/* ==========================================================================
   Docuvate - InkScribe Text to Handwriting Studio Stylesheet
   ========================================================================== */

:root {
    --bg-dark: #0f172a;
    --panel-bg: #1e293b;
    --panel-card: #283548;
    --border: #334155;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --input-bg: #0f172a;
    --workspace-bg: #0b1120;
    --header-gradient: linear-gradient(135deg, #1e293b, #111827);
}

body.light-mode {
    --bg-dark: #f1f5f9;
    --panel-bg: #ffffff;
    --panel-card: #f8fafc;
    --border: #e2e8f0;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --input-bg: #ffffff;
    --workspace-bg: #e2e8f0;
    --header-gradient: linear-gradient(135deg, #ffffff, #f1f5f9);
}

/* Overall Studio Container */
.inkscribe-layout {
    display: flex;
    height: calc(100vh - 105px);
    background: var(--workspace-bg);
    color: var(--text-main);
    overflow: hidden;
    position: relative;
    transition: background-color 0.3s, color 0.3s;
}

@media (max-width: 768px) {
    .inkscribe-layout {
        flex-direction: column;
        height: auto;
        overflow: visible;
    }
}

/* Sidebar UI - Premium Design */
.sidebar { 
    width: 340px; 
    background: var(--panel-bg); 
    display: flex; 
    flex-direction: column; 
    border-right: 1px solid var(--border); 
    box-shadow: 2px 0 20px rgba(0,0,0,0.1); 
    z-index: 10; 
    flex-shrink: 0;
    transition: background-color 0.3s, border-color 0.3s; 
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}

.sidebar-header { 
    padding: 1.25rem 1.5rem; 
    background: var(--header-gradient); 
    border-bottom: 1px solid var(--border); 
}

.header-top { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 4px; 
}

.sidebar-header h2 { 
    font-size: 1.35rem; 
    font-weight: 800; 
    color: var(--text-main); 
    display: flex; 
    align-items: center; 
    gap: 8px; 
    letter-spacing: -0.5px; 
}

.sidebar-header h2 span { 
    font-size: 0.6rem; 
    background: linear-gradient(135deg, var(--accent), #8b5cf6); 
    padding: 3px 8px; 
    border-radius: 20px; 
    color: white; 
    letter-spacing: 1px; 
    text-transform: uppercase; 
}

.sidebar-header p { 
    font-size: 0.75rem; 
    color: var(--text-muted); 
    font-weight: 500; 
}

.theme-btn { 
    background: var(--panel-card); 
    border: 1px solid var(--border); 
    color: var(--text-main); 
    padding: 6px; 
    border-radius: 8px; 
    cursor: pointer; 
    font-size: 1.1rem; 
    transition: all 0.2s; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
}

.theme-btn:hover { 
    border-color: var(--accent); 
    transform: scale(1.05); 
}

/* Settings Container */
.settings-container { 
    padding: 1.25rem; 
    overflow-y: auto; 
    flex: 1; 
    display: flex; 
    flex-direction: column; 
    gap: 1.25rem; 
}

.settings-container::-webkit-scrollbar { width: 5px; }
.settings-container::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }

/* Section Title */
.section-title { 
    font-size: 0.7rem; 
    text-transform: uppercase; 
    letter-spacing: 0.12em; 
    color: var(--accent); 
    margin-bottom: 0.6rem; 
    font-weight: 700; 
    display: flex; 
    align-items: center; 
    gap: 8px; 
}

.section-title::after { 
    content: ""; 
    flex: 1; 
    height: 1px; 
    background: var(--border); 
}

.tool-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 10px; 
    background: var(--panel-card); 
    padding: 0.85rem; 
    border-radius: 12px; 
    border: 1px solid var(--border); 
    transition: all 0.3s; 
}

.control-group { 
    display: flex; 
    flex-direction: column; 
    gap: 4px; 
}

.control-group.full { 
    grid-column: 1 / -1; 
}

.settings-container label { 
    font-size: 0.65rem; 
    color: var(--text-muted); 
    font-weight: 600; 
    white-space: nowrap; 
    text-transform: capitalize; 
}

