/* Aktzeichnen — "atelier" design system.
   Tokens/spec: design_handoff_aktzeichnen/README.md (design session, 2026-07-28).
   Calm, unhurried, paper-and-terracotta — deliberately not a SaaS look. */

:root {
    --bg: oklch(97% 0.012 75);
    --ink: oklch(24% 0.02 60);
    --muted: oklch(45% 0.02 60);
    --muted-soft: oklch(55% 0.02 60);
    --card: oklch(99% 0.006 75);
    --border: oklch(88% 0.02 70);
    --border-soft: oklch(90% 0.015 75);
    --input-border: oklch(85% 0.02 70);
    --dot-hollow: oklch(85% 0.02 70);
    --accent: oklch(58% 0.13 40);
    --accent-hover: oklch(48% 0.13 40);
    --accent-soft: oklch(93% 0.03 40);
    --warn: oklch(50% 0.1 30);
    --track: oklch(90% 0.02 70);
    --radius: 3px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: 'Work Sans', sans-serif;
    font-size: 14px;
    line-height: 1.45;
    text-transform: lowercase;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

h1 {
    font-family: 'Source Serif 4', serif;
    font-weight: 600;
    font-size: 28px;
    margin: 0 0 28px;
}

h2 {
    font-family: 'Source Serif 4', serif;
    font-weight: 600;
    font-size: 16.5px;
    margin: 0 0 14px;
}

button { font-family: inherit; }

/* ---- page layout ---- */

.page {
    max-width: 880px;
    margin: 0 auto;
    padding: 34px 24px 60px;
}

.page-wide { max-width: 1040px; }
.page-medium { max-width: 980px; }
.page-narrow { max-width: 520px; }
.page-slim { max-width: 460px; }
.page-room { max-width: 560px; }

.back-link {
    display: inline-block;
    font-size: 12.5px;
    color: var(--muted);
    margin-bottom: 20px;
}

.page-description {
    font-size: 13px;
    color: var(--muted);
    margin: -20px 0 28px;
}

/* ---- auth screens (logged out, centered card) ---- */

.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 36px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, .08);
}

.auth-brand {
    text-align: center;
    margin-bottom: 26px;
}

.auth-brand .name {
    font-family: 'Source Serif 4', serif;
    font-size: 22px;
    font-weight: 600;
}

.auth-brand .tagline {
    font-size: 12.5px;
    font-style: italic;
    color: var(--muted);
    line-height: 1.5;
    margin-top: 10px;
}

.auth-brand .tagline-attr {
    font-size: 11.5px;
    color: var(--muted-soft);
    margin-top: 5px;
}

.auth-card h1 {
    font-size: 19px;
    margin: 0 0 10px;
}

.auth-hint {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.55;
    margin-bottom: 20px;
}

.auth-foot {
    text-align: center;
    margin-top: 18px;
    font-size: 12.5px;
}

.auth-divider {
    border-top: 1px solid var(--border-soft);
    padding-top: 16px;
    margin-top: 18px;
    font-size: 11.5px;
    color: var(--muted-soft);
    text-align: center;
}

/* ---- cards ---- */

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 26px;
}

.card-tight { padding: 16px 20px; }

/* ---- forms ---- */

.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.field:last-of-type { margin-bottom: 0; }
.field-label {
    font-size: 12.5px;
    color: var(--muted);
}
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; }

.field input[type="text"],
.field input[type="password"],
.field input[type="email"],
.field input[type="file"],
.field input[type="date"],
.field input[type="time"],
.field select,
.field textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--input-border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: 'Work Sans', sans-serif;
    background: var(--bg);
    color: var(--ink);
}

.field textarea { resize: vertical; }

details.admin-create {
    margin-bottom: 36px;
}
details.admin-create summary {
    cursor: pointer;
    list-style: none;
    font-weight: 600;
    font-size: 14px;
    color: var(--accent);
}
details.admin-create summary::-webkit-details-marker { display: none; }
details.admin-create summary::marker { content: ""; }
details.admin-create[open] summary { margin-bottom: 18px; }

.field-static {
    padding: 9px 12px;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--muted);
    background: oklch(95% 0.01 75);
}

.field-note {
    font-size: 12px;
    color: var(--muted);
    margin-top: 6px;
}

.field-error {
    font-size: 12.5px;
    color: var(--warn);
    margin: -8px 0 0;
}

form { margin: 0; }

/* ---- buttons ---- */

.btn {
    display: inline-block;
    font-family: 'Work Sans', sans-serif;
    font-size: 14px;
    font-weight: 600;
    padding: 11px 16px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    line-height: 1.2;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }

.btn-danger { background: var(--warn); color: #fff; }
.btn-danger:hover { filter: brightness(0.92); }

.btn-outline { background: transparent; color: var(--ink); border-color: var(--input-border); }
.btn-outline:hover { color: var(--ink); border-color: var(--muted); }

.btn-outline-accent { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-outline-accent:hover { color: var(--accent-hover); border-color: var(--accent-hover); }

