/*
 * Certificate & Award Maker – V3
 * Layers inside every .cert-sheet (bottom → top):
 *   .cert-bg (design background) · .cert-texture · .cert-frame (border) · .cert-deco (ornaments) · .cert-inner (text)
 * Borders/backgrounds live on child layers, never on .sheet itself, because
 * worksheet-base.css forces `.sheet { background:#fff; border:none }` (and print resets).
 */

/* =========================================
   1. SHEET SIZE + DESIGN TOKENS
   ========================================= */
.cert-sheet {
    --cert-accent: #d4a017;
    --cert-ink: #111827;
    --cert-muted: #6b7280;
    --cert-title-color: var(--cert-accent);
    --cert-title-font: 'Playfair Display', Georgia, serif;
    --cert-title-size: 31px;
    --cert-title-weight: 900;
    --cert-title-spacing: 4px;
    --cert-body-font: 'Nunito', -apple-system, sans-serif;
    --cert-name-font: 'Great Vibes', cursive;
    --cert-name-size: 64px;
    --cert-name-weight: 400;
    --cert-line: var(--cert-accent);
    --cert-paper: #fff;
    /* Metallic foil derived from the accent colour, so every swatch gets its own foil (gold, sapphire, ruby…) */
    --cert-foil: linear-gradient(120deg,
        color-mix(in srgb, var(--cert-accent) 65%, #1a1200) 0%,
        color-mix(in srgb, var(--cert-accent) 45%, #fff) 20%,
        var(--cert-accent) 38%,
        color-mix(in srgb, var(--cert-accent) 25%, #fff) 52%,
        color-mix(in srgb, var(--cert-accent) 75%, #000) 72%,
        color-mix(in srgb, var(--cert-accent) 40%, #fff) 88%,
        color-mix(in srgb, var(--cert-accent) 70%, #1a1200) 100%);
    /* Text foil keeps less white than the frame foil so lettering stays legible */
    --cert-foil-text: linear-gradient(100deg,
        color-mix(in srgb, var(--cert-accent) 70%, #1a1200) 0%,
        var(--cert-accent) 28%,
        color-mix(in srgb, var(--cert-accent) 70%, #fff) 48%,
        var(--cert-accent) 66%,
        color-mix(in srgb, var(--cert-accent) 70%, #1a1200) 100%);
    position: relative;
    display: block;
    padding: 0;
    overflow: hidden;
    background: #fff;
    color: var(--cert-ink);
    box-sizing: border-box;
    flex-shrink: 0;
}

/* Beat worksheet-base mobile rules that reflow .sheet to viewport width — certificates are fixed layouts */
.sheet.cert-sheet { max-width: none; min-width: 0; }

@media screen {
    .sheets-wrapper > .cert-sheet { zoom: var(--cert-fit, 1); }
}

/* Heights carry a ~1mm buffer below the physical page so a sheet never spills onto a second page */
.cert-sheet.letter { width: 215.9mm; height: 278mm; }
.cert-sheet.a4 { width: 210mm; height: 296mm; }
.cert-sheet--landscape.letter { width: 278mm; height: 215mm; }
.cert-sheet--landscape.a4 { width: 296mm; height: 209mm; }

.cert-bg,
.cert-texture,
.cert-frame,
.cert-deco {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cert-bg { z-index: 0; }
.cert-texture { z-index: 1; }
.cert-frame { z-index: 2; }
.cert-deco { z-index: 3; }

.cert-frame::before,
.cert-frame::after,
.cert-deco::before,
.cert-deco::after {
    content: '';
    position: absolute;
    pointer-events: none;
}

/* =========================================
   2. CONTENT
   ========================================= */
.cert-inner {
    position: relative;
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.2mm;
    width: 100%;
    height: 100%;
    padding: 18mm 26mm;
    box-sizing: border-box;
    text-align: center;
}

.cert-school {
    margin: 0;
    font-family: var(--cert-body-font);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--cert-muted);
}

