbon-content {
        padding: 12px;
        min-height: 80px;
        background: rgba(255, 255, 255, 0.95);
        display: flex;
        justify-content: flex-start;
        max-width: 1900px;
        margin: 0 auto;
        border-radius: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .ribbon-content::-webkit-scrollbar {
        height: 10px;
    }
    .ribbon-content::-webkit-scrollbar-track {
        background: rgba(241, 241, 241, 0.9);
    }
    .ribbon-panel {
        display: none;
        align-items: center;
        gap: 12px;
        flex-wrap: nowrap;
        justify-content: flex-start;
        min-width: max-content;
        padding-right: 12px;
        padding-left: 12px;
        margin: 0 auto;
    }
    .ribbon-panel.active {
        display: flex;
    }
    .ribbon-group {
        display: flex;
        flex-direction: column;
        gap: 6px;
        border-right: 1px solid rgba(0, 0, 0, 0.08);
        padding-right: 16px;
        margin-right: 6px;
        flex-shrink: 0;
        min-width: max-content;
    }
    .ribbon-group:last-child {
        border-right: none;
        padding-right: 0;
        margin-right: 0;
    }
    .group-label,
    .font-group-label {
     font-size: 10px;
        font-weight: 600;
        color: #9ca3af;
        text-align: center;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        display: block;
        margin-bottom: 4px;
        font-family: 'DM Sans', sans-serif;
    }
    .ribbon-controls {
        display: flex;
        align-items: center;
        gap: 4px;
        flex-wrap: nowrap;
        min-width: max-content;
    }
    .ribbon-btn {
        background: rgba(255, 255, 255, 0.6);
        border: 1px solid rgba(0, 0, 0, 0.08);
        padding: 8px 12px;
        border-radius: 6px;
        cursor: pointer;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
        min-width: 60px;
        transition: all 0.2s ease;
        font-size: 11px;
        color: rgba(44, 62, 80, 0.8);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        font-weight: 500;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    }
    .ribbon-btn:hover {
        background: rgba(255, 255, 255, 0.9);
        border-color: rgba(35, 154, 77, 0.3);
        color: rgba(44, 62, 80, 1);
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    }
    .ribbon-btn.active {
        background: rgba(35, 154, 77, 0.15);
        border-color: #239a4d;
        color: #239a4d;
        box-shadow: 0 2px 8px rgba(35, 154, 77, 0.2);
    }
    .ribbon-btn svg {
        width: 16px;
        height: 16px;
    }
    .ribbon-btn span {
        white-space: nowrap;
        font-size: 10px;
    }
    .font-family, .font-size {
        padding: 6px 12px;
        border: 1px solid rgba(0, 0, 0, 0.08);
        border-radius: 6px;
        font-size: 12px;
        margin-right: 6px;
        background: rgba(255, 255, 255, 0.8);
        color: rgba(44, 62, 80, 0.8);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        transition: all 0.2s ease;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    }
    .font-family {
        width: 120px;
    }
    .font-size {
        width: 60px;
    }
    .font-controls {
        display: flex;
        align-items: center;
        gap: 2px;
    }
    .font-controls .ribbon-btn {
        min-width: 32px;
        padding: 4px 6px;
    }
    .color-picker {
        width: 28px;
        height: 28px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 50%;
        cursor: pointer;
        padding: 0;
        margin: 0 4px;
        transition: all 0.2s ease;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
    }
    .main-content {
        display: flex;
        flex: 1;
        overflow: hidden;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        will-change: flex;
        background: transparent;
    }
    .sidebar {
        width: 320px;
        background: rgba(255, 255, 255, 0);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        display: flex;
        flex-direction: column;
        flex-shrink: 0;
        border-radius: 12px 0 0 12px;
        transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                    min-width 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                    opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow: hidden;
        opacity: 1;
        will-change: width, opacity;
    }
    body.no-active-note .sidebar {
        opacity: 0;
        pointer-events: none;
        width: 0;
        min-width: 0;
    }
    .sidebar.appearing {
        animation: sidebarSlideIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    }
    @keyframes sidebarSlideIn {
        from {
            opacity: 0;
            width: 0;
        }
        to {
            opacity: 1;
            width: 320px;
        }
    }
    .sidebar.collapsed {
        width: 60px;
        min-width: 60px;
    }
    .sidebar-header h3,
    .sidebar .notes-list,
    .sidebar .new-note-btn {
        transition: opacity 0.2s ease;
    }
    .sidebar.collapsed .sidebar-header h3,
    .sidebar.collapsed .notes-list {
        opacity: 0;
        pointer-events: none;
    }
    .sidebar.collapsed .new-note-btn {
        opacity: 0;
        pointer-events: none;
    }
    .sidebar.collapsed .sidebar-header {
        justify-content: center;
        padding: 12px 12px;
        flex-direction: column;
        gap: 8px;
    }
    .sidebar.collapsed .sidebar-toggle {
        order: 0;
    }
    .sidebar-header {
        padding: 13px 12px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: rgba(255, 255, 255, 0);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        border-radius: 12px 0 0 0;
        gap: 12px;
        position: relative;
    }
    .sidebar-toggle {
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid rgba(0, 0, 0, 0.08);
        border-radius: 8px;
        width: 40px;
        height: 40px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.2s ease;
        color: rgba(44, 62, 80, 0.7);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        order: 0;
        flex-shrink: 0;
    }
    .sidebar-toggle:hover {
        background: rgba(35, 154, 77, 0.1);
        border-color: rgba(35, 154, 77, 0.3);
        color: rgba(35, 154, 77, 0.8);
    }
    .sidebar-header h3 {
        margin: 0;
        font-size: 18px;
        color: rgba(44, 62, 80, 0.9);
        font-weight: 600;
        font-family: 'DM Sans', sans-serif;
        order: 1;
        flex: 1;
    }
    .new-note-btn {
        background: #239a4d;
        color: white;
        border: none;
        border-radius: 8px;
        padding: 0;
        width: 40px;
        height: 40px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        order: 2;
        flex-shrink: 0;
    }
    .new-note-btn:hover {
        background: #197138;
    }
    .notes-list {
        flex: 1;
        overflow-y: auto;
        overflow-x: hidden;
        padding: 5px 10px;
    }
    .note-item {
        background: rgba(255, 255, 255, 0.95);
        border: 1px solid rgba(0, 0, 0, 0.06);
        border-radius: 8px;
        padding: 16px 20px;
        margin-bottom: 8px;
        cursor: pointer;
        transition: background 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        opacity: 1;
        transform: translateX(0);
    }
    @keyframes noteItemFadeIn {
        from {
            opacity: 0;
            transform: translateX(-12px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    .note-item:hover {
        background: rgba(255, 255, 255, 1);
        transform: translateX(4px);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    }
    .note-item.active {
        box-shadow: 0 4px 16px rgba(35, 154, 77, 0.15);
        border-color: rgba(35, 154, 77, 0.2);
        background: rgba(255, 255, 255, 1);
    }
    .note-item-title {
        font-weight: 600;
        color: rgba(44, 62, 80, 0.9);
        margin-bottom: 6px;
        font-size: 15px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        font-family: 'DM Sans', sans-serif;
    }
    .note-item-preview {
        color: rgba(44, 62, 80, 0.6);
        font-size: 12px;
        line-height: 1.5;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        font-family: 'DM Sans', sans-serif;
    }
    .note-item-date {
        color: rgba(44, 62, 80, 0.4);
        font-size: 11px;
        margin-top: 8px;
        font-weight: 500;
    }
    .editor-area {
        flex: 1;
        display: flex;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        position: relative;
        border-radius: 12px;
        margin: 12px;