.btn-block { display: block; width: 100%; }
.btn-sm { padding: 6px 14px; font-size: 12.5px; }
.btn-row { display: flex; gap: 10px; }
.btn-row .btn { flex: 1; }

.btn-text {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
}
.btn-text:hover { color: var(--accent-hover); }
.btn-text-muted { font-weight: 400; color: var(--muted); }
.btn-text-warn { color: var(--warn); }

/* ---- nav ---- */

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 44px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    flex-wrap: wrap;
}

.nav-brand {
    font-family: 'Source Serif 4', serif;
    font-size: 19px;
    font-weight: 600;
    color: var(--ink);
}
.nav-brand:hover { color: var(--ink); }

.nav-links {
    display: flex;
    gap: 28px;
    font-size: 13.5px;
    flex-wrap: wrap;
}

.nav-links a { color: var(--muted); }
.nav-links a.active {
    color: var(--ink);
    font-weight: 600;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 2px;
}

.nav-user {
    font-size: 13px;
    color: var(--muted);
    white-space: nowrap;
}
.nav-user a { color: var(--muted); }
.nav-logout {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    color: var(--muted);
    cursor: pointer;
    text-decoration: none;
}
.nav-logout:hover { color: var(--accent); }

/* ---- messages ---- */

.messages {
    list-style: none;
    margin: 0 0 24px;
    padding: 0;
    max-width: 880px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}
.messages.has-items { padding-top: 22px; }

.message {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 8px;
    font-size: 13px;
    line-height: 1.5;
}
.message-error { background: var(--accent-soft); color: var(--warn); }
.message-success { background: oklch(93% 0.03 130); color: oklch(40% 0.08 140); }

/* ---- section labels ---- */

.section-label {
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--accent);
    margin: 0 0 12px;
}
.section-label-muted { color: var(--muted); }

/* ---- timeline (Termine screens) ---- */

.timeline {
    position: relative;
    padding-left: 26px;
}
.timeline::before {
    content: "";
    position: absolute;
    left: 5px;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background: var(--dot-hollow);
}

.timeline-group { margin-bottom: 30px; }
.timeline-group:last-child { margin-bottom: 0; }
.timeline-items { display: flex; flex-direction: column; gap: 14px; }
.timeline-items.timeline-items-tight { gap: 10px; }

.timeline-item { position: relative; }
.timeline-item::before {
    content: "";
    position: absolute;
    left: -26px;
    top: 6px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--dot-hollow);
}
.timeline-item.timeline-item-active::before { background: var(--accent); }

.session-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
}

.session-card-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}

.session-title {
    font-family: 'Source Serif 4', serif;
    font-size: 16.5px;
    font-weight: 600;
}

.session-when { font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.session-meta { font-size: 13px; color: var(--muted); margin-top: 4px; }
.session-note { font-size: 12px; color: var(--muted); margin-top: 10px; font-style: italic; }

.session-flat {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
    padding: 12px 20px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.session-flat-label { font-size: 14px; }
.session-flat-aside { font-size: 12.5px; color: var(--muted); }

.session-action-row { display: flex; align-items: center; gap: 12px; margin-top: 12px; flex-wrap: wrap; }

.blocked-note {
    font-size: 12.5px;
    color: var(--muted);
    margin-top: 12px;
    padding: 10px 14px;
    background: oklch(93% 0.015 75);
    border-radius: var(--radius);
}

/* ---- capacity bar ---- */

.capacity { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 160px; }
.capacity-track {
    flex: 1;
    height: 5px;
    background: var(--track);
    border-radius: 3px;
    overflow: hidden;
}
.capacity-fill { height: 100%; background: var(--accent); }
.capacity-label { font-size: 12px; color: var(--muted); white-space: nowrap; }

.pill-full {
    font-size: 12.5px;
    color: var(--muted);
    border: 1px solid var(--input-border);
    padding: 6px 14px;
    border-radius: var(--radius);
}

/* ---- badges / pills (visibility, veto) ---- */

.pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11.5px;
    padding: 3px 10px;
    border-radius: 20px;
}
.pill-shared { background: var(--accent); color: #fff; font-weight: 600; }
.pill-private { color: var(--muted); border: 1px solid var(--input-border); }
.pill-vetoed { color: var(--warn); border: 1px dashed var(--warn); }

.badge-inline { display: flex; align-items: center; gap: 6px; }

.legend {
    display: flex;
    gap: 20px;
    margin-bottom: 26px;
    padding: 14px 18px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 12.5px;
    flex-wrap: wrap;
}
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-shared { color: var(--accent); }
.legend-private { color: var(--muted); }
.legend-vetoed { color: var(--warn); }

/* ---- confirm-on-click (details/summary, no JS required) ---- */

details.confirm { display: inline-block; }
details.confirm summary {
    list-style: none;
    cursor: pointer;
    font-size: 12.5px;
    color: var(--muted);
    text-decoration: underline;
}
details.confirm summary::-webkit-details-marker { display: none; }
details.confirm summary::marker { content: ""; }