.cert-title {
    margin: 0;
    max-width: 92%;
    font-family: var(--cert-title-font);
    font-size: var(--cert-title-size);
    font-weight: var(--cert-title-weight);
    letter-spacing: var(--cert-title-spacing);
    line-height: 1.2;
    text-transform: uppercase;
    color: var(--cert-title-color);
}

.cert-presented {
    margin: 1mm 0 0;
    font-family: var(--cert-body-font);
    font-size: 15px;
    font-style: italic;
    letter-spacing: 0.5px;
    color: var(--cert-muted);
}

.cert-name {
    margin: 0;
    max-width: 92%;
    font-family: var(--cert-name-font);
    font-size: calc(var(--cert-name-size) * var(--name-scale, 1));
    font-weight: var(--cert-name-weight);
    line-height: 1.15;
    word-break: break-word;
    color: var(--cert-ink);
}

.cert-achievement {
    margin: 0;
    max-width: 78%;
    font-family: var(--cert-body-font);
    font-size: 17px;
    line-height: 1.5;
    color: var(--cert-ink);
    opacity: 0.85;
}

.cert-date {
    margin: 0;
    font-family: var(--cert-body-font);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3px;
    color: var(--cert-muted);
}

.cert-divider {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 55%;
    max-width: 200px;
    flex-shrink: 0;
}

.cert-divider span {
    flex: 1;
    border-top: 1px solid var(--cert-line);
    opacity: 0.5;
}

.cert-divider i {
    width: 6px;
    height: 6px;
    background: var(--cert-line);
    transform: rotate(45deg);
    opacity: 0.7;
}

.cert-signatures {
    display: flex;
    justify-content: center;
    gap: 20mm;
    margin-top: 5mm;
}

.cert-sig-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 55mm;
}

.cert-sig-line {
    width: 60mm;
    margin-bottom: 2mm;
    border-bottom: 1.5px solid var(--cert-ink);
    opacity: 0.75;
}

.cert-sig-label {
    font-family: var(--cert-body-font);
    font-size: 13px;
    font-weight: 700;
    color: var(--cert-ink);
}

.cert-sig-title {
    font-family: var(--cert-body-font);
    font-size: 11px;
    font-style: italic;
    color: var(--cert-muted);
}

/* Portrait: more vertical room, less horizontal */
.cert-sheet:not(.cert-sheet--landscape) .cert-inner { padding: 26mm 22mm; gap: 3.5mm; }
.cert-sheet:not(.cert-sheet--landscape) { --cert-title-size: 24px; --cert-name-size: 50px; }
.cert-sheet:not(.cert-sheet--landscape) .cert-signatures { gap: 10mm; }
.cert-sheet:not(.cert-sheet--landscape) .cert-sig-block { min-width: 50mm; }
.cert-sheet:not(.cert-sheet--landscape) .cert-sig-line { width: 55mm; }

/* =========================================
   3. SEAL / LOGO
   ========================================= */
.cert-seal {
    position: relative;
    width: 22mm;
    height: 22mm;
    margin-bottom: 1mm;
    flex-shrink: 0;
}

.cert-seal__circle {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #fef3c7 0%, var(--cert-accent) 50%, color-mix(in srgb, var(--cert-accent) 55%, #000) 100%);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18), inset 0 1px 2px rgba(255, 255, 255, 0.45);
}

.cert-seal__ring {
    position: absolute;
    inset: 1.4mm;
    border: 1.5px dashed rgba(255, 255, 255, 0.65);
    border-radius: 50%;
}

.cert-seal__icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    line-height: 1;
    filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.25));
}

/* Sunburst rays */
.cert-seal::before {
    content: '';
    position: absolute;
    inset: -2.5mm;
    border-radius: 50%;
    background: repeating-conic-gradient(var(--cert-accent) 0deg 5deg, transparent 5deg 22.5deg);
    opacity: 0.3;
}

.cert-laurel {
    display: none;
    position: absolute;
    left: 50%;
    top: 50%;
    width: 46mm;
    height: 38mm;
    transform: translate(-50%, -46%);
    color: var(--cert-accent);
    opacity: 0.85;
}

.cert-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 24mm;
    margin-bottom: 1mm;
    flex-shrink: 0;
}

