/* ============================================================
   Wordpad – Microsoft Word-like Rich Text Editor
   ============================================================ */

:root {
    --wp-bg: #f3f3f3;
    --wp-surface: #ffffff;
    --wp-ribbon-bg: #2b579a;
    --wp-ribbon-tab-active: #ffffff;
    --wp-ribbon-tab-text: #d0d8f0;
    --wp-toolbar-bg: #ffffff;
    --wp-toolbar-border: #d4d4d4;
    --wp-toolbar-btn-hover: #e8e8e8;
    --wp-toolbar-btn-active: #cce4f7;
    --wp-sidebar-bg: #f8f9fa;
    --wp-sidebar-border: #dee2e6;
    --wp-sidebar-item-hover: #e9ecef;
    --wp-sidebar-item-active: #dce8f5;
    --wp-text: #1a1a1a;
    --wp-text-muted: #6c757d;
    --wp-border: #d4d4d4;
    --wp-primary: #2b579a;
    --wp-primary-light: #dce8f5;
    --wp-danger: #c0392b;
    --wp-page-bg: #e8e8e8;
    --wp-page-shadow: rgba(0,0,0,0.18);
    --wp-modal-overlay: rgba(0,0,0,0.5);
    --wp-editor-font: 'Calibri', 'Segoe UI', Arial, 'Noto Sans Devanagari', sans-serif;
    --wp-separator: #d0d0d0;
}

[data-theme="dark"] {
    --wp-bg: #1a1a2e;
    --wp-surface: #16213e;
    --wp-ribbon-bg: #1a3a6b;
    --wp-ribbon-tab-active: #16213e;
    --wp-ribbon-tab-text: #a0b4d0;
    --wp-toolbar-bg: #16213e;
    --wp-toolbar-border: #2d4a7a;
    --wp-toolbar-btn-hover: #1e2f4e;
    --wp-toolbar-btn-active: #1a3a6b;
    --wp-sidebar-bg: #0f172a;
    --wp-sidebar-border: #1e3050;
    --wp-sidebar-item-hover: #1e2f4e;
    --wp-sidebar-item-active: #1a3a6b;
    --wp-text: #e0e8f0;
    --wp-text-muted: #7a90b0;
    --wp-border: #2d4a7a;
    --wp-primary: #4a90d9;
    --wp-primary-light: #1a3a6b;
    --wp-danger: #e74c3c;
    --wp-page-bg: #0d1b2e;
    --wp-page-shadow: rgba(0,0,0,0.5);
    --wp-modal-overlay: rgba(0,0,0,0.7);
    --wp-separator: #2d4a7a;
}

/* ── Reset & Base ── */
.wordpad-root *,
.wordpad-root *::before,
.wordpad-root *::after {
    box-sizing: border-box;
}

.wordpad-root {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 60px); /* subtract navbar */
    background: var(--wp-bg);
    font-family: var(--wp-editor-font);
    color: var(--wp-text);
    overflow: hidden;
}

/* ── Ribbon (tab bar) ── */
.wp-ribbon {
    background: var(--wp-ribbon-bg);
    display: flex;
    align-items: stretch;
    padding: 0 8px;
    gap: 2px;
    flex-shrink: 0;
    border-bottom: 3px solid var(--wp-primary);
}

.wp-ribbon-tab {
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 600;
    color: var(--wp-ribbon-tab-text);
    cursor: pointer;
    border-radius: 4px 4px 0 0;
    transition: background 0.15s, color 0.15s;
    letter-spacing: 0.2px;
    border: none;
    background: transparent;
    white-space: nowrap;
}

.wp-ribbon-tab.active {
    background: var(--wp-toolbar-bg);
    color: var(--wp-primary);
}

.wp-ribbon-tab:hover:not(.active) {
    background: rgba(255,255,255,0.12);
    color: #ffffff;
}

/* ── Toolbar ── */
.wp-toolbar {
    background: var(--wp-toolbar-bg);
    border-bottom: 1px solid var(--wp-toolbar-border);
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 2px;
    padding: 4px 8px;
    flex-shrink: 0;
    scrollbar-width: none;
}

