/* RC GEN PRO v8.1 - PRINT ENGINE
   Phase 3: Template Studio "Heart Transplant"
   Logic: Top-Bar Controls, Premium Skins, Dynamic A4 Rendering
*/

/* =========================================
   1. STUDIO LAYOUT (Screen Mode)
   ========================================= */
.print-studio-layout {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 120px); /* Fill remaining space */
    background: #525659; /* Standard Grey Background */
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

/* NEW: Horizontal Top Toolbar */
.print-toolbar-top {
    height: 60px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    flex-shrink: 0;
    z-index: 10;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.pt-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

.pt-group label {
    font-family: var(--font-tech);
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    text-transform: uppercase;
    font-weight: 700;
}

.pt-group select.compact {
    height: 32px;
    font-size: 13px;
    padding: 0 30px 0 10px;
    min-width: 150px;
}

.pt-group.toggles {
    border-left: 1px solid var(--border-color);
    padding-left: 20px;
    margin-left: 10px;
}

.pt-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.chk-label {
    cursor: pointer;
    user-select: none;
}

.chk-label input {
    margin-right: 5px;
    accent-color: var(--primary);
}

/* Preview Area */
.print-preview-area {
    flex: 1;
    overflow: auto;
    padding: 40px;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Start from top */
}

#print-preview-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    width: 100%;
    align-items: center;
    flex-wrap: nowrap;
}

#print-preview-container .report-sheet {
    flex-shrink: 0;
}

/* =========================================
   2. THE DIGITAL A4 SHEET (Base)
   ========================================= */
.report-sheet {
    width: 210mm;
    min-height: 297mm; /* A4 Height */
    background: white;
    padding: 15mm; /* Standard Margin */
    box-shadow: 0 15px 40px rgba(0,0,0,0.3); /* Lifted Effect */
    position: relative;
    color: #000;
    box-sizing: border-box;
    transform-origin: top center;
    /* Typography defaults */
    font-family: 'Inter', sans-serif;
}

/* Scale down on smaller screens — no overlap: use gap, avoid negative margins */
@media (max-width: 1200px) {
    .report-sheet { transform: scale(0.85); }
    #print-preview-container { gap: 24px !important; }
}

/* Internal Structure */
.sheet-border-frame {
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid transparent; /* Placeholder for themes */
}

/* Header */
.sheet-head {
    display: flex;
    gap: 20px;
    margin-bottom: 5mm;
    padding-bottom: 5mm;
    border-bottom: 2px solid #000;
}

.logo-area {
    width: 25mm; height: 25mm;
    display: flex; align-items: center; justify-content: center;
}
.val-logo { max-width: 100%; max-height: 100%; object-fit: contain; }

.school-text { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.val-school { font-size: 26pt; font-weight: 900; line-height: 1; margin: 0 0 5px 0; text-transform: uppercase; }
.val-address { font-size: 10pt; color: #444; margin: 0; }
.val-aff { font-size: 10pt; color: #666; font-weight: 600; }

/* Exam Title */
.exam-stripe {
    text-align: center;
    padding: 2mm 0;
    margin-bottom: 8mm;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.val-exam { font-size: 16pt; font-weight: 700; text-transform: uppercase; margin: 0; }
.val-session { font-size: 12pt; font-weight: 500; color: #555; }

/* Student Grid */
.std-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 15mm;
    row-gap: 2mm;
    margin-bottom: 8mm;
    font-size: 11pt;
}
.info-row { display: flex; border-bottom: 1px dotted #ccc; padding-bottom: 1mm; }
.info-row .lbl { font-weight: 700; width: 35mm; color: #333; }
.info-row .val { font-weight: 500; color: #000; }
.info-row.highlight { background: #f0f0f0; padding-left: 5px; border-bottom: 1px solid #999; }

/* Marks Table */
.marks-table { width: 100%; border-collapse: collapse; margin-bottom: 10mm; font-size: 11pt; }
.marks-table th, .marks-table td { border: 1px solid #ddd; padding: 3mm 4mm; text-align: center; }
.marks-table th { background: #f9f9f9; font-weight: 700; text-transform: uppercase; color: #333; }
.marks-table .text-left { text-align: left; }
.marks-table .val-grade { font-weight: 700; }

.tf-total, .tf-pct { background: #f0f0f0; font-weight: 700; }

/* Footer */
.sheet-foot { margin-top: auto; padding-top: 10mm; }

.remarks-box {
    border: 1px solid #ccc;
    background: #fafafa;
    padding: 4mm;
    min-height: 15mm;
    margin-bottom: 20mm;
    font-size: 11pt;
}

