:root {
    --paper: oklch(0.93 0.02 85);
    --paper-deep: oklch(0.88 0.03 78);
    --ink: oklch(0.28 0.03 55);
    --ink-soft: oklch(0.42 0.03 55);
    --cinnabar: oklch(0.48 0.14 32);
    --umber: oklch(0.36 0.05 55);
    --slot: oklch(0.32 0.03 50);
    --empty: oklch(0.86 0.02 80);
    --line: 1.45rem;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
    background:
        radial-gradient(1200px 520px at 12% -10%, oklch(0.96 0.03 85 / 0.7), transparent 58%),
        var(--paper);
    color: var(--ink);
    font-family: "Noto Serif TC", "Songti TC", serif;
}

body {
    min-height: 100vh;
    padding: clamp(1.2rem, 3vw, 2.4rem) clamp(1rem, 3vw, 2.2rem) 2.4rem;
}

.mast {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: end;
    gap: 0.8rem 1.6rem;
    margin-bottom: 1.6rem;
    border-bottom: 1px solid oklch(0.28 0.03 55 / 0.18);
    padding-bottom: 0.9rem;
}

.mast-mark {
    margin: 0 0 0.15rem;
    font-size: 0.75rem;
    letter-spacing: 0.42em;
    color: var(--cinnabar);
}

.mast h1 {
    margin: 0;
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: 900;
    letter-spacing: 0.18em;
    line-height: 1;
}

.mast-pack,
.mast-count {
    margin: 0;
    font-size: 0.95rem;
    letter-spacing: 0.12em;
}

.mast-pack {
    justify-self: start;
    padding-bottom: 0.25rem;
}

.mast-count {
    color: var(--ink-soft);
    padding-bottom: 0.25rem;
}

.mast-count b {
    color: var(--cinnabar);
    font-weight: 700;
}

.studio {
    display: grid;
    grid-template-columns: minmax(220px, 18rem) 1fr;
    gap: clamp(1.2rem, 3vw, 2.4rem);
    align-items: start;
}

.well {
    position: sticky;
    top: 1.2rem;
    min-height: 0;
}

.well-hint {
    margin: 4.2rem 0 0;
    color: var(--ink-soft);
    letter-spacing: 0.18em;
    writing-mode: vertical-rl;
    height: 16rem;
}

.card-view {
    display: grid;
    gap: 0.85rem;
}

.card-frame {
    aspect-ratio: 3 / 4;
    width: min(100%, 18rem);
    overflow: hidden;
    background: var(--empty);
    box-shadow:
        0 18px 40px oklch(0.28 0.03 55 / 0.18),
        0 0 0 1px oklch(0.28 0.03 55 / 0.16);
}

.card-frame img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-empty {
    display: grid;
    place-items: center;
    height: 100%;
    color: var(--ink-soft);
    letter-spacing: 0.4em;
    writing-mode: vertical-rl;
}

.card-meta h2 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.card-meta p {
    margin: 0.25rem 0 0;
    color: var(--ink-soft);
    letter-spacing: 0.06em;
}

.card-lines {
    margin: 0.4rem 0 0;
    padding: 0;
    list-style: none;
    font-size: 1.05rem;
    line-height: var(--line);
}

.faces,
.used {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 0.2rem;
}

.faces button,
.used a,
.filters button {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--ink-soft);
    font: inherit;
    letter-spacing: 0.1em;
    padding: 0.15rem 0;
    cursor: pointer;
    box-shadow: inset 0 -1px 0 transparent;
}

.faces button.is-on,
.filters button.is-on {
    color: var(--ink);
    box-shadow: inset 0 -1.5px 0 var(--cinnabar);
}

.faces button:disabled {
    opacity: 0.35;
    cursor: default;
}

.used a {
    color: var(--cinnabar);
    text-decoration: none;
}

.cabinet {
    min-width: 0;
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
    margin-bottom: 1.1rem;
}

.drawers {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(7.4rem, 1fr));
    gap: 1rem 0.85rem;
    padding: 1rem 0.9rem 1.2rem;
    background: var(--slot);
    box-shadow: inset 0 1px 0 oklch(0.92 0.02 85 / 0.08);
}

.slot {
    display: grid;
    gap: 0.4rem;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.slot-face {
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: var(--empty);
    box-shadow: 0 6px 14px oklch(0.2 0.02 50 / 0.35);
    transform: translateY(0);
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.slot:hover .slot-face,
.slot.is-open .slot-face {
    transform: translateY(-6px);
}

