:root {
            --bg-page: #f4f6f9;
            --card-bg: #ffffff;
            --text-main: #2c3e50;
            --text-muted: #7f8c8d;
            --border-color: #e2e8f0;

            /* Panimalar Brand Palette */
            --brand-maroon: #6a040f;
            --brand-maroon-dark: #370617;
            --brand-gold: #d4af37;
            --brand-gold-light: #f9d976;

            /* UI Action Colors */
            --ui-primary: var(--brand-maroon);
            --ui-primary-hover: #9d0208;
            --ui-success: #2d6a4f;
            --ui-success-hover: #1b4332;
            --ui-danger: #c1121f;

            --font-ui: 'Montserrat', sans-serif;
            --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 15px 35px rgba(0,0,0,0.12);
            --shadow-glow: 0 8px 25px rgba(106, 4, 15, 0.25);

            --radius-md: 10px;
            --radius-lg: 16px;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }

        body {
            font-family: var(--font-ui);
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        /* Header and Layout Container Styling */
        .app-topbar {
            background: linear-gradient(135deg, var(--brand-maroon-dark) 0%, var(--brand-maroon) 100%);
            color: white;
            padding: 1.2rem 2rem;
            box-shadow: var(--shadow-md);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .topbar-content {
            max-width: 1600px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .logo-area h1 {
            font-size: 1.6rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #fff, var(--brand-gold-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 0.2rem;
        }

        .logo-area p {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.85);
            font-weight: 500;
        }

        .app-layout {
            display: flex;
            flex-direction: column;
            max-width: 1600px;
            margin: 0 auto;
            padding: 2rem 1rem;
            gap: 2.5rem;
        }

        @media (min-width: 1024px) {
            .app-layout {
                flex-direction: row;
                align-items: flex-start;
                padding: 2rem;
            }
        }

        /* Editor Panel and Glassmorphism Cards */
        .editor-panel {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            width: 100%;
            max-width: 580px;
            margin: 0 auto;
        }

        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(255,255,255,0.5);
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .card-header {
            background: linear-gradient(to right, #f8f9fa, #ffffff);
            padding: 1.2rem 1.5rem;
            border-bottom: 1px solid var(--border-color);
        }

        .card-header h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--brand-maroon);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .card-body {
            padding: 1.5rem;
        }

        /* Form Elements and Controls */
        .form-group {
            display: flex;
            flex-direction: column;
            margin-bottom: 1.2rem;
        }

        .form-group:last-child { margin-bottom: 0; }
        .form-row { display: flex; gap: 1rem; flex-wrap: wrap; }
        .form-row > .form-group { flex: 1; min-width: 180px; }

        label {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        input[type="text"], select {
            width: 100%;
            padding: 0.85rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            font-family: var(--font-ui);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            background-color: #f8fafc;
            transition: all 0.2s;
        }

        input[type="color"] {
            width: 100%;
            height: 45px;
            padding: 0.2rem;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            cursor: pointer;
        }

        input[type="text"]:focus, select:focus {
            outline: none;
            background-color: #fff;
            border-color: var(--brand-gold);
            box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.15);
        }

        .hint-text { font-size: 0.75rem; color: var(--text-muted); font-style: italic; }
        .bg-light { background-color: #f8fafc; }
        .p-3 { padding: 1rem; }
        .rounded { border-radius: var(--radius-md); }
        .divider-line { height: 1px; background: var(--border-color); width: 100%; }

        .checkbox-group {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            background: #f8fafc;
            padding: 0.8rem 1rem;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: background 0.2s;
        }
        .checkbox-group:hover { background: #f1f5f9; }
        .checkbox-group input { width: 1.2rem; height: 1.2rem; accent-color: var(--brand-maroon); cursor: pointer; }
        .checkbox-group label { margin: 0; font-weight: 600; cursor: pointer; text-transform: none; letter-spacing: normal; color: var(--text-main);}

        /* Theme & Photo Upload Styles */
        .theme-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(80px, 1fr)); gap: 0.5rem; }
        .theme-btn {
            padding: 0.8rem 0.5rem;
            border: 2px solid var(--border-color);
            border-radius: var(--radius-md);
            background-color: #fff;
            color: var(--text-main);
            font-weight: 700;
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 0.2s;
            position: relative;
            overflow: hidden;
        }
        .theme-btn::before { content: ''; display: block; width: 100%; height: 6px; background-color: var(--t-color); position: absolute; top: 0; left: 0; }
        .theme-btn:hover { background-color: #f8fafc; border-color: #cbd5e1; }
        .theme-btn.active { border-color: var(--t-color); background-color: rgba(0,0,0,0.02); box-shadow: var(--shadow-sm); }

        .upload-btn {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 100%;
            padding: 2rem 1rem;
            background: linear-gradient(to bottom, #fff, #f8fafc);
            border: 2px dashed var(--brand-gold);
            border-radius: var(--radius-md);
            color: var(--brand-maroon);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .upload-btn:hover { background: rgba(212, 175, 55, 0.05); border-color: var(--brand-maroon); }
        .upload-icon { font-size: 2rem; margin-bottom: 0.5rem; }
        .upload-text { font-weight: 800; font-size: 1rem; }
        .upload-subtext { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.3rem; }