.cert-logo img {
    max-width: 60mm;
    max-height: 24mm;
    object-fit: contain;
}

/* =========================================
   4. CORNERS + STARS
   ========================================= */
.cert-corner {
    position: absolute;
    width: 16mm;
    height: 16mm;
    color: var(--cert-accent);
    opacity: 0.75;
}

.cert-corner svg { width: 100%; height: 100%; display: block; }
.cert-corner--tl { top: 9mm; left: 9mm; }
.cert-corner--tr { top: 9mm; right: 9mm; transform: scaleX(-1); }
.cert-corner--bl { bottom: 9mm; left: 9mm; transform: scaleY(-1); }
.cert-corner--br { bottom: 9mm; right: 9mm; transform: scale(-1, -1); }

.cert-star { position: absolute; }

/* =========================================
   5. PAPER TEXTURES (overlay on any design)
   ========================================= */
.cert-texture--watermark {
    background-image: radial-gradient(circle, rgba(0, 0, 0, 0.05) 1px, transparent 1.5px);
    background-size: 6mm 6mm;
}

.cert-texture--linen {
    background-image:
        repeating-linear-gradient(0deg, transparent 0 3px, rgba(0, 0, 0, 0.022) 3px 4px),
        repeating-linear-gradient(90deg, transparent 0 3px, rgba(0, 0, 0, 0.022) 3px 4px);
}

/* =========================================
   6. DESIGNS
   ========================================= */

/* Classic Gold — double rule + flourish corners */
.cert-design--classic .cert-frame::before { inset: 5mm; border: 7px double var(--cert-accent); }
.cert-design--classic .cert-frame::after { inset: 8mm; border: 1px solid var(--cert-accent); opacity: 0.6; }

/* Elegant — hairlines */
.cert-design--elegant { --cert-title-weight: 400; --cert-title-spacing: 6px; }
.cert-design--elegant .cert-frame::before { inset: 6mm; border: 1.5px solid var(--cert-accent); }
.cert-design--elegant .cert-frame::after { inset: 8mm; border: 0.75px solid var(--cert-accent); opacity: 0.5; }

/* Ornate — heavy triple frame */
.cert-design--ornate .cert-bg { background: radial-gradient(ellipse at center, #fff 55%, color-mix(in srgb, var(--cert-accent) 8%, #fff) 100%); }
.cert-design--ornate .cert-frame::before { inset: 4mm; border: 3px solid var(--cert-accent); box-shadow: inset 0 0 0 3px #fff, inset 0 0 0 4.5px var(--cert-accent); }
.cert-design--ornate .cert-frame::after { inset: 9mm; border: 1px dotted var(--cert-accent); }
.cert-design--ornate .cert-corner { width: 22mm; height: 22mm; top: 6mm; left: 6mm; }
.cert-design--ornate .cert-corner--tr { left: auto; right: 6mm; }
.cert-design--ornate .cert-corner--bl { top: auto; bottom: 6mm; }
.cert-design--ornate .cert-corner--br { top: auto; left: auto; bottom: 6mm; right: 6mm; }

/* Royal — navy band, accent inlay, formal capitals */
.cert-design--royal {
    --cert-title-font: 'Cinzel', 'Playfair Display', serif;
    --cert-title-weight: 800;
    --cert-title-color: #1e2a4a;
    --cert-line: var(--cert-accent);
}
.cert-design--royal .cert-bg { background: #fcf9f0; }
.cert-design--royal .cert-frame { border: 8mm solid #1e2a4a; }
.cert-design--royal .cert-frame::before { inset: 2mm; border: 1.5px solid var(--cert-accent); }
.cert-design--royal .cert-frame::after { inset: 3.5mm; border: 0.75px solid var(--cert-accent); }
.cert-design--royal .cert-corner { top: 13mm; left: 13mm; }
.cert-design--royal .cert-corner--tr { left: auto; right: 13mm; }
.cert-design--royal .cert-corner--bl { top: auto; bottom: 13mm; }
.cert-design--royal .cert-corner--br { top: auto; left: auto; bottom: 13mm; right: 13mm; }

