/* Album Collab admin
   A dark gallery surface so artwork reads true, one amber accent,
   hairline rules everywhere else. */

:root {
    --ink: #101013;
    --panel: #17171c;
    --panel-2: #1d1d23;
    --line: #2b2b33;
    --text: #ece9e2;
    --muted: #908d85;
    --accent: #d9a441;
    --accent-ink: #1a1505;
    --danger: #d96459;
    --ok: #7fb37a;
    --radius: 6px;
    --shadow: 0 10px 30px rgba(0, 0, 0, .45);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--ink);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.55;
}

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

h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -.01em; margin: 0 0 .75rem; }
h2 { font-size: 1.1rem; font-weight: 650; margin: 0 0 .5rem; }
h3 { font-size: .95rem; font-weight: 650; margin: 0 0 .35rem; }

.muted { color: var(--muted); }

.wordmark {
    margin: 0;
    font-size: .8rem;
    font-weight: 750;
    letter-spacing: .32em;
    color: var(--text);
}
.wordmark span { color: var(--accent); }
.wordmark a { color: inherit; }
.wordmark a:hover { text-decoration: none; color: var(--accent); }

/* Layout */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .85rem 1.25rem;
    border-bottom: 1px solid var(--line);
    background: var(--panel);
    position: sticky;
    top: 0;
    z-index: 30;
}
.topbar nav { display: flex; gap: .5rem; }

.shell {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.25rem;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.1rem 1.25rem;
    margin-bottom: 1.25rem;
}

/* Buttons and forms */
.btn {
    appearance: none;
    border: 1px solid var(--line);
    background: var(--panel-2);
    color: var(--text);
    font: inherit;
    font-weight: 600;
    padding: .5rem .9rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color .15s ease, background .15s ease;
}
.btn:hover { border-color: var(--accent); }
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .tab:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
.btn-accent { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-accent:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; }
.btn-danger { border-color: var(--danger); color: var(--danger); background: transparent; }
.btn-tiny { padding: .15rem .55rem; font-size: .78rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

input[type="text"], input[type="password"], input[type="number"], select, textarea {
    background: var(--ink);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--text);
    font: inherit;
    padding: .5rem .65rem;
}
input[type="file"] { color: var(--muted); font-size: .85rem; max-width: 100%; }
textarea { width: 100%; min-height: 70px; resize: vertical; }

.inline-form { display: flex; gap: .65rem; align-items: center; }
.inline-form.wrap { flex-wrap: wrap; }
.inline-form input[type="text"] { flex: 1 1 220px; }
.inline-label { display: inline-flex; align-items: center; gap: .45rem; color: var(--muted); font-size: .85rem; }
.inline-label input[type="number"] { width: 4.5rem; }

.form-error { color: var(--danger); font-size: .85rem; margin: .5rem 0 0; }

/* Login */
.login-body { display: grid; place-items: center; min-height: 100vh; padding: 1rem; }
.login-card {
    width: min(380px, 100%);
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}
.login-card h1 { margin-top: 1.25rem; }
.login-card label { display: block; margin: .9rem 0 .3rem; font-size: .85rem; color: var(--muted); }
.login-card input { width: 100%; }
.login-card .btn { margin-top: 1.25rem; }

/* Project list */
.project-list { margin-top: 1.25rem; display: grid; gap: .6rem; }
.project-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .75rem;
    padding: .8rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel-2);
}
.project-row .name { font-weight: 650; font-size: 1.02rem; }
.project-row .meta { color: var(--muted); font-size: .82rem; }
.project-row .spacer { flex: 1; }

/* Status pills */
.pill {
    display: inline-block;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: .18rem .55rem;
    border-radius: 99px;
    border: 1px solid var(--line);
    color: var(--muted);
}
.pill.draft { color: var(--muted); }
.pill.awaiting_feedback { color: var(--accent); border-color: var(--accent); }
.pill.feedback_received { color: var(--ok); border-color: var(--ok); }
.pill.archived { color: #6c6a64; text-decoration: line-through; }

/* Tabs */
.tabs { display: flex; gap: .35rem; border-bottom: 1px solid var(--line); margin-bottom: 1.25rem; flex-wrap: wrap; }
.tab {
    appearance: none;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--muted);
    font: inherit;
    font-weight: 650;
    padding: .55rem .8rem;
    cursor: pointer;
}
.tab:hover { color: var(--text); }
.tab.is-active { color: var(--text); border-bottom-color: var(--accent); }
.tab-pane { display: none; }
.tab-pane.is-active { display: block; }