.wp-toolbar::-webkit-scrollbar { display: none; }

.wp-toolbar-group {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 0 4px;
    flex-shrink: 0;
}

.wp-toolbar-separator {
    width: 1px;
    height: 26px;
    background: var(--wp-separator);
    margin: 0 4px;
    flex-shrink: 0;
}

.wp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 3px;
    color: var(--wp-text);
    cursor: pointer;
    font-size: 13px;
    padding: 4px 7px;
    min-width: 28px;
    height: 28px;
    white-space: nowrap;
    transition: background 0.12s, border-color 0.12s;
    font-family: var(--wp-editor-font);
}

.wp-btn:hover {
    background: var(--wp-toolbar-btn-hover);
    border-color: var(--wp-border);
}

.wp-btn.active {
    background: var(--wp-toolbar-btn-active);
    border-color: var(--wp-primary);
    color: var(--wp-primary);
}

.wp-btn i { font-size: 13px; pointer-events: none; }

/* Select dropdowns in toolbar */
.wp-select {
    background: var(--wp-toolbar-bg);
    border: 1px solid var(--wp-border);
    border-radius: 3px;
    color: var(--wp-text);
    font-size: 12px;
    height: 28px;
    padding: 0 4px;
    cursor: pointer;
    outline: none;
    font-family: var(--wp-editor-font);
}

.wp-select:focus { border-color: var(--wp-primary); }

/* Color button with underline swatch */
.wp-color-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.wp-color-indicator {
    display: block;
    width: 14px;
    height: 3px;
    border-radius: 2px;
    margin-top: 2px;
    background: #e74c3c;
}

.wp-color-palette {
    display: none;
    position: fixed;
    z-index: 9999;
    background: var(--wp-toolbar-bg);
    border: 1px solid var(--wp-border);
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.18);
    min-width: 192px;
}

.wp-color-palette.open { display: block; }

.wp-palette-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--wp-text-muted);
    margin-bottom: 6px;
    font-weight: 600;
}

.wp-palette-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
}

.wp-swatch {
    width: 20px;
    height: 20px;
    border-radius: 3px;
    cursor: pointer;
    border: 1px solid rgba(0,0,0,0.1);
    transition: transform 0.1s;
}

.wp-swatch:hover { transform: scale(1.2); }

/* ── Main body: sidebar + canvas ── */
.wp-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ── Sidebar ── */
.wp-sidebar {
    width: 220px;
    background: var(--wp-sidebar-bg);
    border-right: 1px solid var(--wp-sidebar-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: transform 0.25s ease, width 0.25s ease;
    overflow: hidden;
}

.wp-sidebar.collapsed {
    width: 0;
}

.wp-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid var(--wp-sidebar-border);
    background: var(--wp-sidebar-bg);
    flex-shrink: 0;
}

.wp-sidebar-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--wp-text-muted);
}

.wp-sidebar-add-btn {
    background: var(--wp-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    flex-shrink: 0;
}

.wp-sidebar-add-btn:hover { opacity: 0.85; }

.wp-sidebar-list {
    flex: 1;
    overflow-y: auto;
    padding: 6px 0;
}

.wp-sidebar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    cursor: pointer;
    transition: background 0.12s;
    border-left: 3px solid transparent;
}

.wp-sidebar-item:hover { background: var(--wp-sidebar-item-hover); }

.wp-sidebar-item.active {
    background: var(--wp-sidebar-item-active);
    border-left-color: var(--wp-primary);
}

.wp-sidebar-item i {
    color: var(--wp-primary);
    font-size: 13px;
    flex-shrink: 0;
}

.wp-sidebar-item-name {
    flex: 1;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--wp-text);
}

.wp-sidebar-item-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.12s;
}

.wp-sidebar-item:hover .wp-sidebar-item-actions { opacity: 1; }

.wp-sidebar-item-actions button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--wp-text-muted);
    font-size: 11px;
    padding: 2px 4px;
    border-radius: 3px;
}