/* Laurel — wreath around the seal */
.cert-design--laurel .cert-laurel { display: block; }
.cert-design--laurel .cert-seal { margin: 5mm 0 8mm; }
.cert-design--laurel .cert-seal::before { display: none; }
.cert-design--laurel .cert-frame::before { inset: 7mm; border: 1.5px solid var(--cert-accent); border-radius: 3mm; }
.cert-design--laurel .cert-frame::after { inset: 9.5mm; border: 0.75px solid var(--cert-accent); border-radius: 2mm; opacity: 0.6; }

/* Vintage — parchment + sepia */
.cert-design--vintage {
    --cert-ink: #3b2f1e;
    --cert-muted: #7a6446;
    --cert-title-color: color-mix(in srgb, var(--cert-accent) 55%, #4a3520);
    --cert-line: #8b6b3d;
}
.cert-design--vintage .cert-bg { background: radial-gradient(ellipse at center, #fbf4e2 40%, #efe0bc 90%, #e2cd9c 100%); }
.cert-design--vintage .cert-frame::before { inset: 6mm; border: 2px solid #8b6b3d; }
.cert-design--vintage .cert-frame::after { inset: 8.5mm; border: 1px dashed #8b6b3d; }
.cert-design--vintage .cert-corner { color: #8b6b3d; }

/* Art Deco — black + accent geometry */
.cert-design--deco {
    --cert-title-font: 'Cinzel', 'Playfair Display', serif;
    --cert-title-weight: 800;
    --cert-title-spacing: 6px;
    --cert-title-color: #111827;
}
.cert-design--deco .cert-frame::before { inset: 5mm; border: 2.5px solid #111827; }
.cert-design--deco .cert-frame::after { inset: 7.5mm; border: 1px solid var(--cert-accent); }
.cert-design--deco .cert-corner { width: 20mm; height: 20mm; top: 7.5mm; left: 7.5mm; opacity: 1; }
.cert-design--deco .cert-corner--tr { left: auto; right: 7.5mm; }
.cert-design--deco .cert-corner--bl { top: auto; bottom: 7.5mm; }
.cert-design--deco .cert-corner--br { top: auto; left: auto; bottom: 7.5mm; right: 7.5mm; }

/* Modern — bold corner triangles */
.cert-design--modern {
    --cert-title-font: 'Nunito', sans-serif;
    --cert-title-spacing: 5px;
    --cert-title-color: var(--cert-ink);
}
.cert-design--modern .cert-deco::before {
    top: 0; left: 0; width: 38%; height: 32%;
    background: var(--cert-accent);
    clip-path: polygon(0 0, 100% 0, 0 100%);
}
.cert-design--modern .cert-deco::after {
    right: 0; bottom: 0; width: 45%; height: 38%;
    background: linear-gradient(135deg, color-mix(in srgb, var(--cert-accent) 55%, #fff), var(--cert-accent));
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
}
.cert-design--modern .cert-frame::before {
    top: 0; left: 0; width: 44%; height: 38%;
    background: color-mix(in srgb, var(--cert-accent) 22%, #fff);
    clip-path: polygon(0 0, 100% 0, 0 100%);
}
.cert-design--modern .cert-seal::before { display: none; }

/* Ribbon — diagonal corner sashes */
.cert-design--ribbon .cert-frame::before { inset: 6mm; border: 1.5px solid var(--cert-accent); }
.cert-design--ribbon .cert-deco::before,
.cert-design--ribbon .cert-deco::after {
    width: 90mm; height: 11mm;
    background: var(--cert-accent);
    box-shadow: 0 0 0 1.5mm #fff, 0 0 0 2.2mm var(--cert-accent);
}
.cert-design--ribbon .cert-deco::before { top: 14mm; left: -24mm; transform: rotate(-45deg); }
.cert-design--ribbon .cert-deco::after { bottom: 14mm; right: -24mm; transform: rotate(-45deg); }

/* Minimal — clean, accent only in details */
.cert-design--minimal {
    --cert-title-font: 'Nunito', sans-serif;
    --cert-title-weight: 800;
    --cert-title-spacing: 7px;
    --cert-title-size: 24px;
    --cert-title-color: var(--cert-ink);
}
.cert-design--minimal .cert-frame::before { inset: 9mm; border: 1px solid #d1d5db; }
.cert-design--minimal .cert-seal::before { display: none; }