.sig-area { display: flex; justify-content: space-between; padding: 0 5mm; }
.sig-box {
    border-top: 1px solid #000;
    width: 45mm;
    text-align: center;
    padding-top: 2mm;
    font-size: 10pt;
    font-weight: 600;
    color: #444;
}

/* Meta & Watermark */
.sheet-meta { position: absolute; font-size: 8pt; font-family: monospace; color: #999; }
.header-meta { top: 10mm; right: 15mm; }
.footer-meta { bottom: 10mm; left: 15mm; }

.sheet-watermark {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    font-size: 70pt;
    font-weight: 900;
    color: rgba(0,0,0,0.03);
    z-index: 0;
    pointer-events: none;
    white-space: nowrap;
    text-transform: uppercase;
}

/* =========================================
   3. PREMIUM THEMES (The Upgrade)
   ========================================= */

/* --- A. MODERN (Silicon Valley) ---
   Clean, Blue, Sans-Serif, Minimal Borders */
.theme-modern .sheet-head { border-bottom: 2px solid #2563EB; }
.theme-modern .val-school { color: #1E3A8A; font-family: 'Inter', sans-serif; letter-spacing: -1px; }
.theme-modern .exam-stripe { background: #EFF6FF; border-color: #BFDBFE; color: #1E40AF; }
.theme-modern .marks-table th { background: #DBEAFE; color: #1E3A8A; border-color: #BFDBFE; }
.theme-modern .marks-table td { border-color: #E5E7EB; }
.theme-modern .info-row.highlight { background: #EFF6FF; border-bottom-color: #2563EB; }
.theme-modern .sheet-watermark { color: rgba(37, 99, 235, 0.03); }

/* --- B. CLASSIC (Government Official) ---
   Times New Roman, Double Borders, Serious Look */
.theme-classic .sheet-border-frame { border: 3px double #000; padding: 5mm; }
.theme-classic .val-school { font-family: 'Times New Roman', serif; text-decoration: underline; text-align: center; }
.theme-classic .sheet-head { flex-direction: column; align-items: center; text-align: center; border-bottom: 1px solid #000; }
.theme-classic .exam-stripe { border-top: 2px solid #000; border-bottom: 2px solid #000; background: #fff; }
.theme-classic .marks-table th { background: #fff; border: 2px solid #000; }
.theme-classic .marks-table td { border: 1px solid #000; }
.theme-classic .std-info-grid { font-family: 'Times New Roman', serif; }

/* --- C. GOLD (Private Elite) ---
   Playfair Font, Gold/Bronze Colors, Elegant */
.theme-gold .sheet-border-frame { border: 1px solid #B45309; padding: 5mm; position: relative; }
.theme-gold .sheet-border-frame::after {
    content: ''; position: absolute; top: 2mm; left: 2mm; right: 2mm; bottom: 2mm;
    border: 1px solid #B45309; pointer-events: none;
}
.theme-gold .val-school { font-family: 'Playfair Display', serif; color: #78350F; text-align: center; font-size: 32pt; }
.theme-gold .sheet-head { border-bottom: none; flex-direction: column; align-items: center; }
.theme-gold .exam-stripe { background: #FFFBEB; border: 1px solid #B45309; color: #92400E; margin-top: 5mm; }
.theme-gold .marks-table th { background: #FEF3C7; border-color: #D97706; color: #78350F; font-family: 'Playfair Display', serif; }
.theme-gold .marks-table td { border-color: #FCD34D; }
.theme-gold .sheet-watermark { color: rgba(180, 83, 9, 0.05); font-family: 'Playfair Display', serif; }

/* --- D. PREMIUM SLATE (Professional Grey) --- */
.theme-premium-slate .sheet-border-frame { border: 1px solid #475569; padding: 6mm; background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); }
.theme-premium-slate .sheet-head { border-bottom: 3px solid #334155; }
.theme-premium-slate .val-school { color: #1e293b; font-family: 'Inter', sans-serif; font-weight: 800; letter-spacing: -0.5px; }
.theme-premium-slate .exam-stripe { background: #334155; color: #fff; border: none; padding: 3mm 5mm; }
.theme-premium-slate .val-exam { color: #fff; }
.theme-premium-slate .val-session { color: #cbd5e1; }
.theme-premium-slate .marks-table th { background: #64748b; color: #fff; border-color: #475569; }
.theme-premium-slate .marks-table td { border-color: #e2e8f0; }
.theme-premium-slate .info-row.highlight { background: #f1f5f9; border-bottom-color: #64748b; }
.theme-premium-slate .sheet-watermark { color: rgba(100, 116, 139, 0.06); }
.theme-premium-slate .tf-total, .theme-premium-slate .tf-pct { background: #e2e8f0; }