/* Sleek Inputs */
.settings-container select, 
.settings-container input { 
    background: var(--input-bg); 
    color: var(--text-main); 
    border: 1px solid var(--border); 
    padding: 0.5rem 0.6rem; 
    border-radius: 6px; 
    font-size: 0.75rem; 
    outline: none; 
    transition: all 0.2s; 
    font-family: inherit; 
    width: 100%; 
}

.settings-container select:focus, 
.settings-container input:focus { 
    border-color: var(--accent); 
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2); 
}

.settings-container input[type="color"] { 
    padding: 2px; 
    height: 32px; 
    cursor: pointer; 
}

.settings-container input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.settings-container input[type="color"]::-webkit-color-swatch { border: none; border-radius: 4px; }

.settings-container input[type="file"] { 
    padding: 0.4rem; 
    background: var(--input-bg); 
    border: 1px dashed var(--accent); 
    font-size: 0.7rem; 
    color: var(--text-muted); 
}

/* Premium Buttons */
.btn { 
    padding: 0.65rem; 
    border-radius: 6px; 
    font-size: 0.75rem; 
    font-weight: 700; 
    cursor: pointer; 
    text-align: center; 
    transition: all 0.2s; 
    border: 1px solid transparent; 
    text-transform: uppercase; 
    letter-spacing: 0.5px; 
}

.btn-primary { 
    background: linear-gradient(135deg, var(--accent), #8b5cf6); 
    color: white; 
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.25); 
}

.btn-primary:hover { 
    transform: translateY(-1px); 
    box-shadow: 0 6px 12px rgba(99, 102, 241, 0.35); 
}

.btn-outline { 
    background: transparent; 
    border-color: var(--border); 
    color: var(--text-muted); 
}

.btn-outline:hover { 
    background: var(--panel-card); 
    color: var(--text-main); 
    border-color: var(--text-muted); 
}

.sidebar-footer { 
    padding: 1rem; 
    border-top: 1px solid var(--border); 
    text-align: center; 
}

.sidebar-footer p { 
    font-size: 0.7rem; 
    color: var(--text-muted); 
}

.sidebar-footer span { 
    font-weight: 700; 
    color: var(--accent); 
}

/* Workspace & Canvas */
.workspace { 
    flex: 1; 
    display: flex; 
    flex-direction: column; 
    overflow: hidden; 
    position: relative; 
    background: var(--workspace-bg); 
}

/* Pagination Bar */
.pagination-bar { 
    background: var(--panel-bg); 
    padding: 0.75rem 1.5rem; 
    border-bottom: 1px solid var(--border); 
    display: flex; 
    gap: 10px; 
    overflow-x: auto; 
    align-items: center; 
    z-index: 5; 
}

.pagination-bar::-webkit-scrollbar { height: 4px; }
.pagination-bar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.page-btn { 
    background: var(--panel-card); 
    color: var(--text-muted); 
    border: 1px solid var(--border); 
    padding: 0.4rem 0.85rem; 
    border-radius: 20px; 
    font-size: 0.7rem; 
    font-weight: 600; 
    cursor: pointer; 
    transition: all 0.2s; 
    white-space: nowrap; 
}

.page-btn:hover { 
    background: var(--border); 
    color: var(--text-main); 
}

.page-btn.active { 
    background: var(--accent); 
    color: white; 
    border-color: var(--accent); 
}

/* Canvas Area */
.main-canvas { 
    flex: 1; 
    padding: 2rem; 
    overflow-y: auto; 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    gap: 40px; 
}

.main-canvas::-webkit-scrollbar { width: 8px; }
.main-canvas::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }

/* Paper Styling */
.page { 
    background-color: var(--paper-bg, white); 
    color: #333; 
    position: relative; 
    overflow: hidden; 
    overflow-wrap: break-word; 
    outline: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
    flex-shrink: 0;
    transform: scale(0.85);
    transform-origin: top center;
    margin-bottom: calc(-0.15 * var(--page-h, 297mm));
    border-radius: 2px;
}