.slot.is-open .slot-face {
    box-shadow:
        0 0 0 2px oklch(0.93 0.02 85),
        0 10px 22px oklch(0.2 0.02 50 / 0.4);
}

.slot-face img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slot-blank {
    display: grid;
    place-items: center;
    height: 100%;
    color: oklch(0.5 0.03 55);
    letter-spacing: 0.28em;
    writing-mode: vertical-rl;
    font-size: 0.85rem;
}

.slot-name {
    color: oklch(0.86 0.02 80);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    line-height: 1.35;
}

.slot.is-painted .slot-name {
    color: oklch(0.93 0.02 85);
}

@media (max-width: 760px) {
    .mast {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }

    .studio {
        grid-template-columns: 1fr;
    }

    .well {
        position: static;
    }

    .well-hint {
        writing-mode: horizontal-tb;
        height: auto;
        margin: 0 0 0.6rem;
    }

    .card-frame {
        width: min(42vw, 12rem);
    }

    .card-view {
        grid-template-columns: auto 1fr;
        align-items: start;
    }
}

/* 共用卡面把玩臺 */
.well {
    width: 100%;
}

.card-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.6rem 0 1.4rem;
    color: var(--ink-soft);
}

.card-stage .tc-stage.tc-play {
    width: min(100%, 17rem);
}

.packs {
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

.faces-label {
    color: var(--ink-soft);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    padding-top: 0.2rem;
    margin-right: 0.2rem;
}

@media (max-width: 760px) {
    .card-view {
        grid-template-columns: 1fr;
    }

    .card-stage .tc-stage.tc-play {
        width: min(70vw, 16rem);
    }
}

/* ───── 太虛卡坊第一期 ───── */
[hidden] { display: none !important; }

.tabs {
    margin: -0.6rem 0 1.4rem;
    font-size: 1.1rem;
}

.notice {
    margin: 0 0 1rem;
    color: var(--ink-soft);
    letter-spacing: 0.08em;
}

.teacher-preview { display: inline-flex; gap: 0.4rem; align-items: center; cursor: pointer; }

.showcase-row {
    display: flex;
    align-items: end;
    gap: 0.6rem;
    margin-bottom: 1.2rem;
}

.showcase-slot {
    width: 3.6rem;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.showcase-slot:disabled { cursor: default; opacity: 0.5; }

.slot-face.is-silhouette img {
    filter: brightness(0) saturate(0);
    opacity: 0.28;
}

.slot-typeset {
    display: grid;
    place-items: center;
    height: 100%;
    padding: 0.4rem;
    background: linear-gradient(180deg, #f3ead4, #dcc8a0);
    color: #6a221c;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-align: center;
    font-size: 0.85rem;
}

.card-frame.is-locked img {
    filter: brightness(0) saturate(0);
    opacity: 0.25;
}

.card-meta .hint {
    color: var(--ink);
    line-height: 1.7;
}

.card-meta .go {
    display: inline-block;
    margin-top: 0.4rem;
    color: var(--cinnabar);
    text-decoration: none;
    letter-spacing: 0.1em;
}

.got-at {
    color: var(--ink-soft);
    font-size: 0.8rem;
    padding-top: 0.2rem;
}

.section-title {
    margin: 1.6rem 0 0.3rem;
    font-size: 1.3rem;
    letter-spacing: 0.12em;
}

.section-note, .muted {
    color: var(--ink-soft);
    font-size: 0.88rem;
    letter-spacing: 0.06em;
}

.pack-head {
    margin: 1rem 0 0.5rem;
    font-size: 1rem;
    letter-spacing: 0.1em;
}

.class-album { grid-template-columns: repeat(auto-fill, minmax(5.6rem, 1fr)); }

.members { display: grid; gap: 0.9rem; }

.member {
    display: grid;
    grid-template-columns: 8rem 1fr auto;
    gap: 0.8rem;
    align-items: center;
    padding: 0.6rem 0;
    border-bottom: 1px solid oklch(0.28 0.03 55 / 0.12);
}

.member-name { letter-spacing: 0.08em; }

.member-shelf { display: flex; gap: 0.4rem; align-items: center; }
.member-shelf .slot-face { width: 2.8rem; }

.member-acts { display: flex; flex-wrap: wrap; gap: 0.35rem; }

.react, .plain, .primary {
    appearance: none;
    font: inherit;
    letter-spacing: 0.08em;
    cursor: pointer;
    border-radius: 999px;
}

.react {
    border: 1px solid oklch(0.28 0.03 55 / 0.25);
    background: transparent;
    color: var(--ink-soft);
    padding: 0.15rem 0.7rem;
    font-size: 0.85rem;
}