        border: 1px solid rgba(0, 0, 0, 0.05);
        transition: margin 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-radius 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow: hidden;
        will-change: flex, margin, border-radius;
    }
    body.no-active-note .editor-area {
        border-radius: 0;
        margin: 0;
        border-color: transparent;
    }
    .editor-area.appearing {
        animation: editorExpand 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    @keyframes editorExpand {
        from {
            margin: 0;
            border-radius: 0;
            border-color: transparent;
        }
        to {
            margin: 12px;
            border-radius: 12px;
            border-color: rgba(0, 0, 0, 0.05);
        }
    }
    .editor-header {
        padding: 20px 24px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        border-radius: 0 12px 0 0;
        position: relative;
        z-index: 100;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        animation: headerFadeIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    @keyframes headerFadeIn {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    .note-title {
        border: none;
        font-size: 24px;
        font-weight: 600;
        color: rgb(0 0 0 / 90%);
        background: transparent;
        flex: 1;
        outline: none;
        padding: 8px 0;
        font-family: 'DM Sans', sans-serif;
        max-width: 80%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .note-title::placeholder {
        color: rgba(44, 62, 80, 0.4);
    }
    .editor-actions {
        display: flex;
        gap: 8px;
        align-items: center;
    }
    .action-btn {
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid rgba(0, 0, 0, 0.1);
        border-radius: 8px;
        padding: 12px;
        cursor: pointer;
        color: rgba(44, 62, 80, 0.7);
        transition: all 0.2s ease;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        height: 48px;
        box-sizing: border-box;
    }
    .action-btn:hover {
        background: rgba(220, 53, 69, 0.2);
        border-color: #dc3545;
        color: #dc3545;
        box-shadow: 0 2px 6px rgba(220, 53, 69, 0.2);
    }
    .action-btntwo {
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid rgba(0, 0, 0, 0.1);
        border-radius: 8px;
        padding: 12px;
        cursor: pointer;
        color: rgba(44, 62, 80, 0.7);
        transition: all 0.2s ease;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        height: 48px;
        box-sizing: border-box;
    }
    .action-btntwo:hover {
        background: rgb(56, 88, 220, 0.2);
        border-color: #3858dc;
        color: #384bdc;
        box-shadow: 0 2px 6px rgb(56, 67, 220, 0.2);
    }
    .action-btnthree {
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid rgba(0, 0, 0, 0.1);
        border-radius: 8px;
        padding: 12px;
        cursor: pointer;
        color: rgba(44, 62, 80, 0.7);
        transition: all 0.2s ease;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        height: 48px;
        color: rgba(44, 62, 80, 0.7);
        box-shadow: 0 2px 6px rgb(217, 220, 56, 0.05);
    }
    .action-btnthree:hover {
        background: rgba(217, 220, 56, 0.2);
        border-color: #c3dc38;
        color: #dcd138;
        box-shadow: 0 2px 6px rgba(220, 190, 56, 0.2);
    }
    .mobile-back-btn {
        display: none;
    }
    .editor-content {
        flex: 1;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        position: relative;
        z-index: 1;
        min-height: 0;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        animation: editorContentFadeIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    @keyframes editorContentFadeIn {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }
    .text-editor {
        flex: 1;
        padding: 24px;
        outline: none;
        font-size: 15px;
        line-height: 1.6;
        color: rgb(0 0 0 / 85%);
        overflow-y: auto;
        overflow-x: hidden;
        font-family: 'DM Sans', sans-serif;
        background: rgba(255, 255, 255, 0.5);
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-word;
        white-space: pre-wrap;
        hyphens: auto;
        position: relative;
        min-height: 0;
    }
    .collab-presence-bar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 5px 16px;
        background: linear-gradient(90deg, #f0fdf4 0%, #f8fffe 100%);
        border-bottom: 1px solid #bbf7d0;
        font-size: 12px;
        gap: 8px;
        flex-shrink: 0;
        animation: collabBarIn 0.25s ease;
    }
    @keyframes collabBarIn {
        from { opacity: 0; transform: translateY(-6px); }
        to   { opacity: 1; transform: translateY(0); }
    }
    .collab-bar-avatars {
        display: flex;
        align-items: center;
    }
    .collab-avatar {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        font-weight: 700;
        border: 2px solid #fff;
        box-shadow: 0 1px 4px rgba(0,0,0,0.18);
        margin-left: -6px;
        position: relative;
        cursor: default;
        transition: transform 0.15s ease, z-index 0s;
        z-index: 0;
    }
    .collab-avatar:first-child { margin-left: 0; }
    .collab-avatar:hover { transform: translateY(-3px) scale(1.12); z-index: 5; }
    .collab-avatar-me { box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--bg, #00b894); }
    .collab-avatar-crown {
        position: absolute;
        top: -13px;
        left: 50%;
        transform: translateX(-50%);
        line-height: 1;
        filter: drop-shadow(0 1px 3px rgba(0,0,0,0.4));
        pointer-events: none;
    }
    .collab-avatar-overflow {
        background: #e5e7eb !important;
        color: #374151 !important;
        font-size: 11px;
        font-weight: 700;
        letter-spacing: -0.5px;
    }
    .collab-bar-right {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-left: auto;
    }
    .collab-session-dot {
        display: inline-block;
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: #10b981;
        animation: collabPulse 2s ease infinite;
        margin-right: 2px;
    }
    @keyframes collabPulse {
        0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
        50% { opacity: 0.7; box-shadow: 0 0 0 4px rgba(16,185,129,0); }
    }
    .collab-session-label {
        font-size: 10px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.07em;
        color: #059669;
        margin-right: 4px;
    }
    .collab-perm-badge {
        padding: 2px 9px;
        border-radius: 999px;
        font-size: 11px;
        font-weight: 600;
        letter-spacing: 0.01em;
    }
    .collab-perm-owner { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
    .collab-perm-edit  { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
    .collab-perm-view  { background: #f1f5f9; color: #475569; border: 1px solid #cbd5e1; }
    .collab-nav-avatars {
        display: flex;
        align-items: center;
        margin-right: 8px;
    }
    .collab-nav-avatars .collab-avatar {
        width: 26px;
        height: 26px;
        font-size: 11px;
    }
    .note-item-date {
        display: flex;
        align-items: center;
        gap: 5px;
    }
    .note-live-dot {
        display: inline-block;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: #10b981;
        flex-shrink: 0;
        animation: collabPulse 2s ease infinite;
    }
    #statbar-perm {
        margin-left: auto;
        padding-right: 4px;
    }
    #statbar-perm .collab-perm-badge {
        font-size: 10px;
        padding: 1px 8px;
        border-radius: 999px;
        font-weight: 600;
    }
    .collab-cursors {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: 8;
        overflow: visible;
    }
    .collab-cursor {
        position: absolute;
        pointer-events: auto;
        width: 14px;
        margin-left: -6px;
        min-height: 18px;
        background: transparent !important;
        border-radius: 0;
    }
    .collab-cursor::before {
        content: '';
        position: absolute;
        left: 6px;
        top: 0;
        width: 2px;
        height: 100%;
        background: var(--cursor-color, #005fa3);
        border-radius: 2px;
        pointer-events: none;
    }
    .collab-cursor-label {
        position: absolute;
        left: 6px;
        top: -26px;
        padding: 2px 8px;
        border-radius: 4px 4px 4px 0;
        color: #fff;
        font-size: 11px;
        font-weight: 600;
        white-space: nowrap;
        z-index: 10;
        box-shadow: 0 2px 6px rgba(0,0,0,0.2);
