/*
 * Certificate & Award Maker – V2.0 (Premium 2026)
 * Aligned with worksheet-base.css design system
 * Uses sheet-common.css for base .sheet sizing
 * Features: decorative corners, gold seal, ornamental dividers
 */

/* =========================================
   1. CERTIFICATE SHEET OVERRIDES
   ========================================= */

/* Landscape sheets — swap width/height */
.cert-sheet--landscape {
    padding: 0;
}

.cert-sheet--landscape.letter {
    width: 278mm;
    height: 215.9mm;
    min-height: 215.9mm;
    max-height: 215.9mm;
}

.cert-sheet--landscape.a4 {
    width: 296mm;
    height: 210mm;
    min-height: 210mm;
    max-height: 210mm;
}

/* Portrait uses normal sheet.a4 / sheet.letter from sheet-common */
.cert-sheet {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* =========================================
   2. BORDER STYLES (Enhanced)
   ========================================= */
.cert-border--classic {
    border: 8px double var(--cert-accent, #d4a017);
    box-shadow: inset 0 0 0 3px #fff, inset 0 0 0 5px var(--cert-accent, #d4a017);
}

.cert-border--elegant {
    border: 2px solid var(--cert-accent, #d4a017);
    box-shadow:
        inset 0 0 0 6px #fff,
        inset 0 0 0 7px var(--cert-accent, #d4a017),
        inset 0 0 0 12px #fff,
        inset 0 0 0 13px rgba(0, 0, 0, 0.06);
}

.cert-border--ornate {
    border: 3px solid var(--cert-accent, #d4a017);
    box-shadow:
        inset 0 0 0 4px #fff,
        inset 0 0 0 6px var(--cert-accent, #d4a017),
        inset 0 0 0 10px #fff,
        inset 0 0 0 11px var(--cert-accent, #d4a017);
}

.cert-border--colorful {
    border: 6px solid transparent;
    background-clip: padding-box;
    box-shadow:
        inset 0 0 0 3px #f59e0b,
        inset 0 0 0 6px #10b981,
        inset 0 0 0 9px #3b82f6,
        inset 0 0 0 12px #8b5cf6;
}

.cert-border--minimal {
    border: 1px solid #d1d5db;
}

/* =========================================
   3. DECORATIVE CORNER ORNAMENTS
   ========================================= */
.cert-corner {
    position: absolute;
    width: 50px;
    height: 50px;
    color: var(--cert-accent, #d4a017);
    opacity: 0.6;
    pointer-events: none;
    z-index: 1;
}

.cert-corner svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.cert-corner--tl {
    top: 14px;
    left: 14px;
}

.cert-corner--tr {
    top: 14px;
    right: 14px;
    transform: scaleX(-1);
}

.cert-corner--bl {
    bottom: 14px;
    left: 14px;
    transform: scaleY(-1);
}

.cert-corner--br {
    bottom: 14px;
    right: 14px;
    transform: scale(-1, -1);
}

/* Hide corners for minimal style */
.cert-border--minimal .cert-corner {
    display: none;
}

/* =========================================
   4. GOLD SEAL
   ========================================= */
.cert-seal {
    position: relative;
    width: 72px;
    height: 72px;
    margin: 0 auto;
    flex-shrink: 0;
}

.cert-seal__circle {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%,
            #fde68a 0%, var(--cert-accent, #d4a017) 45%, #92400e 100%);
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.15),
        inset 0 1px 2px rgba(255, 255, 255, 0.4);
}

.cert-seal__ring {
    position: absolute;
    inset: 5px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.cert-seal__icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    line-height: 1;
    filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.2));
}