/* Rainbow — striped frame, playful type */
.cert-design--colorful {
    --cert-title-font: 'Fredoka', 'Nunito', sans-serif;
    --cert-title-weight: 700;
    --cert-title-spacing: 2px;
    --cert-name-font: 'Fredoka', 'Nunito', sans-serif;
    --cert-name-size: 48px;
    --cert-name-weight: 700;
}
.cert-design--colorful .cert-frame::before {
    inset: 4mm;
    border-radius: 6mm;
    box-shadow:
        inset 0 0 0 2mm #ef4444, inset 0 0 0 4mm #f59e0b, inset 0 0 0 6mm #10b981,
        inset 0 0 0 8mm #3b82f6, inset 0 0 0 10mm #8b5cf6;
}

/* Stars — scattered colourful stars */
.cert-design--stars {
    --cert-title-font: 'Fredoka', 'Nunito', sans-serif;
    --cert-title-weight: 700;
    --cert-title-spacing: 2px;
}
.cert-design--stars .cert-bg { background: radial-gradient(ellipse at center, #fff 60%, color-mix(in srgb, var(--cert-accent) 10%, #fff) 100%); }
.cert-design--stars .cert-frame::before { inset: 11mm; border: 2.5px dashed var(--cert-accent); border-radius: 8mm; }

/* Confetti — party dots behind a white panel */
.cert-design--confetti {
    --cert-title-font: 'Fredoka', 'Nunito', sans-serif;
    --cert-title-weight: 700;
    --cert-title-spacing: 2px;
    --cert-name-font: 'Fredoka', 'Nunito', sans-serif;
    --cert-name-size: 48px;
    --cert-name-weight: 700;
}
.cert-design--confetti .cert-bg {
    background-color: color-mix(in srgb, var(--cert-accent) 12%, #fff);
    background-image:
        radial-gradient(circle, #ef4444 1.4mm, transparent 1.5mm),
        radial-gradient(circle, #3b82f6 1.1mm, transparent 1.2mm),
        radial-gradient(circle, #f59e0b 1.6mm, transparent 1.7mm),
        radial-gradient(circle, #10b981 1mm, transparent 1.1mm),
        radial-gradient(circle, #ec4899 1.3mm, transparent 1.4mm);
    background-size: 23mm 19mm, 17mm 23mm, 29mm 26mm, 13mm 17mm, 21mm 31mm;
    background-position: 0 0, 7mm 11mm, 13mm 4mm, 3mm 9mm, 17mm 15mm;
}
.cert-design--confetti .cert-frame::before {
    inset: 13mm;
    background: #fff;
    border: 2.5px solid var(--cert-accent);
    border-radius: 6mm;
    box-shadow: 0 0 0 2mm #fff;
}

/* Chalkboard — wood frame, chalk text */
.cert-design--chalkboard {
    --cert-ink: #f8fafc;
    --cert-muted: #cbd5e1;
    --cert-title-color: color-mix(in srgb, var(--cert-accent) 45%, #fff);
    --cert-title-font: 'Fredoka', 'Nunito', sans-serif;
    --cert-title-weight: 700;
    --cert-title-spacing: 3px;
    --cert-line: #e2e8f0;
}
.cert-design--chalkboard .cert-bg { background: radial-gradient(ellipse at 40% 35%, #3b6a4d 0%, #2b4f39 60%, #213e2c 100%); }
.cert-design--chalkboard .cert-frame { border: 7mm solid #8b5a2b; box-shadow: inset 0 0 0 1.5mm #a06a36, inset 0 2mm 5mm rgba(0, 0, 0, 0.35); }
.cert-design--chalkboard .cert-frame::before { inset: 4mm; border: 1.5px dashed rgba(255, 255, 255, 0.35); border-radius: 2mm; }