        letter-spacing: 0.01em;
        pointer-events: none;
        opacity: 0;
        transform: translateY(4px) scale(0.9);
        transform-origin: bottom left;
        transition: opacity 0.18s ease, transform 0.18s ease;
    }
    .collab-cursor-label.label-visible {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    body.collab-view-only .format-btn,
    body.collab-view-only #insertTableBtn,
    body.collab-view-only #insertTodoBtn,
    body.collab-view-only #drawBtn,
    body.collab-view-only #insertImageBtn,
    body.collab-view-only #cutBtn,
    body.collab-view-only #pasteBtn,
    body.collab-view-only #fontFamilyDropdown .ms-dropdown-btn,
    body.collab-view-only #fontSizeDropdown .ms-dropdown-btn,
    body.collab-view-only #fontColorDropdown .ms-dropdown-btn,
    body.collab-view-only #highlightColorDropdown .ms-dropdown-btn,
    body.collab-view-only .mobile-ribbon-row .format-btn,
    body.collab-view-only #mobileInsertTableBtn,
    body.collab-view-only #mobileInsertImageBtn,
    body.collab-view-only #mobileInsertTodoBtn,
    body.collab-view-only #mobileDrawBtn,
    body.collab-view-only #mobileMoreBtn {
        opacity: 0.35;
        pointer-events: none;
        cursor: not-allowed;
    }
    body.collab-non-owner #exportNoteBtn,
    body.collab-non-owner #deleteNoteBtn,
    body.collab-non-owner #noteColorDropdown {
        display: none !important;
    }
    #leaveCollabBtn {
        display: none !important;
    }
    #leaveCollabBtn.visible,
    body.collab-non-owner #leaveCollabBtn.visible {
        display: inline-flex !important;
    }
    .text-editor:focus {
        outline: none;
    }
    .text-editor:empty:before,
    .text-editor[data-empty="true"]:before {
        content: attr(data-placeholder);
        color: rgba(44, 62, 80, 0.4);
        font-style: italic;
        position: absolute;
        top: 24px;
        left: 24px;
        pointer-events: none;
        white-space: nowrap;
    }
    .text-editor:focus:empty:before,
    .text-editor:focus[data-empty="true"]:before {
        color: rgba(44, 62, 80, 0.3);
    }
    .text-editor p {
        margin: 0 0 12px 0;
    }
    .text-editor h1, .text-editor h2, .text-editor h3, .text-editor h4, .text-editor h5, .text-editor h6 {
        margin: 16px 0 8px 0;
        color: #2c3e50;
    }
    .text-editor ul, .text-editor ol {
        padding-left: 24px;
        margin: 8px 0;
    }
    .text-editor li {
        margin: 4px 0;
    }
    .text-editor table {
        border-collapse: collapse;
        width: 100%;
        margin: 16px 0;
    }
    .text-editor table td, .text-editor table th {
        border: 1px solid #d1d1d1;
        padding: 8px 12px;
        text-align: left;
    }
    .text-editor table th {
        background: #f8f9fa;
        font-weight: 600;
    }
    .text-editor a {
        color: #0078d4;
        text-decoration: none;
    }
    .text-editor a:hover {
        text-decoration: underline;
    }
    .welcome-screen {
        display: flex;
        align-items: stretch;
        justify-content: center;
        flex: 1;
        width: 100%;
        background: linear-gradient(135deg, #ffffff 0%, #fcfffc 100%);
        position: relative;
        overflow: hidden;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .welcome-screen.hidden {
        display: none !important;
        pointer-events: none;
        opacity: 0;
    }
    .welcome-content {
        padding: 40px;
        max-width: 1200px;
        width: 100%;
        animation: welcomeFadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        display: flex;
        flex-direction: column;
        gap: 24px;
        height: 100%;
        overflow: hidden;
    }
    @keyframes welcomeFadeIn {
        from {
            opacity: 0;
            transform: translateY(12px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    .welcome-header {
        display: flex;
        flex-direction: column;
        gap: 24px;
        flex-shrink: 0;
    }
    .welcome-header-top {
        display: flex;
        align-items: center;
        gap: 24px;
    }
    .welcome-logo {
        opacity: 0.9;
        filter: drop-shadow(0 4px 12px rgba(35, 154, 77, 0.15));
        animation: welcomeBounce 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
        flex-shrink: 0;
    }
    @keyframes welcomeBounce {
        0% {
            opacity: 0;
            transform: scale(0.8) translateY(-8px);
        }
        50% {
            transform: scale(1.05);
        }
        100% {
            opacity: 0.9;
            transform: scale(1) translateY(0);
        }
    }
    .welcome-header h1 {
        margin: 0;
        color: rgba(44, 62, 80, 0.95);
        font-weight: 700;
        font-family: 'DM Sans', sans-serif;
        font-size: 38px;
        line-height: 1.3;
    }
    .notes-section {
        display: flex;
        flex-direction: column;
        gap: 20px;
        flex: 1;
        overflow: hidden;
    }
    .section-title {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        flex-shrink: 0;
    }
    .section-title h3 {
        margin: 0;
        font-size: 18px;
        font-weight: 600;
        color: rgba(44, 62, 80, 0.9);
        font-family: 'DM Sans', sans-serif;
    }
    .create-note-btn {
        background: #239a4d;
        color: white;
        border: none;
        border-radius: 8px;
        padding: 10px 20px;
        font-size: 14px;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-weight: 500;
        font-family: 'DM Sans', sans-serif;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 4px 16px rgba(35, 154, 77, 0.2);
        white-space: nowrap;
        flex-shrink: 0;
    }
    .create-note-btn:hover {
        background: #1a793c;
        box-shadow: 0 8px 24px rgba(35, 154, 77, 0.3);
        transform: translateY(-2px);
    }
    .create-note-btn svg {
        width: 18px;
        height: 18px;
    }
    .notes-list-display {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        overflow-y: auto;
        overflow-x: hidden;
        padding-right: 8px;
    }
    .notes-list-display::-webkit-scrollbar {
        width: 8px;
    }
    .notes-list-display::-webkit-scrollbar-track {
        background: transparent;
    }
    .notes-list-display::-webkit-scrollbar-thumb {
        background: rgba(0, 0, 0, 0.2);
        border-radius: 4px;
    }
    .notes-list-display::-webkit-scrollbar-thumb:hover {
        background: rgba(0, 0, 0, 0.3);
    }
    .note-card {
        background: #ffffff;
        border: 1px solid rgba(0, 0, 0, 0.08);
        border-radius: 12px;
        padding: 24px;
        cursor: pointer;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        display: flex;
        flex-direction: column;
        gap: 12px;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
        position: relative;
        overflow: hidden;
        min-height: 120px;
    }
    .note-card.pink {
        background: #ffe4e1;
    }
    .note-card.pink:hover {
        background: #ffd4ce;
    }
    .note-card.blue {
        background: #e6f3ff;
    }
    .note-card.blue:hover {
        background: #cce6ff;
    }
    .note-card.green {
        background: #e8f5e8;
    }
    .note-card.green:hover {
        background: #d1ebd1;
    }
    .note-card.yellow {
        background: #fff9e6;
    }
    .note-card.yellow:hover {
        background: #fff3cc;
    }
    .note-card.purple {
        background: #f3e6ff;
    }
    .note-card.purple:hover {
        background: #e6ccff;
    }
    .note-card-title {
        font-size: 16px;
        font-weight: 600;
        color: rgba(44, 62, 80, 0.95);
        margin: 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        font-family: 'DM Sans', sans-serif;
    }
    .note-card-preview {
        font-size: 14px;
        color: rgba(44, 62, 80, 0.65);
        margin: 0;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        font-family: 'DM Sans', sans-serif;
        flex: 1;
    }
    .note-card-date {
        font-size: 12px;
        color: rgba(44, 62, 80, 0.5);
        margin: 0;
        font-family: 'DM Sans', sans-serif;
        margin-top: auto;
    }
    .no-notes-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 16px;
        padding: 60px 20px;
        text-align: center;
        grid-column: 1 / -1;
    }
    .no-notes-icon {
        font-size: 128px;
        color: rgba(150, 111, 80, 0.15);
        line-height: 1;
        font-weight: 1000;
    }
    .no-notes-container p {
        margin: 0;
        color: rgba(44, 62, 80, 0.6);
        font-family: 'DM Sans', sans-serif;
        font-size: 16px;
    }