.wp-sidebar-item-actions button:hover { color: var(--wp-danger); }

.wp-sidebar-footer {
    padding: 10px 12px;
    border-top: 1px solid var(--wp-sidebar-border);
    display: flex;
    gap: 6px;
}

.wp-sidebar-footer .wp-btn {
    flex: 1;
    justify-content: center;
    font-size: 12px;
}

/* ── Page Canvas ── */
.wp-canvas {
    flex: 1;
    background: var(--wp-page-bg);
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

/* Word-style page */
.wp-page {
    background: var(--wp-surface);
    width: 794px; /* A4 width at 96dpi */
    min-height: 1123px; /* A4 height at 96dpi */
    box-shadow: 0 2px 12px var(--wp-page-shadow);
    border-radius: 2px;
    padding: 72px 96px; /* ~1 inch margins */
    position: relative;
    margin-bottom: 24px;
}

/* Quill editor inside the page */
.wp-page .ql-editor {
    /* height:auto prevents Quill Snow's height:100% from making the editor
       expand to the page's minHeight, which would create a minHeight↔scrollHeight
       feedback loop that adds a new page on every keystroke. */
    height: auto !important;
    min-height: 979px; /* A4 content height (1123px − 72px top − 72px bottom) */
    font-family: var(--wp-editor-font);
    font-size: 12pt;
    line-height: 1.6;
    color: var(--wp-text);
    padding: 0;
    border: none;
    outline: none;
}

.wp-page .ql-editor:focus { outline: none; }

.wp-page .ql-editor p { margin: 0 0 0.5em 0; }

.wp-page .ql-container {
    border: none !important;
    font-family: var(--wp-editor-font);
    /* Override Quill Snow's default height:100% — if left as 100% the
       container grows with .wp-page's minHeight, which makes scrollHeight
       balloon and causes a new page on every keystroke. */
    height: auto !important;
}

.wp-page .ql-toolbar { display: none; } /* We use our own toolbar */

/* View-only (shared) mode */
.wp-page.view-only .ql-editor {
    pointer-events: none;
    user-select: text;
    -webkit-user-select: text;
}

/* Word count bar */
.wp-statusbar {
    background: var(--wp-toolbar-bg);
    border-top: 1px solid var(--wp-toolbar-border);
    padding: 3px 16px;
    font-size: 11px;
    color: var(--wp-text-muted);
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}

/* ── Header bar (title + action buttons) ── */
.wp-header {
    background: var(--wp-toolbar-bg);
    border-bottom: 1px solid var(--wp-toolbar-border);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    flex-shrink: 0;
}

.wp-title-input {
    flex: 1;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--wp-text);
    font-size: 15px;
    font-weight: 600;
    padding: 4px 8px;
    outline: none;
    font-family: var(--wp-editor-font);
    min-width: 0;
    transition: border-color 0.15s;
}

.wp-title-input:hover { border-color: var(--wp-border); }
.wp-title-input:focus { border-color: var(--wp-primary); background: var(--wp-surface); }

.wp-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.wp-header-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--wp-border);
    background: var(--wp-surface);
    color: var(--wp-text);
    transition: background 0.15s;
    white-space: nowrap;
    font-family: var(--wp-editor-font);
}

.wp-header-btn:hover { background: var(--wp-toolbar-btn-hover); }

.wp-header-btn.primary {
    background: var(--wp-primary);
    color: #fff;
    border-color: var(--wp-primary);
}

.wp-header-btn.primary:hover { opacity: 0.88; }

/* Autosave badge */
.wp-autosave-badge {
    font-size: 11px;
    color: var(--wp-text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 4px;
    white-space: nowrap;
}

.wp-autosave-badge.saved { color: #27ae60; }
.wp-autosave-badge.saving { color: var(--wp-primary); }

/* ── Modals ── */
.wp-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--wp-modal-overlay);
    z-index: 9990;
    align-items: center;
    justify-content: center;
}

.wp-modal-overlay.open {
    display: flex;
}

.wp-modal {
    background: var(--wp-surface);
    border-radius: 10px;
    padding: 28px;
    width: 100%;
    max-width: 460px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
    position: relative;
    margin: 16px;
}