/* =========================================
   6b. LUXURY DESIGNS
   ========================================= */

/* Shared: foil ring = foil background masked to the padding area (padding = ring thickness) */
.cert-design--foil .cert-frame::before,
.cert-design--noir .cert-frame::before,
.cert-design--diploma .cert-frame::before,
.cert-design--prestige .cert-frame::after {
    background: var(--cert-foil);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

/* Shared: foil lettering */
.cert-design--foil .cert-title,
.cert-design--noir .cert-title,
.cert-design--noir .cert-name,
.cert-design--diploma .cert-title,
.cert-design--prestige .cert-title {
    background: var(--cert-foil-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    /* Script swashes overhang the line box; padding keeps them inside the clipped background */
    padding: 0 0.35em;
}

/* Foil medallion: scalloped foil edge, engraved ring text, icon in the centre */
.cert-medal {
    position: relative;
    width: 30mm;
    height: 30mm;
    margin-bottom: 1mm;
    flex-shrink: 0;
    color: color-mix(in srgb, var(--cert-accent) 45%, #1a1200);
    filter: drop-shadow(0 1.5px 2px rgba(0, 0, 0, 0.28));
}

.cert-medal__edge,
.cert-medal__face,
.cert-medal__ring,
.cert-medal__icon {
    position: absolute;
    inset: 0;
}

.cert-medal__edge { background: var(--cert-foil); }

.cert-medal__face {
    inset: 10%;
    border-radius: 50%;
    background:
        radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.55), transparent 45%),
        radial-gradient(circle, color-mix(in srgb, var(--cert-accent) 55%, #fff) 0%, var(--cert-accent) 60%, color-mix(in srgb, var(--cert-accent) 75%, #000) 100%);
    box-shadow: inset 0 0 0 0.5mm color-mix(in srgb, var(--cert-accent) 60%, #000), inset 0 1mm 2mm rgba(255, 255, 255, 0.35);
}

.cert-medal__ring { width: 100%; height: 100%; }

.cert-medal__ring text {
    font-family: 'Cinzel', Georgia, serif;
    font-size: 7.2px;
    font-weight: 800;
    fill: currentColor;
}

.cert-medal__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    line-height: 1;
    filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.35));
}

/* Gold Foil — thick metallic frame, fine inner rule, ivory glow */
.cert-design--foil .cert-bg { background: radial-gradient(ellipse at center, #fff 50%, #fbf7ec 100%); }
.cert-design--foil .cert-frame::before { inset: 5mm; padding: 3.2mm; }
.cert-design--foil .cert-frame::after { inset: 10.5mm; border: 0.75px solid var(--cert-accent); }
.cert-design--foil .cert-corner { top: 13mm; left: 13mm; }
.cert-design--foil .cert-corner--tr { left: auto; right: 13mm; }
.cert-design--foil .cert-corner--bl { top: auto; bottom: 13mm; }
.cert-design--foil .cert-corner--br { top: auto; left: auto; bottom: 13mm; right: 13mm; }

/* Noir — black card, foil frame and lettering */
.cert-design--noir {
    --cert-ink: #f5f5f4;
    --cert-muted: #a8a29e;
    --cert-paper: #111114;
    --cert-title-font: 'Cinzel', 'Playfair Display', serif;
    --cert-title-weight: 800;
    --cert-title-spacing: 6px;
}
.cert-design--noir .cert-bg { background: radial-gradient(ellipse at 50% 40%, #24242b 0%, #111114 65%, #08080a 100%); }
.cert-design--noir .cert-frame::before { inset: 6mm; padding: 1.6mm; }
.cert-design--noir .cert-frame::after { inset: 10mm; border: 0.75px solid color-mix(in srgb, var(--cert-accent) 70%, transparent); }
.cert-design--noir .cert-corner { width: 18mm; height: 18mm; top: 10mm; left: 10mm; opacity: 1; }
.cert-design--noir .cert-corner--tr { left: auto; right: 10mm; }
.cert-design--noir .cert-corner--bl { top: auto; bottom: 10mm; }
.cert-design--noir .cert-corner--br { top: auto; left: auto; bottom: 10mm; right: 10mm; }