    .no-notes-container p:first-of-type {
        font-weight: 500;
        color: rgba(44, 62, 80, 0.8);
    }
    .no-notes-hint {
        font-size: 14px;
        color: rgba(44, 62, 80, 0.5) !important;
    }
    @media (max-width: 1023px) {
        .notes-app {
            overflow: hidden;
            position: relative;
        }
        .main-content {
            position: relative;
            overflow: hidden;
        }
        .ribbon {
            margin: 8px;
            border-radius: 10px; 
        }
        .ribbon-tabs {
            display: none;
        }
        .ribbon-panel {
            display: none !important;
        }
        .ribbon-content {
            padding: 8px 4px 8px 4px;
            min-height: unset;
            border-radius: 10px;
            justify-content: flex-start;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            position: relative;
        }
        .ribbon-content::-webkit-scrollbar {
            display: none;
        }
        .mobile-ribbon-row {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            width: 100%;
            padding-right: 16px;
        }
        .mobile-ribbon-row .ribbon-btn {
            min-width: 40px;
            padding: 8px;
            flex-direction: row;
            gap: 0;
            flex-shrink: 0;
            border-radius: 8px;
        }
        .mobile-ribbon-row .ribbon-btn span {
            display: none; 
        }
        .mobile-ribbon-divider {
            width: 1px;
            height: 28px;
            background: rgba(0, 0, 0, 0.1);
            flex-shrink: 0;
            margin: 0 2px;
        }
        .mobile-more-btn {
            min-width: 40px;
            padding: 8px;
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: 8px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(44, 62, 80, 0.8);
            flex-shrink: 0;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.2s ease;
        }
        .mobile-more-btn:hover,
        .mobile-more-btn.active {
            background: rgba(35, 154, 77, 0.15);
            border-color: #239a4d;
            color: #239a4d;
        }
        .mobile-more-panel {
            display: none;
            position: absolute;
            top: calc(100% + 4px);
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(3px);
            -webkit-backdrop-filter: blur(3px);
            border: 1px solid rgba(0, 0, 0, 0.1);
            border-radius: 10px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
            z-index: 5000;
            padding: 8px;
            min-width: 220px;
        }
        .mobile-more-panel.open {
            display: block;
            animation: dropdownFadeIn 0.2s ease;
        }
        .mobile-more-panel .ms-dropdown {
            margin-bottom: 4px;
        }
        .mobile-more-panel .ms-dropdown-btn {
            width: 100%;
            min-width: unset;
        }
        .mobile-ribbon-row .ms-dropdown {
            flex-shrink: 0;
        }
        .mobile-ribbon-row .ms-dropdown-btn {
            height: 36px;
            min-height: 36px;
            white-space: nowrap;
            font-size: 12px;
        }
        .mobile-ribbon-row .ms-dropdown-menu {
            min-width: 150px;
            max-height: 260px;
            overflow-y: auto;
        }
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 85vw;
            max-width: 340px;
            height: 100%;
            z-index: 2000;
            transform: translateX(-100%);
            transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
            border-radius: 0 16px 16px 0;
            box-shadow: none;
            background: rgba(255, 255, 255, 0.99);
            backdrop-filter: blur(3px);
            -webkit-backdrop-filter: blur(3px);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .sidebar.mobile-open {
            transform: translateX(0);
            box-shadow: 4px 0 40px rgba(0, 0, 0, 0.25);
        }
        .sidebar.collapsed {
            width: 85vw;
            max-width: 340px;
            min-width: unset;
            transform: translateX(-100%);
        }
        .sidebar.collapsed.mobile-open {
            transform: translateX(0);
        }
        .sidebar.collapsed .sidebar-header h3,
        .sidebar.collapsed .notes-list,
        .sidebar.collapsed .new-note-btn {
            opacity: 1;
            pointer-events: auto;
        }
        .sidebar.collapsed .sidebar-header {
            justify-content: space-between;
            flex-direction: row;
            padding: 20px;
            gap: 12px;
        }
        .sidebar-header {
            padding: 10px 12px;
            border-radius: 0 16px 0 0;
            flex-shrink: 0;
        }
        .notes-list {
            flex: 1;
            overflow-y: auto;
            -webkit-overflow-scrolling: touch;
        }
        .sidebar-backdrop {
            display: block;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 9998;
            backdrop-filter: blur(3px);
            -webkit-backdrop-filter: blur(3px);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        .sidebar-backdrop.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .editor-area {
            margin: 0 8px 8px 8px;
            border-radius: 10px;
            width: calc(100% - 16px);
            flex: 1;
            min-width: 0; 
        }
        .editor-header {
            padding: 10px 12px;
            border-radius: 10px 10px 0 0;
            gap: 6px;
            flex-wrap: nowrap;
            min-height: 0;
        }
        .note-title {
            font-size: 16px;
            max-width: none;
            flex: 1;
            min-width: 0;
        }
        .editor-actions {
            gap: 4px;
            flex-shrink: 1;
            flex-wrap: wrap;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            max-width: 100%;
        }
        .action-btn,
        .action-btntwo,
        .action-btnthree,
        #noteColorDropdown .ms-dropdown-btn {
            height: 36px !important;
            min-height: 36px !important;
            max-height: 36px !important;
            border-radius: 8px !important;
            box-sizing: border-box !important;
            display: flex !important;
            align-items: center !important;
            flex-shrink: 0 !important;
        }
        .action-btn,
        .action-btntwo,
        .action-btnthree {
            padding: 0 10px;
            width: 36px;
            min-width: 36px;
            justify-content: center;
        }
        #noteColorDropdown .ms-dropdown-btn {
            padding: 0 20px 0 8px !important;
            width: auto !important;
            min-width: 88px !important;
            justify-content: flex-start !important;
        }
        #noteColorDropdown .dropdown-value {
            display: inline !important;
            font-size: 11px;
            white-space: nowrap;
        }
        #noteColorDropdown .ms-dropdown-btn::after {
            right: 5px;
        }
        #noteColorDropdown .color-preview {
            flex-shrink: 0;
        }
        .swipe-hint {
            position: fixed;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 20px;
            height: 48px;
            background: transparent;
            border-radius: 0 4px 4px 0;
            z-index: 100;
            pointer-events: auto;
            cursor: pointer;
            transition: opacity 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .swipe-hint::after {
            content: '';
            display: block;
            width: 4px;
            height: 48px;
            background: rgba(35, 154, 77, 0.35);
            border-radius: 0 4px 4px 0;
            transition: background 0.2s ease, width 0.2s ease;
        }
        .swipe-hint:hover::after, .swipe-hint:active::after {
            background: rgba(35, 154, 77, 0.65);
            width: 6px;
        }
        .text-editor {
            padding: 16px;
            font-size: 15px;
        }
        .text-editor:empty:before,
        .text-editor[data-empty="true"]:before {
            top: 16px;
            left: 16px;
        }
        .welcome-screen {
            padding: 20px;
        }
        .welcome-content h2 {
            font-size: 22px;
        }
        .welcome-content p {
            font-size: 14px;
        }
        .mobile-more-panel .ms-dropdown {
            display: block;
            width: 100%;
        }
        .mobile-more-panel .ms-dropdown-btn {
            width: 100%;
            border-radius: 8px;
        }
        .mobile-more-panel .ms-dropdown-menu {