.confirm-banner {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    padding: 10px 14px;
    background: var(--accent-soft);
    border-radius: var(--radius);
    font-size: 12.5px;
    flex-wrap: wrap;
}
.confirm-banner .btn-text { font-size: 12.5px; }

/* ---- admin dashboard ---- */

.admin-list { display: flex; flex-direction: column; gap: 10px; }

.admin-table { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.admin-table .admin-card { border: none; border-radius: 0; border-bottom: 1px solid var(--border-soft); }
.admin-table .admin-card:last-child { border-bottom: none; }

.admin-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-left: 3px solid transparent;
    border-radius: var(--radius);
    padding: 16px 20px 14px;
}
.admin-card--attention { border-left-color: var(--accent); }

.admin-row {
    display: grid;
    grid-template-columns: 140px 1fr 190px 150px;
    gap: 16px;
    align-items: center;
}

.admin-when { font-size: 13px; color: var(--muted); line-height: 1.4; }
.admin-status { font-size: 12px; }
.admin-status-attention { color: var(--accent); }
.admin-status-confirmed { font-size: 12.5px; font-weight: 600; color: var(--accent); }
.admin-status-muted { color: var(--muted); }
.admin-action { text-align: center; }

.admin-detail {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-soft);
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 12.5px;
}
.admin-detail-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: baseline; }
.admin-detail-label { color: var(--muted); min-width: 90px; }
.admin-detail-items { display: flex; gap: 8px; flex-wrap: wrap; }

.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    padding: 3px 6px 3px 10px;
    border-radius: 20px;
    border: 1px solid var(--input-border);
    background: var(--bg);
}
.tag-remove {
    background: none;
    border: none;
    padding: 2px;
    cursor: pointer;
    color: var(--muted);
    font-size: 12px;
    line-height: 1;
}
.tag-remove:hover { color: var(--warn); }

.tag-add {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 20px;
    border: 1px dashed var(--accent);
    color: var(--accent);
    background: none;
    cursor: pointer;
}
.tag-add:hover { background: var(--accent-soft); }

/* ---- gallery ---- */

.upload-box {
    background: var(--card);
    border: 1px dashed oklch(80% 0.02 70);
    border-radius: var(--radius);
    padding: 22px;
    text-align: center;
    margin-bottom: 36px;
}
.upload-box-tight { padding: 16px; margin-bottom: 0; }
.upload-box-title { font-size: 14px; margin-bottom: 6px; }
.upload-box-hint { font-size: 12.5px; color: var(--muted); margin-top: 6px; }

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 20px;
}

.gallery-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.gallery-thumb-link { display: block; cursor: zoom-in; }
.gallery-thumb {
    aspect-ratio: 4 / 3;
    width: 100%;
    object-fit: cover;
    display: block;
    background: var(--track);
}

.gallery-body { padding: 14px 16px; }
.gallery-body .pill { margin-bottom: 10px; }
.gallery-uploader { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.gallery-meta-line { font-size: 11.5px; color: var(--muted); padding: 10px 12px; }
.gallery-controls { display: flex; gap: 10px; margin-top: 8px; align-items: center; flex-wrap: wrap; }
.gallery-vote { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink); }
.gallery-vote-btn { background: none; border: none; cursor: pointer; padding: 0; font: inherit; }
.gallery-vote .star-on { color: var(--accent); }
.gallery-vote .star-off { color: oklch(70% 0.02 70); }

/* ---- lightbox ---- */

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(30, 26, 20, 0.82);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 50;
    padding: 24px;
}
.lightbox.is-open { display: flex; }
.lightbox-box {
    width: min(680px, 100%);
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
}
.lightbox-box img {
    display: block;
    width: 100%;
    max-height: 76vh;
    object-fit: contain;
    background: #000;
}
.lightbox-foot {
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.lightbox-caption { font-size: 13.5px; font-weight: 600; }
.lightbox-close { font-size: 12.5px; color: var(--muted); cursor: pointer; background: none; border: none; }

/* ---- account settings ---- */

.settings-links { display: flex; flex-direction: column; gap: 12px; margin-top: 26px; }
.settings-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--ink);
}
.settings-link:hover { color: var(--ink); border-color: var(--muted-soft); }
.settings-link-arrow { font-size: 12.5px; color: var(--muted); }

/* ---- pagination ---- */

.pagination {
    display: flex;
    gap: 14px;
    align-items: center;
    justify-content: center;
    margin: 20px 0 0;
    font-size: 12.5px;
    color: var(--muted);
}

/* ---- room detail ---- */

.detail-field { display: flex; flex-direction: column; gap: 4px; }
.detail-field-label {
    font-size: 12px;
    letter-spacing: 0.06em;
    color: var(--muted);
}
.detail-field-value { font-size: 14.5px; line-height: 1.5; }

/* ---- responsive ---- */

@media (max-width: 720px) {
    .nav { padding: 14px 20px; }
    .page { padding: 24px 16px 48px; }
    .admin-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .admin-action { text-align: left; }
    .admin-action .btn { display: inline-block; width: auto; }
}