.wp-modal-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--wp-text);
}

.wp-modal-close {
    position: absolute;
    top: 14px;
    right: 16px;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--wp-text-muted);
    line-height: 1;
}

.wp-modal-close:hover { color: var(--wp-danger); }

.wp-form-group {
    margin-bottom: 14px;
}

.wp-form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--wp-text-muted);
}

.wp-form-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--wp-border);
    border-radius: 6px;
    font-size: 13px;
    background: var(--wp-toolbar-bg);
    color: var(--wp-text);
    outline: none;
    font-family: var(--wp-editor-font);
}

.wp-form-input:focus { border-color: var(--wp-primary); }

.wp-link-box {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.wp-link-box input {
    flex: 1;
    background: var(--wp-sidebar-bg);
    border: 1px solid var(--wp-border);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 12px;
    color: var(--wp-text);
    outline: none;
}

.wp-modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 18px;
    justify-content: flex-end;
}

.wp-modal-btn {
    padding: 8px 20px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--wp-border);
    background: var(--wp-toolbar-bg);
    color: var(--wp-text);
    font-family: var(--wp-editor-font);
    transition: background 0.15s;
}

.wp-modal-btn:hover { background: var(--wp-toolbar-btn-hover); }

.wp-modal-btn.primary {
    background: var(--wp-primary);
    color: #fff;
    border-color: var(--wp-primary);
}

.wp-modal-btn.primary:hover { opacity: 0.88; }

.wp-modal-btn.danger {
    background: var(--wp-danger);
    color: #fff;
    border-color: var(--wp-danger);
}

/* Download options grid */
.wp-download-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.wp-download-opt {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--wp-border);
    border-radius: 8px;
    cursor: pointer;
    background: var(--wp-toolbar-bg);
    transition: background 0.15s, border-color 0.15s;
    font-family: var(--wp-editor-font);
}

.wp-download-opt:hover {
    background: var(--wp-primary-light);
    border-color: var(--wp-primary);
}

.wp-download-opt i { font-size: 22px; color: var(--wp-primary); }
.wp-download-opt span { font-size: 12px; font-weight: 600; color: var(--wp-text); }
.wp-download-opt small { font-size: 10px; color: var(--wp-text-muted); }

/* Inline rename input in sidebar */
.wp-rename-input {
    width: 100%;
    border: 1px solid var(--wp-primary);
    border-radius: 3px;
    padding: 2px 6px;
    font-size: 13px;
    background: var(--wp-surface);
    color: var(--wp-text);
    outline: none;
    font-family: var(--wp-editor-font);
}

/* Toggle sidebar button */
.wp-sidebar-toggle {
    background: none;
    border: none;
    color: var(--wp-text);
    cursor: pointer;
    font-size: 16px;
    padding: 4px 6px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wp-sidebar-toggle:hover { background: var(--wp-toolbar-btn-hover); }

/* Notification toast */
.wp-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: #222;
    color: #fff;
    padding: 10px 22px;
    border-radius: 24px;
    font-size: 13px;
    font-family: var(--wp-editor-font);
    z-index: 99999;
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    pointer-events: none;
    white-space: nowrap;
}

.wp-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Image insert preview */
.wp-img-preview {
    max-width: 100%;
    max-height: 140px;
    border-radius: 6px;
    border: 1px solid var(--wp-border);
    margin-top: 8px;
    display: none;
}

/* ── Responsive ── */
@media (max-width: 900px) {
    .wp-page {
        width: 100%;
        min-height: auto;
        padding: 32px 24px;
    }

    .wp-page .ql-editor { min-height: 70vh; }

    .wp-sidebar {
        position: fixed;
        left: 0;
        top: 60px;
        bottom: 0;
        z-index: 500;
        transform: translateX(-100%);
        box-shadow: 4px 0 20px rgba(0,0,0,0.2);
    }

    .wp-sidebar.mobile-open {
        transform: translateX(0);
    }

    .wp-canvas { padding: 12px 6px; }
    .wp-ribbon-tab { padding: 8px 10px; font-size: 12px; }
}