/* Star burst rays behind the seal */
.cert-seal::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    background: conic-gradient(from 0deg,
            transparent 0deg, var(--cert-accent, #d4a017) 4deg,
            transparent 8deg, transparent 22.5deg,
            transparent 22.5deg, var(--cert-accent, #d4a017) 26.5deg,
            transparent 30.5deg, transparent 45deg,
            transparent 45deg, var(--cert-accent, #d4a017) 49deg,
            transparent 53deg, transparent 67.5deg,
            transparent 67.5deg, var(--cert-accent, #d4a017) 71.5deg,
            transparent 75.5deg, transparent 90deg,
            transparent 90deg, var(--cert-accent, #d4a017) 94deg,
            transparent 98deg, transparent 112.5deg,
            transparent 112.5deg, var(--cert-accent, #d4a017) 116.5deg,
            transparent 120.5deg, transparent 135deg,
            transparent 135deg, var(--cert-accent, #d4a017) 139deg,
            transparent 143deg, transparent 157.5deg,
            transparent 157.5deg, var(--cert-accent, #d4a017) 161.5deg,
            transparent 165.5deg, transparent 180deg,
            transparent 180deg, var(--cert-accent, #d4a017) 184deg,
            transparent 188deg, transparent 202.5deg,
            transparent 202.5deg, var(--cert-accent, #d4a017) 206.5deg,
            transparent 210.5deg, transparent 225deg,
            transparent 225deg, var(--cert-accent, #d4a017) 229deg,
            transparent 233deg, transparent 247.5deg,
            transparent 247.5deg, var(--cert-accent, #d4a017) 251.5deg,
            transparent 255.5deg, transparent 270deg,
            transparent 270deg, var(--cert-accent, #d4a017) 274deg,
            transparent 278deg, transparent 292.5deg,
            transparent 292.5deg, var(--cert-accent, #d4a017) 296.5deg,
            transparent 300.5deg, transparent 315deg,
            transparent 315deg, var(--cert-accent, #d4a017) 319deg,
            transparent 323deg, transparent 337.5deg,
            transparent 337.5deg, var(--cert-accent, #d4a017) 341.5deg,
            transparent 345.5deg, transparent 360deg);
    opacity: 0.25;
    z-index: -1;
}

/* No seal for minimal style */
.cert-border--minimal .cert-seal::before {
    display: none;
}

/* =========================================
   5. ORNAMENTAL DIVIDER
   ========================================= */
.cert-divider {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 60%;
    max-width: 200px;
    margin: 1mm auto;
    flex-shrink: 0;
}

.cert-divider__line {
    flex: 1;
    height: 0;
    border-top: 1px solid var(--cert-accent, #d4a017);
    opacity: 0.4;
}

.cert-divider__diamond {
    width: 6px;
    height: 6px;
    background: var(--cert-accent, #d4a017);
    transform: rotate(45deg);
    flex-shrink: 0;
    opacity: 0.5;
}

/* =========================================
   6. INNER LAYOUT
   ========================================= */
.cert-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 14mm 18mm;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    gap: 2mm;
    position: relative;
    z-index: 2;
}

/* =========================================
   7. TYPOGRAPHY (Enhanced)
   ========================================= */
.cert-icon {
    font-size: 48px;
    line-height: 1;
    margin-bottom: 0;
    /* Legacy fallback — hidden when seal is used */
    display: none;
}

.cert-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 26px;
    font-weight: 900;
    color: var(--cert-accent, #d4a017);
    text-transform: uppercase;
    letter-spacing: 4px;
    margin: 0;
    line-height: 1.2;
}

.cert-presented {
    font-family: 'Nunito', -apple-system, sans-serif;
    font-size: 13px;
    font-weight: 400;
    color: #6b7280;
    margin: 1mm 0 0 0;
    font-style: italic;
    letter-spacing: 0.5px;
}

.cert-name {
    font-family: 'Great Vibes', cursive;
    font-size: 48px;
    font-weight: 400;
    color: #111827;
    margin: 1mm 0;
    line-height: 1.15;
    word-break: break-word;
    max-width: 90%;
}

.cert-achievement {
    font-family: 'Nunito', -apple-system, sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: #374151;
    margin: 0;
    max-width: 80%;
    line-height: 1.5;
}

.cert-date {
    font-family: 'Nunito', -apple-system, sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: #6b7280;
    margin: 1mm 0 0 0;
    letter-spacing: 0.3px;
}

/* =========================================
   8. SIGNATURE AREA (Enhanced)
   ========================================= */
.cert-signatures {
    display: flex;
    gap: 24mm;
    margin-top: 4mm;
    align-items: flex-end;
}

.cert-sig-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 50mm;
}

.cert-sig-line {
    width: 60mm;
    height: 0;
    border-bottom: 1.5px solid #374151;
    margin-bottom: 2mm;
}

.cert-sig-label {
    font-family: 'Nunito', -apple-system, sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: #374151;
}