.page-content { 
    width: 100%; 
    height: 100%; 
    outline: none; 
    z-index: 2; 
    position: relative; 
    overflow: hidden; 
    word-break: break-word; 
}

/* Page Controls */
.page-container { 
    position: relative; 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
}

.delete-page-btn { 
    position: absolute; 
    right: -50px; 
    top: 20px; 
    background: #ef4444; 
    color: white; 
    border: none; 
    padding: 8px 12px; 
    border-radius: 8px; 
    cursor: pointer; 
    font-size: 0.75rem; 
    font-weight: 700; 
    opacity: 0; 
    transition: all 0.3s; 
    z-index: 5; 
    box-shadow: 0 4px 10px rgba(239, 68, 68, 0.3); 
}

.page-container:hover .delete-page-btn { 
    opacity: 1; 
    right: -40px; 
}

.delete-page-btn:hover { 
    background: #dc2626; 
    transform: scale(1.1); 
}

/* Processing Overlay */
.processing-overlay { 
    position: fixed; 
    inset: 0; 
    background: rgba(15, 23, 42, 0.9); 
    backdrop-filter: blur(8px); 
    z-index: 10000; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    text-align: center; 
    color: white; 
}

.processing-content h3 { 
    font-size: 1.5rem; 
    margin-bottom: 0.5rem; 
    background: linear-gradient(135deg, var(--accent), #8b5cf6); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
}

.processing-content p { 
    color: var(--text-muted); 
    font-size: 0.9rem; 
}

.funny-anim { 
    display: flex; 
    gap: 20px; 
    justify-content: center; 
    margin-bottom: 2rem; 
}

.funny-anim .emoji { 
    font-size: 3rem; 
    animation: bounce 1.5s infinite ease-in-out; 
}

.funny-anim .emoji:nth-child(2) { animation-delay: 0.2s; }
.funny-anim .emoji:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(20deg); }
}

/* Authentic Margins via CSS variables set by JS */
.page::before {
    content: ""; 
    position: absolute; 
    left: var(--margin-left, 30mm); 
    top: 0; 
    bottom: 0;
    border-left: var(--margin-width, 1px) var(--margin-style, solid) var(--margin-color, #ffb6c1);
    z-index: 1; 
    pointer-events: none;
}

.page::after {
    content: ""; 
    position: absolute; 
    top: var(--margin-top, 30mm); 
    left: 0; 
    right: 0;
    border-top: var(--margin-width, 2px) var(--margin-style, solid) var(--margin-color, #ffb6c1);
    z-index: 1; 
    pointer-events: none;
}

.page-number-watermark {
    position: absolute; 
    bottom: 8mm; 
    right: 12mm; 
    font-size: 0.8rem; 
    color: rgba(0,0,0,0.25); 
    font-family: 'Inter', sans-serif; 
    font-weight: 600; 
    user-select: none; 
    pointer-events: none; 
}

.footer-link { 
    background: none; 
    border: none; 
    color: var(--accent); 
    font-size: 0.65rem; 
    text-decoration: underline; 
    cursor: pointer; 
    margin-top: 5px; 
    font-weight: 600; 
}

.footer-link:hover { color: var(--accent-hover); }

/* Modal Styles */
.modal { 
    position: fixed; 
    inset: 0; 
    background: rgba(0,0,0,0.7); 
    backdrop-filter: blur(5px); 
    z-index: 2000; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    padding: 20px; 
}

.modal-content { 
    background: var(--panel-bg); 
    border: 1px solid var(--border); 
    border-radius: 16px; 
    width: 100%; 
    max-width: 500px; 
    max-height: 80vh; 
    overflow-y: auto; 
    box-shadow: 0 20px 50px rgba(0,0,0,0.5); 
    display: flex; 
    flex-direction: column; 
}

.modal-header { 
    padding: 1.25rem; 
    border-bottom: 1px solid var(--border); 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    position: sticky; 
    top: 0; 
    background: var(--panel-bg); 
    z-index: 1; 
}