.react.is-on { border-color: var(--cinnabar); color: var(--cinnabar); }
.react:disabled { opacity: 0.4; cursor: default; }
.react.gift { color: var(--ink); }

.plain {
    border: 0;
    background: transparent;
    color: var(--ink-soft);
    padding: 0.2rem 0;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.primary {
    border: 0;
    background: var(--cinnabar);
    color: oklch(0.97 0.01 85);
    padding: 0.45rem 1.1rem;
}

.primary:disabled { opacity: 0.5; }

.class-log { margin-top: 1rem; font-size: 0.88rem; }

.gift-dialog {
    max-width: min(32rem, 90vw);
    border: 0;
    padding: 1.4rem;
    background: var(--paper);
    color: var(--ink);
    box-shadow: 0 20px 60px oklch(0.2 0.02 50 / 0.4);
}

.gift-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(5rem, 1fr)); gap: 0.6rem; margin: 0.8rem 0; }

.maker {
    display: grid;
    grid-template-columns: minmax(200px, 16rem) 1fr;
    gap: 2rem;
    align-items: start;
}

.maker-list { display: grid; gap: 0.5rem; justify-items: start; }
.maker-item { display: flex; gap: 0.5rem; align-items: center; }

.maker-grid {
    display: grid;
    grid-template-columns: minmax(240px, 22rem) 1fr;
    gap: 2rem;
    align-items: start;
}

.maker-form { display: grid; gap: 0.8rem; }

.field { display: grid; gap: 0.3rem; font-size: 0.9rem; letter-spacing: 0.06em; }
.field.inline { display: flex; align-items: center; gap: 0.4rem; margin: 0.6rem 0; }

.field input:not([type="checkbox"]), .field textarea, .field select {
    font: inherit;
    padding: 0.45rem 0.6rem;
    border: 1px solid oklch(0.28 0.03 55 / 0.25);
    background: oklch(0.97 0.01 85);
    color: var(--ink);
}

.maker-preview { display: grid; justify-items: center; gap: 0.6rem; }

.export-report p { margin: 0.4rem 0; font-size: 0.88rem; }
.export-report .warn { color: var(--cinnabar); }

@media (max-width: 760px) {
    .maker, .maker-grid { grid-template-columns: 1fr; }
    .member { grid-template-columns: 1fr; }
}

.maker-acts { display: flex; gap: 1rem; align-items: center; }
.maker-preview .card-stage { width: min(20rem, 80vw); }