.cert-sig-title {
    font-family: 'Nunito', -apple-system, sans-serif;
    font-size: 11px;
    font-weight: 400;
    color: #6b7280;
    font-style: italic;
}

/* =========================================
   9. BACKGROUND PATTERNS
   ========================================= */
.cert-bg-pattern {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

/* Subtle watermark pattern */
.cert-bg--watermark {
    background-image:
        radial-gradient(circle at 20% 30%, rgba(0, 0, 0, 0.012) 1px, transparent 1px),
        radial-gradient(circle at 80% 70%, rgba(0, 0, 0, 0.012) 1px, transparent 1px);
    background-size: 30px 30px, 30px 30px;
    background-position: 0 0, 15px 15px;
}

/* Linen texture */
.cert-bg--linen {
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(0, 0, 0, 0.008) 3px, rgba(0, 0, 0, 0.008) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 3px, rgba(0, 0, 0, 0.008) 3px, rgba(0, 0, 0, 0.008) 4px);
}

/* =========================================
   10. ACCENT COLOR PICKER SUPPORT
   ========================================= */
.cert-accent-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.cert-accent-picker {
    width: 32px;
    height: 26px;
    padding: 0;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    cursor: pointer;
    background: none;
}

.cert-accent-picker::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.cert-accent-picker::-webkit-color-swatch {
    border: none;
    border-radius: 2px;
}

.cert-accent-swatch {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    vertical-align: middle;
    flex-shrink: 0;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* =========================================
   11. PORTRAIT ADJUSTMENTS
   ========================================= */
.cert-sheet:not(.cert-sheet--landscape) .cert-name {
    font-size: 42px;
}

.cert-sheet:not(.cert-sheet--landscape) .cert-title {
    font-size: 22px;
}

.cert-sheet:not(.cert-sheet--landscape) .cert-signatures {
    flex-direction: column;
    gap: 8mm;
}

.cert-sheet:not(.cert-sheet--landscape) .cert-seal {
    width: 60px;
    height: 60px;
}

.cert-sheet:not(.cert-sheet--landscape) .cert-seal__icon {
    font-size: 26px;
}

.cert-sheet:not(.cert-sheet--landscape) .cert-corner {
    width: 40px;
    height: 40px;
}

/* =========================================
   12. PRINT OVERRIDES
   ========================================= */
@media print {
    .cert-sheet {
        box-shadow: none !important;
        margin: 0 !important;
        border-radius: 0 !important;
        page-break-after: always;
        page-break-inside: avoid;
    }

    .cert-sheet--landscape.letter {
        width: 278mm !important;
        height: 215.9mm !important;
    }

    .cert-sheet--landscape.a4 {
        width: 296mm !important;
        height: 210mm !important;
    }

    .cert-border--classic {
        border-color: var(--cert-accent, #d4a017) !important;
        box-shadow: inset 0 0 0 3px #fff, inset 0 0 0 5px var(--cert-accent, #d4a017) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .cert-border--elegant {
        border-color: var(--cert-accent, #d4a017) !important;
        box-shadow:
            inset 0 0 0 6px #fff,
            inset 0 0 0 7px var(--cert-accent, #d4a017),
            inset 0 0 0 12px #fff,
            inset 0 0 0 13px rgba(0, 0, 0, 0.06) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .cert-border--ornate {
        border-color: var(--cert-accent, #d4a017) !important;
        box-shadow:
            inset 0 0 0 4px #fff,
            inset 0 0 0 6px var(--cert-accent, #d4a017),
            inset 0 0 0 10px #fff,
            inset 0 0 0 11px var(--cert-accent, #d4a017) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .cert-border--colorful {
        box-shadow:
            inset 0 0 0 3px #f59e0b,
            inset 0 0 0 6px #10b981,
            inset 0 0 0 9px #3b82f6,
            inset 0 0 0 12px #8b5cf6 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .cert-seal {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .cert-seal__circle {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .cert-corner {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .cert-bg-pattern {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .cert-icon {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .cert-title {
        color: var(--cert-accent, #d4a017) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .cert-name {
        color: #000 !important;
    }

    .cert-achievement,
    .cert-sig-label {
        color: #333 !important;
    }

    .cert-divider__line {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .cert-divider__diamond {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}