.modal-header h2 { font-size: 1.1rem; color: var(--text-main); }
.modal-body { padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; color: var(--text-muted); font-size: 0.85rem; line-height: 1.5; }
.modal-body h3 { font-size: 0.95rem; color: var(--accent); margin-bottom: -5px; }
.modal-body a { color: var(--accent); }

/* AI Writer Widget */
.ai-widget { 
    position: absolute; 
    top: 125px; 
    right: 20px; 
    width: 340px; 
    max-width: calc(100vw - 48px); 
    background: var(--panel-bg); 
    border: 1px solid var(--border); 
    border-radius: 16px; 
    box-shadow: 0 10px 40px rgba(0,0,0,0.3); 
    z-index: 1000; 
    overflow: hidden; 
    display: flex; 
    flex-direction: column; 
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1); 
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-15px); }
    to { opacity: 1; transform: translateY(0); }
}

.ai-widget-header { 
    padding: 12px 16px; 
    background: var(--header-gradient); 
    border-bottom: 1px solid var(--border); 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
}

.ai-widget-header span { 
    font-size: 0.85rem; 
    font-weight: 700; 
    color: var(--accent); 
}

.ai-widget-body { 
    padding: 16px; 
    display: flex; 
    flex-direction: column; 
    gap: 12px; 
}

.ai-widget-body textarea { 
    width: 100%; 
    height: 100px; 
    background: var(--input-bg); 
    color: var(--text-main); 
    border: 1px solid var(--border); 
    border-radius: 8px; 
    padding: 10px; 
    font-size: 0.8rem; 
    resize: none; 
    outline: none; 
}

.ai-widget-body textarea:focus { border-color: var(--accent); }
.ai-controls { display: flex; gap: 8px; }
.ai-controls select { flex: 1; height: 36px; padding: 0 8px; }
.ai-controls button { flex: 2; height: 36px; padding: 0; font-size: 0.7rem; }

.ai-toggle-btn { 
    position: absolute; 
    top: 65px; 
    right: 20px; 
    width: 50px; 
    height: 50px; 
    border-radius: 50%; 
    background: linear-gradient(135deg, var(--accent), #8b5cf6); 
    border: none; 
    color: white; 
    font-size: 1.5rem; 
    cursor: pointer; 
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4); 
    z-index: 999; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    transition: all 0.3s; 
}

.ai-toggle-btn:hover { transform: scale(1.1) rotate(15deg); }

.close-btn { 
    background: transparent; 
    border: none; 
    color: var(--text-muted); 
    cursor: pointer; 
    font-size: 1.2rem; 
}

.close-btn:hover { color: var(--text-main); }

/* Context Menu */
.context-menu { 
    position: absolute; 
    background: var(--panel-bg); 
    border: 1px solid var(--border); 
    box-shadow: 0 10px 25px rgba(0,0,0,0.2); 
    border-radius: 10px; 
    z-index: 1000; 
    display: flex; 
    flex-direction: column; 
    gap: 8px; 
    padding: 12px; 
    min-width: 260px; 
}

.menu-row { display: flex; gap: 8px; width: 100%; align-items: center; }
.ctx-group { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.ctx-group label { font-size: 0.6rem; text-transform: uppercase; color: var(--text-muted); }
.ctx-select { background: var(--input-bg); color: var(--text-main); border: 1px solid var(--border); padding: 4px; border-radius: 4px; font-size: 0.75rem; width: 100%; }
.cmd-btn { background: var(--panel-card); color: var(--text-main); border: 1px solid var(--border); padding: 8px 10px; cursor: pointer; border-radius: 6px; font-size: 0.7rem; flex: 1; text-align: center; transition: all 0.2s; font-family: 'Inter', sans-serif; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.cmd-btn:hover { background: var(--accent); color: white; border-color: var(--accent); transform: translateY(-1px); }
.ctx-input { height: 32px; padding: 2px; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; background: var(--input-bg); width: 100%; }