            min-width: 100%;
        }
        .ribbon {
            position: relative;
        }
        .draw-toolbar {
            left: 8px;
            right: 8px;
            bottom: 16px;
            transform: none;
            width: auto;
            max-width: calc(100vw - 16px);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .draw-toolbar::-webkit-scrollbar {
            display: none;
        }
        @keyframes drawToolbarIn {
            from { opacity: 0; transform: translateY(12px) scale(0.95); }
            to   { opacity: 1; transform: translateY(0)    scale(1);    }
        }
    }
    @media (max-width: 480px) {
        .ribbon {
            margin: 6px;
            border-radius: 8px;
        }
        .ribbon-content {
            padding: 6px 10px;
        }
        .editor-area {
            margin: 0 6px 6px 6px;
            border-radius: 8px;
        }
        .note-title {
            font-size: 16px;
            max-width: 45%;
        }
        .sidebar {
            width: 92vw;
        }
        .draw-toolbar {
            left: 8px;
            right: 8px;
            bottom: 16px;
            transform: none;
            max-width: calc(100vw - 16px);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        @keyframes drawToolbarIn {
            from { opacity: 0; transform: translateY(12px) scale(0.95); }
            to   { opacity: 1; transform: translateY(0)    scale(1);    }
        }
    }
    .navbar.sticky-top {
        z-index: 3000 !important;
    }
    @media (max-width: 1023px) {
        .notes-app,
        .notes-header,
        .ribbon,
        .ribbon-btn,
        .sidebar,
        .sidebar-toggle,
        .sidebar-header,
        .new-note-btn,
        .note-item,
        .editor-area,
        .editor-header,
        .action-btn,
        .action-btntwo,
        .ms-dropdown-btn,
        .ms-dropdown-menu,
        .mobile-more-panel,
        .custom-context-menu,
        .welcome-btn,
        .font-family,
        .font-size,
        .delete-modal-content,
        .table-modal-content,
        .link-modal-content {
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
        }
        .ribbon                 { background: #ffffff; }
        .ribbon-content         { background: #ffffff; }
        .editor-area            { background: #f9fafb; }
        .editor-header          { background: #ffffff; }
        .ms-dropdown-menu       { background: #ffffff; }
        .mobile-more-panel      { background: #ffffff; }
        .note-item              { background: #ffffff; }
        .ribbon                 { box-shadow: 0 2px 6px rgba(0,0,0,0.08); }
        .editor-area            { box-shadow: none; }
        .note-item              { box-shadow: none !important; }
        .note-item.active       { box-shadow: 0 0 0 2px rgba(35,154,77,0.25) !important; }
        .ribbon-btn             { box-shadow: none !important; }
        .action-btn,
        .action-btntwo          { box-shadow: none !important; }
        .ms-dropdown-menu       { box-shadow: 0 4px 16px rgba(0,0,0,0.12); }
        .mobile-more-panel      { box-shadow: 0 4px 16px rgba(0,0,0,0.12); }
        .ribbon-btn,
        .action-btn,
        .action-btntwo,
        .sidebar-toggle,
        .new-note-btn,
        .mobile-more-btn,
        .ms-dropdown-btn,
        .note-item,
        .ribbon-tab {
            transition: background-color 0.15s ease, color 0.15s ease,
                        border-color 0.15s ease !important;
        }
        .sidebar {
            will-change: transform;
            transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1) !important;
            background: #ffffff !important;
            box-shadow: none;
        }
        .sidebar.mobile-open {
            box-shadow: 3px 0 20px rgba(0,0,0,0.15);
            z-index: 9999;
        }
        .sidebar-backdrop {
            background: rgba(0,0,0,0.5) !important;
        }
        .notes-list,
        .text-editor {
            transform: translateZ(0);
            -webkit-overflow-scrolling: touch;
            overscroll-behavior: contain;
        }
        .note-item:hover {
            background: #ffffff;
            transform: none;
        }
    }
    .hidden {
        display: none !important;
    }
    .sr-only {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    @keyframes pulse {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.6; }
    }
    .ms-dropdown {
        position: relative;
        display: inline-block;
    }
    .ms-dropdown-btn {
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid rgba(0, 0, 0, 0.08);
        padding: 6px 24px 6px 12px;
        cursor: pointer;
        border-radius: 6px;
        font-size: 13px;
        color: rgba(44, 62, 80, 0.8);
        transition: all 0.2s ease;
        position: relative;
        min-width: 120px;
        text-align: left;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
        font-family: 'DM Sans', sans-serif;
        display: flex;
        align-items: center;
    }
    .color-preview {
        width: 12px;
        height: 12px;
        border-radius: 2px;
        display: inline-block;
        margin-right: 6px;
        transition: all 0.2s ease;
        box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px transparent;
        position: relative;
    }
    .color-preview[data-color="#ffffff"] {
        border: 1px solid #ccc;
        box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px rgba(35, 154, 77, 0.3), 0 1px 3px rgba(35, 154, 77, 0.2);
    }
    .color-preview[data-color="#ffe4e1"] {
        border: 1px solid rgba(255, 182, 193, 0.4);
        box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px rgba(255, 182, 193, 0.4), 0 1px 3px rgba(255, 182, 193, 0.3);
    }
    .color-preview[data-color="#e6f3ff"] {
        border: 1px solid rgba(135, 206, 250, 0.4);
        box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px rgba(135, 206, 250, 0.4), 0 1px 3px rgba(135, 206, 250, 0.3);
    }
    .color-preview[data-color="#e8f5e8"] {
        border: 1px solid rgba(144, 238, 144, 0.4);
        box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px rgba(144, 238, 144, 0.4), 0 1px 3px rgba(144, 238, 144, 0.3);
    }
    .color-preview[data-color="#fff9e6"] {
        border: 1px solid rgba(255, 255, 224, 0.4);
        box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px rgba(255, 255, 224, 0.4), 0 1px 3px rgba(255, 255, 224, 0.3);
    }
    .color-preview[data-color="#f3e6ff"] {
        border: 1px solid rgba(221, 160, 221, 0.4);
        box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px rgba(221, 160, 221, 0.4), 0 1px 3px rgba(221, 160, 221, 0.3);
    }
    #noteColorDropdown .ms-dropdown-btn {
        min-width: 100px;
        justify-content: flex-start;
        padding: 12px 24px 12px 12px;
        height: 48px;
        border-radius: 8px;
        box-sizing: border-box;
    }
    #noteColorDropdown .dropdown-value {
        flex: 1;
        text-align: left;
    }
    .ms-dropdown-btn:after {
        content: '▼';
        position: absolute;
        right: 8px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 10px;
        color: rgba(44, 62, 80, 0.6);
        transition: transform 0.2s ease;
    }
    .ms-dropdown-btn:hover {
        background: rgba(255, 255, 255, 0.95);
        border-color: rgba(35, 154, 77, 0.3);
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
    }
    .ms-dropdown.active .ms-dropdown-btn:after {
        transform: translateY(-50%) rotate(180deg);
    }
    .ms-dropdown-menu {
        position: absolute;
        top: 100%;
        left: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        border: 1px solid rgba(0, 0, 0, 0.1);
        border-radius: 8px;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
        min-width: 180px;
        z-index: 10000;
        display: none;
        overflow: hidden;
        margin-top: 4px;
    }
    .ms-dropdown.active .ms-dropdown-menu {
        display: block;
        animation: dropdownFadeIn 0.2s ease;
    }
    .ms-dropdown-item {
        padding: 10px 16px;
        cursor: pointer;
        transition: all 0.15s ease;
        color: rgba(44, 62, 80, 0.8);
        font-size: 13px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        font-family: 'DM Sans', sans-serif;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .ms-dropdown-item:last-child {
        border-bottom: none;
    }
    .ms-dropdown-item:hover {
        background: rgba(35, 154, 77, 0.08);
        color: rgba(44, 62, 80, 1);
    }
    @keyframes dropdownFadeIn {