/* --- E. PREMIUM EMERALD (Fresh Institutional) --- */
.theme-premium-emerald .sheet-border-frame { border: 2px solid #059669; padding: 6mm; }
.theme-premium-emerald .sheet-head { border-bottom: 2px solid #059669; }
.theme-premium-emerald .val-school { color: #065f46; font-family: 'Inter', sans-serif; font-weight: 800; }
.theme-premium-emerald .val-address, .theme-premium-emerald .val-aff { color: #047857; }
.theme-premium-emerald .exam-stripe { background: linear-gradient(90deg, #059669, #10b981); color: #fff; border: none; padding: 3mm 5mm; }
.theme-premium-emerald .val-exam, .theme-premium-emerald .val-session { color: #fff; }
.theme-premium-emerald .marks-table th { background: #d1fae5; color: #065f46; border-color: #a7f3d0; }
.theme-premium-emerald .marks-table td { border-color: #a7f3d0; }
.theme-premium-emerald .info-row.highlight { background: #ecfdf5; border-bottom-color: #059669; }
.theme-premium-emerald .sheet-watermark { color: rgba(5, 150, 105, 0.05); }
.theme-premium-emerald .tf-total, .theme-premium-emerald .tf-pct { background: #d1fae5; }

/* --- F. PREMIUM MIDNIGHT (Dark Formal) --- */
.theme-premium-midnight .sheet-border-frame { border: 1px solid #1e293b; padding: 6mm; background: #0f172a; color: #e2e8f0; }
.theme-premium-midnight .sheet-head { border-bottom: 2px solid #3b82f6; }
.theme-premium-midnight .val-school { color: #f8fafc; font-family: 'Inter', sans-serif; font-weight: 800; }
.theme-premium-midnight .val-address, .theme-premium-midnight .val-aff { color: #94a3b8; }
.theme-premium-midnight .exam-stripe { background: #1e3a8a; color: #93c5fd; border: none; padding: 3mm 5mm; }
.theme-premium-midnight .val-exam { color: #fff; }
.theme-premium-midnight .val-session { color: #93c5fd; }
.theme-premium-midnight .std-info-grid .lbl { color: #94a3b8; }
.theme-premium-midnight .std-info-grid .val { color: #e2e8f0; }
.theme-premium-midnight .info-row.highlight { background: #1e293b; border-bottom-color: #3b82f6; }
.theme-premium-midnight .marks-table th { background: #1e3a8a; color: #e2e8f0; border-color: #334155; }
.theme-premium-midnight .marks-table td { border-color: #334155; color: #e2e8f0; }
.theme-premium-midnight .sheet-watermark { color: rgba(59, 130, 246, 0.08); }
.theme-premium-midnight .tf-total, .theme-premium-midnight .tf-pct { background: #1e293b; color: #e2e8f0; }
.theme-premium-midnight .remarks-box { background: #1e293b; border-color: #334155; color: #e2e8f0; }
.theme-premium-midnight .sig-box { border-color: #475569; color: #94a3b8; }

/* Annual report table (UT1–Annual) */
.marks-table-annual { font-size: 10pt; }
.marks-table-annual th, .marks-table-annual td { padding: 2mm 3mm; }

/* =========================================
   4. PRINT OUTPUT LOGIC
   ========================================= */
@media print {
    @page { size: A4; margin: 0; }
    body { background: white; -webkit-print-color-adjust: exact; print-color-adjust: exact; }

    /* Hide Everything Except Report Sheets */
    .sidebar, .top-bar, .print-toolbar-top, .toast-wrapper, .modal-overlay { display: none !important; }
    .print-studio-layout { height: auto; border: none; overflow: visible; background: white; }
    .print-preview-area { padding: 0; display: block; overflow: visible; }
    .print-preview-container { gap: 0; display: block; }

    /* Force Sheet to Fill Paper */
    .report-sheet {
        width: 100%; height: 100vh;
        margin: 0; padding: 15mm;
        box-shadow: none; border: none;
        transform: none !important;
        page-break-after: always;
    }
}