/* Guilloché — banknote-style engraved waves (SVG built in JS) */
.cert-design--guilloche {
    --cert-paper: #fbfaf6;
    --cert-title-font: 'Cinzel', 'Playfair Display', serif;
    --cert-title-weight: 800;
    --cert-title-color: color-mix(in srgb, var(--cert-accent) 75%, #000);
}
.cert-design--guilloche .cert-bg { background: var(--cert-paper); }
.cert-guilloche { position: absolute; inset: 0; width: 100%; height: 100%; color: var(--cert-accent); }
.cert-guilloche__watermark { opacity: 0.14; }

/* Diploma — parchment, foil rules, ribbon tails under the seal */
.cert-design--diploma {
    --cert-ink: #2b2115;
    --cert-muted: #6f5a3e;
    --cert-paper: #fbf5e6;
    --cert-title-font: 'Cinzel', 'Playfair Display', serif;
    --cert-title-weight: 800;
    --cert-title-spacing: 5px;
}
.cert-design--diploma .cert-bg { background: radial-gradient(ellipse at center, #fdf9ef 45%, #f4e9cf 100%); }
.cert-design--diploma .cert-frame::before { inset: 6mm; padding: 1.2mm; }
.cert-design--diploma .cert-frame::after { inset: 9.5mm; border: 0.75px solid var(--cert-accent); }
.cert-design--diploma .cert-corner { top: 11.5mm; left: 11.5mm; }
.cert-design--diploma .cert-corner--tr { left: auto; right: 11.5mm; }
.cert-design--diploma .cert-corner--bl { top: auto; bottom: 11.5mm; }
.cert-design--diploma .cert-corner--br { top: auto; left: auto; bottom: 11.5mm; right: 11.5mm; }
.cert-design--diploma .cert-medal { margin-bottom: 11mm; }
.cert-design--diploma .cert-medal::before {
    content: '';
    position: absolute;
    top: 60%;
    left: 50%;
    z-index: -1;
    width: 24mm;
    height: 21mm;
    transform: translateX(-50%);
    background: linear-gradient(90deg, color-mix(in srgb, var(--cert-accent) 70%, #000), var(--cert-accent), color-mix(in srgb, var(--cert-accent) 70%, #000));
    clip-path: polygon(22% 0, 78% 0, 90% 100%, 76% 88%, 62% 100%, 50% 12%, 38% 100%, 24% 88%, 10% 100%);
}

/* Botanical — leafy corner sprays, soft sage */
.cert-design--botanical {
    --cert-sage: #6b8f71;
    --cert-leaf-dark: #3f6b4a;
    --cert-leaf-light: #8fb394;
    --cert-title-weight: 700;
    --cert-title-spacing: 3px;
    --cert-line: var(--cert-sage);
}
.cert-design--botanical .cert-bg { background: radial-gradient(ellipse at center, #fff 55%, #f3f7f1 100%); }
.cert-design--botanical .cert-frame::before { inset: 9mm; border: 1px solid var(--cert-sage); border-radius: 2mm; }
.cert-design--botanical .cert-corner { width: 52mm; height: 52mm; top: 5mm; left: 5mm; opacity: 1; }
.cert-design--botanical .cert-corner--tr { left: auto; right: 5mm; }
.cert-design--botanical .cert-corner--bl { top: auto; bottom: 5mm; }
.cert-design--botanical .cert-corner--br { top: auto; left: auto; bottom: 5mm; right: 5mm; }
.cert-design--botanical .cert-seal::before { display: none; }

/* Prestige — deep accent band with a foil inlay */
.cert-design--prestige {
    --cert-band: #4a0f1d;
    --cert-paper: #fdfbf5;
    --cert-title-font: 'Cinzel', 'Playfair Display', serif;
    --cert-title-weight: 800;
}
.cert-design--prestige .cert-bg { background: var(--cert-paper); }
.cert-design--prestige .cert-frame::before {
    inset: 4mm;
    border: 10mm solid var(--cert-band);
    background: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.06) 0 0.35mm, transparent 0.35mm 1.4mm) border-box;
}
.cert-design--prestige .cert-frame::after { inset: 7.5mm; padding: 1.2mm; }
.cert-design--prestige .cert-corner { top: 17mm; left: 17mm; }
.cert-design--prestige .cert-corner--tr { left: auto; right: 17mm; }
.cert-design--prestige .cert-corner--bl { top: auto; bottom: 17mm; }
.cert-design--prestige .cert-corner--br { top: auto; left: auto; bottom: 17mm; right: 17mm; }