        from { opacity: 0; transform: translateY(-8px); }
        to { opacity: 1; transform: translateY(0); }
    }
    @keyframes dropdownFadeOut {
        from { opacity: 1; transform: translateY(0); }
        to { opacity: 0; transform: translateY(-8px); }
    }
    .ms-portal-closing {
        animation: dropdownFadeOut 0.15s ease forwards !important;
        pointer-events: none !important;
    }
    .fade-in {
        animation: fadeIn 0.3s ease-in-out;
    }
    .custom-context-menu {
        position: fixed;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        border: 1px solid rgba(0, 0, 0, 0.1);
        border-radius: 8px;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
        padding: 4px 0;
        min-width: 160px;
        z-index: 99999;
        display: none;
        font-family: 'DM Sans', sans-serif;
        font-size: 13px;
    }
    .context-menu-item {
        padding: 8px 16px;
        cursor: pointer;
        transition: all 0.15s ease;
        color: rgba(44, 62, 80, 0.8);
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .context-menu-item:hover {
        background: rgba(35, 154, 77, 0.08);
        color: rgba(44, 62, 80, 1);
    }
    .context-menu-separator {
        height: 1px;
        background: rgba(0, 0, 0, 0.08);
        margin: 4px 0;
    }
    .context-menu-item svg {
        opacity: 0.7;
    }
    .context-menu-item:hover svg {
        opacity: 1;
    }
    @keyframes slideInFromLeft {
        from { transform: translateX(-100%); }
        to { transform: translateX(0); }
    }
    .slide-in-left {
        animation: slideInFromLeft 0.3s ease-out;
    }
    .ribbon-btn:focus,
    .new-note-btn:focus,
    .action-btn:focus,
    .welcome-btn:focus {
        outline-offset: 0px;
    }
    .font-family:focus,
    .font-size:focus {
        outline: none;
        box-shadow: 0 0 0 2px rgba(35, 154, 77, 0.3);
        border-radius: 6px;
    }
    .note-title:focus {
        outline: none;
        box-shadow: none;
    }
    .delete-modal {
        position: fixed;
        top: 0; left: 0;
        width: 100%; height: 100%;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 100000;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    .delete-modal.show {
        opacity: 1;
        visibility: visible;
    }
    .delete-modal-content {
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        border-radius: 12px;
        padding: 24px;
        max-width: 400px;
        width: 90%;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .delete-modal-header {
        text-align: center;
        margin-bottom: 16px;
    }
    .delete-modal-icon {
        width: 48px; height: 48px;
        background: #ee5a52;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 12px;
        color: white;
        font-size: 24px;
    }
    .delete-modal-title {
        font-size: 18px;
        font-weight: 600;
        color: rgba(44, 62, 80, 0.9);
        margin: 0 0 8px 0;
        font-family: 'DM Sans', sans-serif;
    }
    .delete-modal-message {
        font-size: 14px;
        color: rgba(44, 62, 80, 0.7);
        line-height: 1.5;
        text-align: center;
        margin-bottom: 24px;
        font-family: 'DM Sans', sans-serif;
    }
    .delete-modal-actions {
        display: flex;
        gap: 12px;
        justify-content: center;
    }
    .delete-modal-btn {
        padding: 10px 24px;
        border: none;
        border-radius: 8px;
        font-size: 14px;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.2s ease;
        font-family: 'DM Sans', sans-serif;
        min-width: 100px;
    }
    .delete-modal-btn-cancel {
        background: rgba(108, 117, 125, 0.1);
        color: rgba(108, 117, 125, 0.8);
        border: 1px solid rgba(108, 117, 125, 0.2);
    }
    .delete-modal-btn-cancel:hover {
        background: rgba(108, 117, 125, 0.2);
        color: rgba(108, 117, 125, 1);
    }
    .delete-modal-btn-delete {
        background: #ee5a52;
        color: white;
        border: 1px solid rgba(238, 90, 82, 0.3);
    }
    .delete-modal-btn-delete:hover {
        background: #e53935;
        box-shadow: 0 4px 12px rgba(255, 107, 107, 0.4);
    }
    .table-modal {
        position: fixed;
        top: 0; left: 0;
        width: 100%; height: 100%;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 100000;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    .table-modal.show { opacity: 1; visibility: visible; }
    .table-modal-content {
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        border-radius: 12px;
        padding: 24px;
        max-width: 400px;
        width: 90%;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .table-modal-header { text-align: center; margin-bottom: 20px; }
    .table-modal-icon {
        width: 48px; height: 48px;
        background: #239a4d;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 12px;
        color: white;
        font-size: 24px;
    }
    .table-modal-title {
        font-size: 18px;
        font-weight: 600;
        color: rgba(44, 62, 80, 0.9);
        margin: 0;
        font-family: 'DM Sans', sans-serif;
    }
    .table-modal-body { margin-bottom: 24px; }
    .table-input-group { margin-bottom: 16px; }
    .table-input-group label {
        display: block;
        font-size: 14px;
        font-weight: 500;
        color: rgba(44, 62, 80, 0.8);
        margin-bottom: 8px;
        font-family: 'DM Sans', sans-serif;
    }
    .table-input {
        width: 100%;
        padding: 10px 12px;
        border: 1px solid rgba(0, 0, 0, 0.15);
        border-radius: 6px;
        font-size: 14px;
        background: rgba(255, 255, 255, 0.8);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        transition: all 0.2s ease;
        font-family: 'DM Sans', sans-serif;
    }
    .table-input:focus {
        outline: none;
        border-color: rgba(35, 154, 77, 0.5);
        box-shadow: 0 0 0 3px rgba(35, 154, 77, 0.1);
        background: rgba(255, 255, 255, 0.95);
    }
    .table-modal-actions {
        display: flex;
        gap: 12px;
        justify-content: center;
    }
    .table-modal-btn {
        padding: 10px 24px;
        border: none;
        border-radius: 8px;
        font-size: 14px;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.2s ease;
        font-family: 'DM Sans', sans-serif;
        min-width: 100px;
    }
    .table-modal-btn-cancel {
        background: rgba(108, 117, 125, 0.1);
        color: rgba(108, 117, 125, 0.8);
        border: 1px solid rgba(108, 117, 125, 0.2);
    }
    .table-modal-btn-cancel:hover {
        background: rgba(108, 117, 125, 0.2);
        color: rgba(108, 117, 125, 1);
    }
    .table-modal-btn-create {
        background: #239a4d;
        color: white;
        border: 1px solid rgba(30, 142, 62, 0.3);
    }
    .table-modal-btn-create:hover {
        background: #1e8e3e;
        box-shadow: 0 4px 12px rgba(35, 154, 77, 0.4);
    }
    .link-modal {
        position: fixed;
        top: 0; left: 0;
        width: 100%; height: 100%;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 100000;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    .link-modal.show { opacity: 1; visibility: visible; }
    .link-modal-content {
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        border-radius: 12px;
        padding: 24px;
        max-width: 480px;
        width: 92%;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        border: 1px solid rgba(255, 255, 255, 0.2);
        opacity: 0;
        transform: scale(1);
        transition: opacity 0.25s ease;
        will-change: opacity;
    }
    .link-modal.show .link-modal-content {
        opacity: 1;
        animation: fadeIn 0.25s ease both;
    }
    .link-modal-header { text-align: center; margin-bottom: 20px; }
    .link-modal-icon {
        width: 48px; height: 48px;
        background: #005fa3;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 12px;
        color: white;
        font-size: 24px;
    }
    .link-modal-title {
        font-size: 18px;
        font-weight: 600;
        color: rgba(44, 62, 80, 0.9);
        margin: 0;
        font-family: 'DM Sans', sans-serif;
    }
    .link-modal-body { margin-bottom: 24px; }
    .link-input-group { margin-bottom: 16px; }
    .link-input-group label {
        display: block;
        font-size: 14px;
        font-weight: 500;
        color: rgba(44, 62, 80, 0.8);
        margin-bottom: 8px;
        font-family: 'DM Sans', sans-serif;
    }
    .link-input {
        width: 100%;
        padding: 10px 12px;
        border: 1px solid rgba(0, 0, 0, 0.15);
        border-radius: 6px;