@media (max-width: 600px) {
    .wp-header-btn span { display: none; }
    .wp-header-btn { padding: 5px 8px; }
    .wp-title-input { font-size: 13px; }
    .wp-autosave-badge { display: none; }
}

/* ── Page Break Lines ── */
.wp-page-break {
    position: absolute;
    left: 0;
    right: 0;
    height: 0;
    border-top: 2px dashed #c0c0c0;
    pointer-events: none;
    z-index: 5;
}

[data-theme="dark"] .wp-page-break {
    border-top-color: #3a5070;
}

.wp-page-break::before {
    content: '— Page ' attr(data-page-num) ' —';
    position: absolute;
    right: 12px;
    top: -11px;
    background: var(--wp-surface);
    padding: 0 8px;
    font-size: 10px;
    color: #aaa;
    font-family: sans-serif;
    letter-spacing: 0.3px;
}

/* ── Image Resizer Overlay ── */
.wp-img-resizer {
    position: absolute;
    pointer-events: none;
    z-index: 50;
    box-shadow: 0 0 0 2px var(--wp-primary);
}

.wp-resize-handle {
    position: absolute;
    width: 9px;
    height: 9px;
    background: var(--wp-primary);
    border: 1.5px solid #fff;
    border-radius: 2px;
    pointer-events: all;
    z-index: 51;
}

/* Corner handles */
.wp-resize-nw { top: -5px;  left: -5px;  cursor: nw-resize; }
.wp-resize-ne { top: -5px;  right: -5px; cursor: ne-resize; }
.wp-resize-se { bottom: -5px; right: -5px; cursor: se-resize; }
.wp-resize-sw { bottom: -5px; left: -5px;  cursor: sw-resize; }

/* Edge handles */
.wp-resize-n  { top: -5px;    left: 50%; transform: translateX(-50%); cursor: n-resize; }
.wp-resize-s  { bottom: -5px; left: 50%; transform: translateX(-50%); cursor: s-resize; }
.wp-resize-e  { top: 50%; right: -5px;   transform: translateY(-50%); cursor: e-resize; }
.wp-resize-w  { top: 50%; left: -5px;    transform: translateY(-50%); cursor: w-resize; }

/* Image align & delete toolbar */
.wp-img-align-bar {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--wp-toolbar-bg);
    border: 1px solid var(--wp-border);
    border-radius: 6px;
    padding: 3px 5px;
    display: flex;
    gap: 2px;
    align-items: center;
    box-shadow: 0 3px 12px rgba(0,0,0,0.18);
    pointer-events: all;
    white-space: nowrap;
}

.wp-img-align-bar button {
    background: none;
    border: 1px solid transparent;
    border-radius: 3px;
    padding: 3px 8px;
    cursor: pointer;
    color: var(--wp-text);
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 3px;
    font-family: var(--wp-editor-font);
}

.wp-img-align-bar button:hover {
    background: var(--wp-toolbar-btn-hover);
    border-color: var(--wp-border);
}

/* Transparent click target while dragging to prevent iframe / image cursor issues */
.wp-resize-cover {
    position: fixed;
    inset: 0;
    z-index: 999;
    cursor: inherit;
}

/* ── Page Border range slider ── */
.wp-range-input {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    appearance: none;
    -webkit-appearance: none;
    background: var(--wp-border);
    outline: none;
    cursor: pointer;
    accent-color: var(--wp-primary);
}

.wp-range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--wp-primary);
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.wp-range-input::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--wp-primary);
    cursor: pointer;
    border: 2px solid #fff;
}

/* ── Mobile sidebar backdrop ── */
.wp-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 499;
    background: rgba(0, 0, 0, 0.45);
    cursor: pointer;
}

.wp-sidebar-backdrop.active {
    display: block;
}

/* ── Print / PDF export ── */
@media print {
    .wordpad-root > *:not(.wp-print-area) { display: none !important; }
    .wp-print-area {
        display: block !important;
        font-family: 'Calibri', Arial, 'Noto Sans Devanagari', sans-serif;
        font-size: 12pt;
        line-height: 1.6;
        color: #000;
        padding: 0;
        margin: 0;
    }
}