/* ───── 開包、機率、分享 ───── */
.open-top { display: grid; gap: 1rem; margin-bottom: 1.2rem; }
.open-stats { display: flex; flex-wrap: wrap; gap: 1.4rem; letter-spacing: 0.08em; }
.reveal { min-height: 1rem; margin: 1rem 0 2rem; }
.reveal-row { display: flex; gap: 1.4rem; justify-content: center; flex-wrap: wrap; }
.reveal-card { width: min(11rem, 28vw); perspective: 900px; display: grid; gap: 0.5rem; justify-items: center; }
.reveal-inner {
    position: relative; width: 100%; aspect-ratio: 3 / 4;
    transform-style: preserve-3d; transition: transform 0.7s cubic-bezier(.2,.7,.2,1);
}
.reveal-card.is-flipped .reveal-inner { transform: rotateY(180deg); }
.reveal-back, .reveal-front {
    position: absolute; inset: 0; backface-visibility: hidden; border-radius: 6px; overflow: hidden;
    box-shadow: 0 10px 30px oklch(0.2 0.02 50 / 0.3);
}
.reveal-back {
    display: grid; place-items: center; background: #3a2016; color: #e8c48c;
    font-size: 2.6rem; font-weight: 900; letter-spacing: 0.2em;
}
.reveal-front { transform: rotateY(180deg); background: var(--paper); }
.reveal-front .slot-face { width: 100%; height: 100%; }
.reveal-front img { width: 100%; height: 100%; object-fit: cover; }
.reveal-cap { display: grid; justify-items: center; font-size: 0.9rem; letter-spacing: 0.08em; opacity: 0; transition: opacity 0.4s 0.5s; }
.reveal-card.is-flipped .reveal-cap { opacity: 1; }
.reveal-card.tier-SR.is-flipped .reveal-front { box-shadow: 0 0 0 3px #c9a25a, 0 0 28px #e7c46a; }
.reveal-card.tier-SSR.is-flipped .reveal-front { box-shadow: 0 0 0 3px #b48ce0, 0 0 32px #ff9ccf, 0 0 52px #6fc7ff88; }
.reveal-card.tier-UR.is-flipped .reveal-front { box-shadow: 0 0 0 3px #c0483a, 0 0 36px #f0b04a, 0 0 60px #c0483a88; }
.reveal-card.tier-R.is-flipped .reveal-front { box-shadow: 0 0 0 2px #5f8a72; }
@media (prefers-reduced-motion: reduce) { .reveal-inner { transition: none; } }
.odds-table { border-collapse: collapse; margin: 0.6rem 0; font-size: 0.95rem; }
.odds-table th, .odds-table td { padding: 0.4rem 1rem; border-bottom: 1px solid oklch(0.28 0.03 55 / 0.15); text-align: left; }
.odds-table .tier-SR td:first-child { color: #9a6b1c; font-weight: 700; }
.odds-table .tier-SSR td:first-child { color: #7a4896; font-weight: 700; }
.odds-table .tier-UR td:first-child { color: var(--cinnabar); font-weight: 700; }
.redeem-grid .slot { display: grid; gap: 0.3rem; }
.jieqi-poem { margin-top: 0.6rem; font-size: 0.92rem; color: var(--ink-soft); }
.grant-row { display: flex; gap: 0.8rem; align-items: center; margin: 1rem 0; flex-wrap: wrap; }
.share-area { margin-top: 2rem; display: grid; gap: 1.2rem; }
.share-pack { display: flex; gap: 0.8rem; align-items: center; flex-wrap: wrap; padding: 0.4rem 0; border-bottom: 1px solid oklch(0.28 0.03 55 / 0.12); }
.status { font-size: 0.82rem; padding: 0.05rem 0.6rem; border-radius: 999px; border: 1px solid currentColor; }
.status-pending { color: #9a6b1c; } .status-published { color: #2f6b3e; } .status-rejected { color: var(--cinnabar); }
.share-form { display: grid; gap: 0.5rem; max-width: 22rem; margin-top: 0.8rem; }
.share-form input, .share-form select { font: inherit; padding: 0.4rem 0.6rem; }
.custom-grid { display: flex; flex-wrap: wrap; gap: 0.8rem; margin: 0.5rem 0; }
.custom-cell { display: grid; gap: 0.3rem; justify-items: center; }
.custom-thumb { width: 7rem; height: auto; box-shadow: 0 6px 18px oklch(0.2 0.02 50 / 0.25); }
.review-pack { padding: 0.8rem 0; border-bottom: 1px solid oklch(0.28 0.03 55 / 0.15); }
.custom-cell .slot-name { color: var(--ink); }
.redeem-grid .react { color: #eadfca; border-color: #eadfca66; }
.claim-form { display: flex; gap: 0.6rem; margin: 0.4rem 0 1.4rem; }
.claim-form input { font: inherit; font-size: 1.2rem; letter-spacing: 0.15em; padding: 0.35rem 0.7rem; width: 10rem; text-transform: uppercase; }
.gift-flash { padding: 0.8rem 1rem; border: 1px solid var(--cinnabar); color: var(--cinnabar); letter-spacing: 0.08em; margin-bottom: 1rem; }
.gift-code { font-size: 1.15rem; letter-spacing: 0.15em; }
.reasons { margin: 0.2rem 0 0 1.2rem; font-size: 0.9rem; }
.review-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr)); gap: 1rem; margin: 0.8rem 0; }
.review-cell { display: grid; gap: 0.3rem; align-content: start; }
.review-cell .custom-thumb { width: 100%; }
.review-desc { font-size: 0.88rem; margin: 0; }
.flag { font-size: 0.8rem; color: var(--cinnabar); }
.admin-settings { display: grid; gap: 0.6rem; max-width: 26rem; margin-bottom: 1.5rem; }
.admin-settings input, .admin-settings textarea, .review-cell select, .maker-acts input { font: inherit; padding: 0.3rem 0.5rem; }
.share-head { display: flex; gap: 1rem; align-items: baseline; flex-wrap: wrap; }
.share-head select { font: inherit; font-size: 0.85rem; }
.member-acts .react.is-on { background: var(--cinnabar); color: #fff; }
.review-cell { min-width: 0; grid-template-columns: minmax(0, 1fr); }
.review-cell .custom-thumb { width: 100% !important; max-width: 100%; height: auto !important; }
.gift-grid .slot-name { color: var(--ink); }
.gift-grid { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.gift-grid .slot { width: 6.5rem; background: none; border: 0; padding: 0; cursor: pointer; display: grid; gap: 0.3rem; }