        font-size: 14px;
        background: rgba(255, 255, 255, 0.8);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        transition: all 0.2s ease;
        font-family: 'DM Sans', sans-serif;
    }
    .link-input:focus {
        outline: none;
        border-color: rgba(0, 122, 204, 0.5);
        box-shadow: 0 0 0 3px rgba(0, 122, 204, 0.1);
        background: rgba(255, 255, 255, 0.95);
    }
    .link-modal-actions {
        display: flex;
        gap: 12px;
        justify-content: center;
        flex-wrap: nowrap;
    }
    .link-modal-btn {
        padding: 10px 24px;
        border: none;
        border-radius: 8px;
        font-size: 14px;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.2s ease;
        font-family: 'DM Sans', sans-serif;
        min-width: 100px;
    }
    .link-modal-btn-cancel {
        background: rgba(108, 117, 125, 0.1);
        color: rgba(108, 117, 125, 0.8);
        border: 1px solid rgba(108, 117, 125, 0.2);
    }
    .link-modal-btn-cancel:hover {
        background: rgba(108, 117, 125, 0.2);
        color: rgba(108, 117, 125, 1);
    }
    .link-modal-btn-create {
        background: #005fa3;
        color: white;
        border: 1px solid rgba(0, 95, 163, 0.3);
    }
    .link-modal-btn-create:hover { background: #004d87; }
    .link-modal-btn-create:disabled {
        background: rgba(108, 117, 125, 0.3);
        color: rgba(108, 117, 125, 0.6);
        border: 1px solid rgba(108, 117, 125, 0.2);
        cursor: not-allowed;
    }
    .link-modal-btn-create:disabled:hover {
        background: rgba(108, 117, 125, 0.3);
    }
    .validation-feedback {
        font-size: 12px;
        font-family: 'DM Sans', sans-serif;
        margin-top: 4px;
        padding: 4px 8px;
        border-radius: 4px;
        font-weight: 500;
        display: none;
        animation: fadeIn 0.2s ease-out;
    }
    .validation-feedback.valid {
        background: rgba(35, 154, 77, 0.1);
        color: #239a4d;
        border: 1px solid rgba(35, 154, 77, 0.2);
    }
    .validation-feedback.invalid {
        background: rgba(220, 53, 69, 0.1);
        color: #dc3545;
        border: 1px solid rgba(220, 53, 69, 0.2);
    }
    .notes-list::-webkit-scrollbar,
    .text-editor::-webkit-scrollbar {
        width: 8px;
    }
    .notes-list::-webkit-scrollbar-track,
    .text-editor::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 4px;
    }
    .notes-list::-webkit-scrollbar-thumb,
    .text-editor::-webkit-scrollbar-thumb {
        background: #c1c1c1;
        border-radius: 4px;
    }
    .notes-list::-webkit-scrollbar-thumb:hover,
    .text-editor::-webkit-scrollbar-thumb:hover {
        background: #a8a8a8;
    }
    @media print {
        .notes-header,
        .ribbon,
        .sidebar,
        .editor-header {
            display: none !important;
        }
        .main-content { display: block; }
        .editor-area { width: 100% !important; }
        .text-editor {
            padding: 0 !important;
            font-size: 12pt !important;
            line-height: 1.5 !important;
        }
    }
    .todo-item {
        display: flex;
        align-items: baseline;
        gap: 6px;
        margin: 2px 0;
        padding: 1px 0;
    }
    .todo-checkbox {
        width: 16px;
        height: 16px;
        min-width: 16px;
        cursor: pointer;
        margin-top: 2px;
        accent-color: var(--primary-color, #2ecc71);
        cursor: pointer;
    }
    .todo-label {
        flex: 1;
        outline: none;
        word-break: break-word;
    }
    .todo-item:has(.todo-checkbox:checked) .todo-label {
        text-decoration: line-through;
        color: #888;
    }
    .draw-toolbar {
        display: none;
        position: fixed;
        bottom: 28px;
        left: 50%;
        transform: translateX(-50%);
        align-items: center;
        gap: 10px;
        padding: 10px 18px;
        background: #ffffff;
        border: 1px solid #e5e7eb;
        border-radius: 16px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.14), 0 2px 8px rgba(0, 0, 0, 0.07);
        z-index: 9000;
        flex-wrap: nowrap;
        white-space: nowrap;
        animation: drawToolbarIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    .draw-toolbar.visible {
        display: flex;
    }
    @keyframes drawToolbarIn {
        from { opacity: 0; transform: translateX(-50%) translateY(12px) scale(0.95); }
        to   { opacity: 1; transform: translateX(-50%) translateY(0)    scale(1);    }
    }
    .draw-toolbar-divider {
        width: 1px;
        height: 28px;
        background: #e5e7eb;
        flex-shrink: 0;
        margin: 0 2px;
    }
    .draw-tool-btn {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        padding: 6px 12px;
        border: 1px solid #e5e7eb;
        border-radius: 8px;
        background: #f9fafb;
        color: #374151;
        cursor: pointer;
        font-size: 13px;
        font-family: 'DM Sans', sans-serif;
        font-weight: 500;
        transition: background 0.15s, border-color 0.15s, color 0.15s;
        white-space: nowrap;
    }
    .draw-tool-btn:hover {
        background: #f3f4f6;
        border-color: #d1d5db;
        color: #111827;
    }
    .draw-tool-btn.active {
        background: #d1fae5;
        border-color: #2ecc71;
        color: #065f46;
    }
    .draw-clear-btn {
        color: #dc2626;
        border-color: #fecaca;
        background: #fef2f2;
    }
    .draw-clear-btn:hover {
        background: #fee2e2;
        border-color: #ef4444;
        color: #b91c1c;
    }
    .draw-done-btn {
        background: #d1fae5;
        border-color: #2ecc71;
        color: #065f46;
        font-weight: 600;
    }
    .draw-done-btn:hover {
        background: #a7f3d0;
        border-color: #10b981;
        color: #064e3b;
    }
    .draw-section-label {
        font-size: 10px;
        font-weight: 600;
        color: #9ca3af;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        display: block;
        margin-bottom: 4px;
        font-family: 'DM Sans', sans-serif;
    }
    .draw-color-section, .draw-size-section {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }
    .draw-color-section {
        overflow: hidden;
        max-width: 300px;
        transition: max-width 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
        opacity: 1;
    }
    .draw-color-section.eraser-hidden {
        max-width: 0;
        opacity: 0;
        pointer-events: none;
        padding: 0;
        gap: 0;
    }
    .draw-toolbar-divider.color-divider {
        transition: max-width 0.3s ease, opacity 0.3s ease;
        overflow: hidden;
        max-width: 10px;
        opacity: 1;
    }
    .draw-toolbar-divider.color-divider.eraser-hidden {
        max-width: 0;
        opacity: 0;
    }
    .draw-color-presets {
        display: flex;
        align-items: center;
        gap: 4px;
    }
    .draw-color-swatch {
        width: 22px;
        height: 22px;
        border-radius: 50%;
        border: 2px solid transparent;
        cursor: pointer;
        transition: transform 0.12s, border-color 0.12s;
        flex-shrink: 0;
        padding: 0;
    }
    .draw-color-swatch:hover {
        transform: scale(1.15);
    }
    .draw-color-swatch.active {
        border-color: #374151;
        transform: scale(1.15);
        box-shadow: 0 0 0 1px #fff inset;
    }
    .draw-color-custom {
        width: 22px;
        height: 22px;
        border-radius: 50%;
        border: 2px solid #e5e7eb;
        background: conic-gradient(red, yellow, lime, cyan, blue, magenta, red);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        transition: transform 0.12s;
        flex-shrink: 0;
        color: #fff;
    }
    .draw-color-custom:hover {
        transform: scale(1.15);
    }
    .draw-size-presets {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .draw-size-btn {
        width: 28px;
        height: 28px;
        border-radius: 6px;
        border: 1px solid #e5e7eb;
        background: #f9fafb;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background 0.12s, border-color 0.12s;
        color: #374151;
        padding: 0;
    }
    .draw-size-btn:hover {
        background: #f3f4f6;
        border-color: #d1d5db;
    }
    .draw-size-btn.active {
        background: #d1fae5;
        border-color: #2ecc71;
        color: #065f46;
    }
    .draw-label {
        font-size: 12px;
        color: #6b7280;
        display: flex;
        align-items: center;
        gap: 6px;
        font-family: 'DM Sans', sans-serif;
    }
    .draw-label input[type="color"] {
