:root {
    --bg: #f3efe7;
    --surface: rgba(255, 255, 255, 0.84);
    --surface-strong: #ffffff;
    --ink: #191815;
    --muted: #6d675e;
    --line: rgba(25, 24, 21, 0.12);
    --accent: #2b5443;
    --accent-soft: rgba(43, 84, 67, 0.12);
    --success: #255b3a;
    --error: #8a3d2a;
    --shadow: 0 20px 60px rgba(26, 23, 18, 0.12);
    --radius: 22px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(109, 103, 94, 0.15), transparent 30%),
        linear-gradient(180deg, #f8f4ee 0%, #eee7db 100%);
    font-family: "PingFang SC", "Noto Sans SC", "Helvetica Neue", sans-serif;
}

body.lightbox-open {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    width: 100%;
}

.theme-shell,
.theme-public {
    min-height: 100vh;
}

.admin-header,
.selection-header {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-start;
    padding: 28px 32px 0;
}

.page-wrap,
.public-shell,
.selection-shell {
    padding: 24px 32px 40px;
}

.page-head,
.header-actions,
.stack-line,
.selection-toolbar,
.dialog-actions,
.row-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.page-head {
    justify-content: space-between;
    margin-bottom: 18px;
}

.eyebrow {
    margin: 0 0 6px;
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
}

h1,
h2,
h3,
p {
    margin: 0;
}

.panel,
.hero-card,
.submit-dialog form,
.stat-card {
    background: var(--surface);
    backdrop-filter: blur(14px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.panel,
.hero-card,
.submit-dialog form {
    padding: 24px;
}

.auth-panel,
.hero-card {
    max-width: 560px;
    margin: 10vh auto 0;
}

.entry-note {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    color: var(--muted);
}

.example-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.example-card {
    padding: 14px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--line);
}

.example-card strong {
    display: block;
    margin-bottom: 6px;
}

.example-card p,
.stat-help {
    color: var(--muted);
    font-size: 13px;
}

.compact-panel {
    margin-bottom: 18px;
}

.stack-form {
    display: grid;
    gap: 16px;
}

.stack-form.compact {
    margin-top: 20px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

label,
.comment-box {
    display: grid;
    gap: 8px;
    font-size: 14px;
    color: var(--muted);
}

input,
select,
textarea,
button {
    font: inherit;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.88);
    padding: 12px 14px;
    color: var(--ink);
}

textarea {
    resize: vertical;
}

.primary-button,
.secondary-button,
.choice-button,
.link-button {
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    transition: 160ms ease;
}

.primary-button {
    background: var(--ink);
    color: #fff;
    padding: 12px 18px;
}

.secondary-button {
    background: var(--accent-soft);
    color: var(--accent);
    padding: 12px 18px;
}

.choice-button,
.link-button {
    background: transparent;
    color: var(--muted);
    padding: 8px 12px;
}

.primary-button:hover,
.secondary-button:hover,
.choice-button:hover,
.link-button:hover {
    transform: translateY(-1px);
}

.notice {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--line);
}

.notice.success {
    color: var(--success);
}

.notice.error {
    color: var(--error);
}

.project-table,
.project-row {
    display: grid;
    grid-template-columns: 2.4fr 1fr 0.8fr 0.8fr 0.8fr 1fr;
    gap: 16px;
    align-items: center;
}

.project-row {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
}

.project-row:last-child {
    border-bottom: 0;
}

.project-row-head {
    color: var(--muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}

.stat-card {
    padding: 20px;
}

.stat-card span,
.stat-inline span,
.save-state,
.deadline,
.submission-meta,
.small-note,
small {
    color: var(--muted);
    font-size: 13px;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 18px;
}

.admin-grid {
    margin-top: 16px;
}

.image-card {
    background: var(--surface-strong);
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
}

.image-frame {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #ddd5c9;
    border: 0;
    padding: 0;
    width: 100%;
    cursor: pointer;
    appearance: none;
}

.image-frame img {
    height: 100%;
    object-fit: cover;
}

.image-code {
    position: absolute;
    left: 12px;
    bottom: 12px;
    background: rgba(25, 24, 21, 0.78);
    color: #fff;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
}

.image-open-chip {
    position: absolute;
    right: 12px;
    top: 12px;
    background: rgba(255, 255, 255, 0.88);
    color: var(--ink);
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
}

.image-meta,
.choice-row,
.submission-meta {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.image-meta,
.choice-row,
.comment-box,
.save-state,
.small-note {
    padding: 10px 14px;
}

.choice-row {
    padding-top: 0;
}

.selectable[data-selection-type="selected"] {
    outline: 2px solid rgba(37, 91, 58, 0.45);
}

.selectable[data-selection-type="backup"] {
    outline: 2px solid rgba(43, 84, 67, 0.3);
}

.choice-button.is-active {
    background: var(--accent-soft);
    color: var(--accent);
}

.pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 56px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(25, 24, 21, 0.08);
    font-size: 12px;
}

.checkbox-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.checkbox {
    grid-auto-flow: column;
    justify-content: flex-start;
    align-items: center;
}