/* =========================================
   7. NAME FONT OVERRIDES (beat design defaults)
   ========================================= */
.cert-sheet.cert-namefont--script { --cert-name-font: 'Great Vibes', cursive; --cert-name-size: 58px; --cert-name-weight: 400; }
.cert-sheet.cert-namefont--serif { --cert-name-font: 'Playfair Display', Georgia, serif; --cert-name-size: 46px; --cert-name-weight: 700; }
.cert-sheet.cert-namefont--caps { --cert-name-font: 'Cinzel', Georgia, serif; --cert-name-size: 42px; --cert-name-weight: 600; }
.cert-sheet.cert-namefont--playful { --cert-name-font: 'Fredoka', 'Nunito', sans-serif; --cert-name-size: 48px; --cert-name-weight: 700; }
.cert-sheet.cert-namefont--clean { --cert-name-font: 'Nunito', sans-serif; --cert-name-size: 44px; --cert-name-weight: 900; }

/* =========================================
   8. PANEL UI (design gallery, swatches)
   ========================================= */
.cert-design-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.cert-design-btn {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 6px;
    border: 2px solid var(--c-border);
    border-radius: 8px;
    background: var(--c-bg-card);
    cursor: pointer;
    transition: border-color 0.15s, transform 0.15s;
}

.cert-design-btn:hover { transform: translateY(-1px); border-color: var(--c-primary); }
.cert-design-btn.active { border-color: var(--c-primary); box-shadow: 0 0 0 2px color-mix(in srgb, var(--c-primary) 25%, transparent); }
.cert-design-btn:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }

.cert-design-btn__label {
    font-size: 11px;
    font-weight: 600;
    color: var(--c-text-main);
}

/* Thumbnail = a real certificate scaled down; wrapper takes the scaled size */
.cert-thumb {
    position: relative;
    display: block;
    width: 100%;
    overflow: hidden;
    border-radius: 3px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
    pointer-events: none;
}

.cert-thumb .cert-sheet {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(var(--thumb-scale, 0.13));
}

.cert-swatches {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.cert-swatch {
    width: 26px;
    height: 26px;
    padding: 0;
    border: 2px solid #fff;
    border-radius: 50%;
    background: var(--swatch);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15);
    cursor: pointer;
}

.cert-swatch.active { box-shadow: 0 0 0 2px var(--c-primary); }
.cert-swatch:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }

.cert-accent-picker {
    width: 30px;
    height: 28px;
    padding: 0;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: none;
    cursor: pointer;
}

.cert-input-gap { margin-top: 6px; }

/* =========================================
   9. PRINT
   Specificity (.sheet.cert-sheet.*) beats sheet-common/worksheet-base print rules,
   which otherwise force portrait heights and 10mm padding onto every sheet.
   ========================================= */
@media print {
    .sheet.cert-sheet {
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        overflow: hidden !important;
        display: block !important;
        max-width: none !important;
        zoom: 1 !important;
        break-after: page;
        page-break-after: always;
        break-inside: avoid;
    }

    .sheet.cert-sheet:last-child { break-after: auto; page-break-after: auto; }

    .sheet.cert-sheet.letter { width: 215.9mm !important; height: 278mm !important; min-height: 278mm !important; max-height: 278mm !important; }
    .sheet.cert-sheet.a4 { width: 210mm !important; height: 296mm !important; min-height: 296mm !important; max-height: 296mm !important; }
    .sheet.cert-sheet.cert-sheet--landscape.letter { width: 278mm !important; height: 215mm !important; min-height: 215mm !important; max-height: 215mm !important; }
    .sheet.cert-sheet.cert-sheet--landscape.a4 { width: 296mm !important; height: 209mm !important; min-height: 209mm !important; max-height: 209mm !important; }
}