        .badge { display: inline-block; padding: 0.3rem 0.6rem; border-radius: 20px; font-size: 0.75rem; font-weight: 700; }
        .badge-success { background: #d1fae5; color: #065f46; }

        /* Buttons and Actions */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.85rem 1.5rem;
            border: none;
            border-radius: var(--radius-md);
            font-family: var(--font-ui);
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .large-btn { padding: 1.2rem 1.5rem; font-size: 1.1rem; }
        .shadow-glow { box-shadow: var(--shadow-glow); }
        .shadow-glow:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(106, 4, 15, 0.35); }

        .btn-primary { background-color: var(--ui-primary); color: white; }
        .btn-primary:hover { background-color: var(--ui-primary-hover); }
        .btn-secondary { background-color: #334155; color: white; }
        .btn-secondary:hover { background-color: #1e293b; }
        .btn-success { background-color: var(--ui-success); color: white; }
        .btn-success:hover { background-color: var(--ui-success-hover); }
        .btn-danger { background-color: var(--ui-danger); color: white; }
        .btn-danger:hover { background-color: #9d0208; }
        .btn-outline { background-color: transparent; border: 2px solid var(--border-color); color: var(--text-main); }
        .btn-outline:hover { background-color: #f1f5f9; border-color: #cbd5e1; }
        .btn-text { background-color: transparent; padding: 0.5rem; color: var(--text-muted); font-size: 0.85rem; font-weight: 600; text-decoration: underline;}
        .btn-text:hover { color: var(--text-main); }
        .text-danger { color: var(--ui-danger) !important; }

        .full-width { width: 100%; }
        .button-group, .export-actions, .danger-actions { display: flex; gap: 1rem; width: 100%; }
        .button-group .btn, .export-actions .btn { flex: 1; }
        .danger-actions { justify-content: space-between; border-top: 1px solid var(--border-color); padding-top: 1rem; }

        /* Preview Panel & Canvas Layout */
        .preview-panel {
            flex: 1.3;
            width: 100%;
        }

        .preview-sticky-wrapper {
            position: sticky;
            top: 6rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 100%;
            max-width: 700px;
            margin: 0 auto;
        }

        .canvas-container {
            width: 100%;
            aspect-ratio: 4 / 5;
            background-color: white;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
            border: 8px solid white;
        }

        canvas#display-canvas {
            width: 100%;
            height: 100%;
            object-fit: contain;
            cursor: grab;
            touch-action: none;
            display: block;
        }

        canvas#display-canvas:active { cursor: grabbing; }

        .canvas-overlay-hint {
            position: absolute;
            bottom: 1rem;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0,0,0,0.6);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .canvas-container:hover .canvas-overlay-hint { opacity: 1; }

        .warning-banner {
            background-color: #fef2f2;
            color: #991b1b;
            padding: 1rem;
            border-radius: var(--radius-md);
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
            border: 1px solid #fecaca;
            width: 100%;
        }

        /* Utilities */
        .hidden { display: none !important; }
        .mt-1 { margin-top: 0.25rem; }
        .mt-2 { margin-top: 0.5rem; }
        .mt-3 { margin-top: 1rem; }
        .mt-4 { margin-top: 1.5rem; }
        .mb-3 { margin-bottom: 1rem; }

        /* Print Mode */
        @media print {
            body { background-color: white; padding: 0; margin: 0; }
            .app-topbar, .editor-panel, .warning-banner, .canvas-overlay-hint { display: none !important; }
            .app-layout { padding: 0; display: block; }
            .preview-panel, .preview-sticky-wrapper { position: static; max-width: none; width: 100%; }
            .canvas-container {
                border: none;
                box-shadow: none;
                width: 100vw;
                height: 100vh;
                max-width: 1080px;
                aspect-ratio: auto;
                margin: 0 auto;
            }
        }


/* =========================================
   SITE FOOTER
   ========================================= */

.site-footer {
    width: 100%;
    padding: 22px 20px;
    margin-top: 30px;
    text-align: center;
    background: rgba(0, 0, 0, 0.08);
    border-top: 1px solid rgba(106, 4, 15, 0.15);
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    line-height: 1.8;
}

.site-footer p {
    margin: 3px 0;
    color: #666;
}

.site-footer a {
    color: #6a040f;
    font-weight: 700;
    text-decoration: none;
    transition: color 0.25s ease, opacity 0.25s ease;
}

.site-footer a:hover {
    color: #d4af37;
    text-decoration: underline;
}

.site-footer p:last-child {
    font-size: 12px;
    color: #888;
}

.site-footer p:last-child a {
    color: #6a040f;
}

.site-footer p:last-child a:hover {
    color: #d4af37;
}

/* Mobile */
@media (max-width: 600px) {
    .site-footer {
        padding: 18px 15px;
        margin-top: 20px;
        font-size: 12px;
    }

    .site-footer p:last-child {
        font-size: 11px;
    }
}