.checkbox input[type="checkbox"] {
    width: auto;
}

.selection-header {
    position: sticky;
    top: 0;
    z-index: 10;
    padding-bottom: 18px;
    margin-bottom: 20px;
    backdrop-filter: blur(18px);
    background: linear-gradient(180deg, rgba(243, 239, 231, 0.95), rgba(243, 239, 231, 0.72));
    border-bottom: 1px solid var(--line);
}

.stat-inline strong {
    display: block;
}

.note-box {
    margin-top: 14px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.65);
}

.submit-dialog {
    border: 0;
    padding: 0;
    background: transparent;
}

.submit-dialog::backdrop {
    background: rgba(20, 18, 15, 0.35);
}

.lightbox-shell {
    position: fixed;
    inset: 0;
    z-index: 60;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(13, 12, 10, 0.72);
    backdrop-filter: blur(16px);
}

.lightbox-panel {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    height: 100vh;
    padding: 22px;
    overflow-anchor: none;
    overscroll-behavior: contain;
}

.lightbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 18px 22px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.lightbox-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lightbox-body {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr) 64px minmax(280px, 360px);
    gap: 18px;
    align-items: stretch;
    margin-top: 18px;
    min-height: 0;
}

.lightbox-stage,
.lightbox-sidebar {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 28px;
}

.lightbox-stage {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 20px;
    min-height: 0;
    background:
        radial-gradient(circle at top, rgba(255, 255, 255, 0.12), transparent 42%),
        rgba(17, 15, 12, 0.62);
}

.lightbox-stage::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at center, transparent 42%, rgba(8, 8, 8, 0.2) 100%);
    pointer-events: none;
}

.lightbox-loading {
    position: absolute;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.88);
    font-size: 12px;
    letter-spacing: 0.08em;
    z-index: 2;
}

.lightbox-stage.is-zoomed {
    cursor: grab;
}

.lightbox-stage.is-zoomed:active {
    cursor: grabbing;
}

.lightbox-media {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    will-change: transform, opacity;
}

.lightbox-media img {
    max-width: 100%;
    max-height: calc(100vh - 220px);
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 18px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
    transform-origin: center center;
    transition: transform 180ms ease;
}

.lightbox-sidebar {
    padding: 22px;
    background: rgba(255, 255, 255, 0.86);
    color: var(--ink);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.zoom-toolbar,
.lightbox-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.zoom-toolbar {
    margin-bottom: 14px;
}

.lightbox-help {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    display: grid;
    gap: 8px;
}

.lightbox-strip {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 120px;
    gap: 12px;
    overflow-x: auto;
    margin-top: 18px;
    padding: 12px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(14px);
    scrollbar-width: thin;
    scroll-snap-type: x proximity;
    overflow-anchor: none;
}

.strip-thumb {
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px;
    color: rgba(255, 255, 255, 0.84);
    cursor: pointer;
    text-align: left;
    scroll-snap-align: center;
    transition: 180ms ease;
}

.strip-thumb img {
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 12px;
}

.strip-thumb span {
    display: block;
    margin-top: 8px;
    font-size: 12px;
}

.strip-thumb.is-active {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-1px);
}

.lightbox-nav {
    align-self: center;
    height: 64px;
    width: 64px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    color: var(--ink);
    font-size: 34px;
    cursor: pointer;
}

@media (max-width: 900px) {
    .admin-header,
    .selection-header,
    .page-wrap,
    .public-shell,
    .selection-shell {
        padding-left: 18px;
        padding-right: 18px;
    }

    .form-grid,
    .stats-grid,
    .example-grid,
    .lightbox-body,
    .project-table,
    .project-row {
        grid-template-columns: 1fr;
    }

    .selection-header {
        position: static;
    }

    .lightbox-panel {
        display: block;
        height: 100dvh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding: 12px;
    }

    .lightbox-header {
        padding: 14px 16px;
        border-radius: 20px;
        flex-direction: column;
        align-items: flex-start;
    }

    .lightbox-meta {
        width: 100%;
        justify-content: space-between;
    }

    .lightbox-nav {
        display: none;
    }

    .lightbox-body {
        display: flex;
        flex-direction: column;
        gap: 14px;
        margin-top: 14px;
        min-height: auto;
    }

    .lightbox-stage {
        min-height: clamp(260px, 46vh, 430px);
        padding: 14px;
        border-radius: 22px;
        flex: 0 0 auto;
    }

    .lightbox-stage img {
        max-height: min(42vh, 380px);
    }

    .lightbox-loading {
        bottom: 12px;
    }

    .lightbox-sidebar {
        padding: 16px;
        position: static;
        border-radius: 24px;
        background: rgba(255, 255, 255, 0.94);
        box-shadow: 0 14px 40px rgba(16, 14, 12, 0.12);
    }

    .lightbox-sidebar::before {
        content: "";
        width: 46px;
        height: 5px;
        border-radius: 999px;
        background: rgba(25, 24, 21, 0.18);
        align-self: center;
    }

    .lightbox-strip {
        grid-auto-columns: 92px;
        margin-top: 14px;
        padding: 10px;
        border-radius: 18px;
    }

    .zoom-toolbar,
    .lightbox-actions {
        gap: 8px;
    }

    .zoom-toolbar .secondary-button,
    .lightbox-actions .choice-button {
        padding-left: 14px;
        padding-right: 14px;
    }
}