        width: 28px;
        height: 24px;
        border: 1px solid #e5e7eb;
        border-radius: 6px;
        cursor: pointer;
        padding: 2px;
        background: transparent;
    }
    .draw-label input[type="range"] {
        accent-color: #2ecc71;
        vertical-align: middle;
    }
    #drawingCanvas {
        display: none;
        position: absolute;
        top: 0;
        left: 0;
        pointer-events: none;
        z-index: 10;
        cursor: crosshair;
    }
    #drawingCanvas.eraser-active {
        cursor: crosshair;
    }
    #tableToolbar {
        display: none;
        position: fixed;
        z-index: 8000;
        background: #fff;
        border: 1px solid #d1d5db;
        border-radius: 6px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.15);
        padding: 4px 6px;
        gap: 3px;
        align-items: center;
        font-size: 12px;
    }
    .tbl-btn {
        background: #f3f4f6;
        border: 1px solid #d1d5db;
        border-radius: 4px;
        padding: 3px 8px;
        font-size: 11px;
        cursor: pointer;
        color: #374151;
        white-space: nowrap;
        transition: background 0.15s;
    }
    .tbl-btn:hover {
        background: #e5e7eb;
        border-color: #9ca3af;
    }
    .tbl-btn-danger {
        color: #dc2626;
        border-color: #fca5a5;
        background: #fef2f2;
    }
    .tbl-btn-danger:hover {
        background: #fee2e2;
        border-color: #f87171;
    }
    .text-editor img {
        max-width: 100%;
        height: auto;
        border-radius: 6px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        cursor: default;
        display: inline-block;
        vertical-align: middle;
        transition: box-shadow 0.15s ease, outline 0.15s ease;
    }
    .text-editor img:hover {
        box-shadow: 0 4px 16px rgba(0,0,0,0.18);
        outline: 2px solid rgba(35, 154, 77, 0.4);
        outline-offset: 2px;
    }
    .text-editor img.img-selected {
        outline: 2px solid #239a4d;
        outline-offset: 2px;
    }
    .text-editor.drag-over {
        outline: 3px dashed #239a4d;
        outline-offset: -3px;
        background: rgba(35, 154, 77, 0.04) !important;
    }
    .img-resize-wrapper {
        display: inline-block;
        position: relative;
        line-height: 0;
        user-select: none;
    }
    .img-resize-handle {
        position: absolute;
        width: 10px;
        height: 10px;
        background: #239a4d;
        border: 2px solid #fff;
        border-radius: 2px;
        cursor: se-resize;
        bottom: -5px;
        right: -5px;
        z-index: 20;
    }
    .text-editor table {
        table-layout: fixed;
        width: 100%;
        border-collapse: collapse;
        position: relative;
    }
    .col-resize-handle {
        position: absolute;
        top: 0;
        width: 4px;
        height: 100%;
        cursor: col-resize;
        background: transparent;
        z-index: 5;
        transition: background 0.15s;
    }
    .col-resize-handle:hover,
    .col-resize-handle.dragging {
        background: rgba(35, 154, 77, 0.5);
    }
    table.em-floating {
        position: absolute;
        z-index: 100;
        cursor: move;
        box-shadow: 0 8px 32px rgba(0,0,0,0.18);
        border-radius: 6px;
        border: 2px solid #239a4d;
        min-width: 120px;
    }
    table.em-floating:hover {
        box-shadow: 0 12px 40px rgba(0,0,0,0.25);
    }
    .table-drag-handle {
        display: none;
        position: absolute;
        top: -26px;
        left: 0;
        background: #239a4d;
        color: #fff;
        border-radius: 5px 5px 0 0;
        padding: 3px 8px;
        font-size: 11px;
        font-family: 'DM Sans', sans-serif;
        font-weight: 500;
        cursor: move;
        align-items: center;
        gap: 5px;
        user-select: none;
        white-space: nowrap;
        z-index: 101;
    }
    table.em-floating .table-drag-handle {
        display: flex;
    }
    #canvasDragHandle {
        display: none;
        position: absolute;
        z-index: 20;
        background: rgba(35, 154, 77, 0.9);
        color: #fff;
        border-radius: 6px;
        padding: 4px 10px;
        font-size: 11px;
        font-family: 'DM Sans', sans-serif;
        font-weight: 500;
        cursor: move;
        align-items: center;
        gap: 5px;
        user-select: none;
        white-space: nowrap;
        top: 8px;
        right: 8px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    }
    #canvasDragHandle.visible {
        display: flex;
    }
    #fontFamilyDropdown .ms-dropdown-menu {
        max-height: 320px;
        overflow-y: auto;
        min-width: 200px;
    }
    #fontColorDropdown .ms-dropdown-menu,
    #highlightColorDropdown .ms-dropdown-menu,
    #noteColorDropdown .ms-dropdown-menu {
        max-height: 240px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    #mobileFontFamilyDropdown .ms-dropdown-menu {
        max-height: 240px;
        overflow-y: auto;
    }
    #mobileFontColorDropdown .ms-dropdown-menu,
    #mobileHighlightDropdown .ms-dropdown-menu {
        max-height: 240px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
}
#superscriptBtn text {
    font-family: 'DM Sans', sans-serif;
}
    #insertImageBtn {
        position: relative;
    }
    #drawingCanvas {
        outline: none;
    }
    #drawingCanvas[style*="display: none"],
    #drawingCanvas[style*="display:none"] {
        width: 0 !important;
        height: 0 !important;
    }
    .editor-statusbar {
        display: flex;
        align-items: center;
        gap: 0;
        padding: 5px 20px;
        border-top: 1px solid #e2e8f0;
        background: #f1f5f9;
        color: #64748b;
        font-size: 12px;
        font-family: 'DM Sans', system-ui, sans-serif;
        user-select: none;
        flex-shrink: 0;
        min-height: 30px;
    }
    .editor-statusbar .statbar-item {
        white-space: nowrap;
        padding: 0 12px;
        font-weight: 500;
        letter-spacing: 0.01em;
    }
    .editor-statusbar .statbar-sep {
        color: #94a3b8;
        flex-shrink: 0;
    }
    body.no-active-note .editor-header,
    body.no-active-note .editor-content,
    body.no-active-note .editor-statusbar {
        display: none !important;
    }
    body.no-active-note .ribbon,
    body.no-active-note .ribbon * {
        pointer-events: none !important;
    }
    body.no-active-note .ribbon {
        opacity: 0 !important;
        transform: translateY(-110%) !important;
        pointer-events: none !important;
        margin: 0 !important;
        height: 0 !important;
        min-height: 0 !important;
        flex-basis: 0 !important;
        flex-shrink: 1 !important;
        overflow: hidden !important;
        padding: 0 !important;
        display: none;
    }
    .sidebar.collapsed .sidebar-header h3,
    .sidebar.collapsed .new-note-btn,
    .sidebar.collapsed .notes-list {
        transition: opacity 0s !important;
        opacity: 0 !important;
    }
    #canvasResizeHandle {
        display: none;
        position: absolute;
        z-index: 21;
        width: 14px;
        height: 14px;
        background: #239a4d;
        border: 2px solid #fff;
        border-radius: 3px;
        cursor: se-resize;
        box-shadow: 0 2px 6px rgba(0,0,0,0.18);
    }
    #canvasResizeHandle.visible { display: block; }
    #drawingCanvas { background: transparent; }
    .img-resize-wrapper.selected {
        outline: 2px solid #239a4d;
        outline-offset: 2px;
    }
    .img-resize-wrapper > img { display: block; cursor: move; }
    @media (max-width: 1400px) {
        .notes-list-display {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 900px) {
        .notes-list-display {
            grid-template-columns: 1fr;
        }
        .welcome-content {
            padding: 30px;
        }
        .welcome-header-top {
            flex-direction: column;
            text-align: center;
        }
        .welcome-header h1 {
            font-size: 28px;
        }
    }
    @media (max-width: 640px) {
        .welcome-content {
            padding: 20px;
            gap: 16px;
        }
        .welcome-header {
            gap: 16px;
        }
        .welcome-logo {
            width: 48px;
            height: 48px;
        }
        .welcome-header h1 {
            font-size: 24px;
        }
        .section-title {
            flex-direction: column;
            align-items: flex-start;
        }
        .create-note-btn {
            width: 100%;
            justify-content: center;
        }
    }