.project-head { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.share-line { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; margin: 0; font-size: .85rem; word-break: break-all; }

/* Generation cards */
.gen-card { margin-bottom: 1.5rem; }
.gen-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .8rem;
    margin-bottom: .9rem;
}
.gen-head h2 { margin: 0; }
.gen-head .grow { flex: 1; }
.gen-controls { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }

.upload-zone { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; margin-bottom: 1rem; }

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: .9rem;
}
.image-card {
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}
.image-card.is-selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.image-card .frame { position: relative; cursor: zoom-in; }
.image-card img.cover { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; }
.image-card .badge {
    position: absolute;
    top: .4rem;
    left: .4rem;
    background: var(--accent);
    color: var(--accent-ink);
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .05em;
    padding: .12rem .45rem;
    border-radius: 3px;
}
.image-card .card-body { padding: .55rem .6rem .7rem; }
.image-card details { font-size: .82rem; }
.image-card summary { cursor: pointer; color: var(--muted); }
.root-checklist { margin: .5rem 0; display: grid; gap: .25rem; max-height: 170px; overflow: auto; }
.root-checklist label { display: flex; align-items: center; gap: .4rem; font-size: .8rem; }
.root-checklist img { width: 22px; height: 22px; border-radius: 3px; object-fit: cover; }
.card-actions { display: flex; gap: .4rem; margin-top: .45rem; }

.root-strip { display: flex; gap: .25rem; flex-wrap: wrap; padding: .45rem .6rem 0; min-height: 1.4rem; }
.root-strip img { width: 26px; height: 26px; border-radius: 3px; object-fit: cover; border: 1px solid var(--line); }
.root-strip .none { color: var(--muted); font-size: .72rem; }

/* Response block */
.response-block { margin-top: 1rem; border-top: 1px dashed var(--line); padding-top: .9rem; }
.response-block .sel { margin: .4rem 0; display: flex; gap: .6rem; align-items: flex-start; }
.response-block .sel img { width: 56px; height: 56px; object-fit: cover; border-radius: 4px; border: 1px solid var(--line); }
.note { background: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); padding: .55rem .7rem; font-size: .88rem; }

/* Root pool grid */
.root-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: .9rem;
}
.root-card { background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.root-card img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; cursor: zoom-in; }
.root-card .card-body { padding: .5rem .6rem .65rem; }
.root-card .label { font-weight: 650; font-size: .88rem; }
.root-card .intro { font-size: .72rem; color: var(--accent); }
.root-card .orig { font-size: .72rem; color: var(--muted); }

/* Lineage board: generations are grid rows, images are columns */
.lineage-board { position: relative; overflow-x: auto; padding-bottom: 1rem; }
.lineage-inner { position: relative; min-width: min-content; }
.lineage-svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.lineage-svg path { fill: none; stroke: #3a3a44; stroke-width: 1.25; }
.lineage-svg path.from-selected { stroke: var(--accent); stroke-width: 2; }

.lineage-row {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 150px;
    gap: 1.4rem;
    align-items: start;
    padding: 1.1rem 0 1.6rem 9.5rem;
    border-bottom: 1px solid var(--line);
    position: relative;
}
.lineage-row .row-label {
    position: absolute;
    left: 0;
    top: 1.2rem;
    width: 8.5rem;
    font-size: .72rem;
    font-weight: 750;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--muted);
}
.lineage-row .row-label .pill { display: block; width: max-content; margin-top: .35rem; }

.lineage-node { position: relative; z-index: 2; text-align: center; }
.lineage-node .cover-wrap {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    background: var(--panel-2);
    transition: border-color .15s ease, transform .15s ease;
}
.lineage-node .cover-wrap:hover { border-color: var(--accent); transform: translateY(-2px); }
.lineage-node.is-selected .cover-wrap { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.lineage-node img.cover { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; }
.lineage-node .mini-roots { display: flex; justify-content: center; gap: .2rem; margin-top: .35rem; flex-wrap: wrap; }
.lineage-node .mini-roots img { width: 20px; height: 20px; border-radius: 3px; object-fit: cover; border: 1px solid var(--line); }
.lineage-node .tag {
    display: inline-block;
    margin-top: .3rem;
    font-size: .66rem;
    font-weight: 800;
    letter-spacing: .08em;
    color: var(--accent);
}
.lineage-node.is-dim { opacity: .22; }
.lineage-node .root-label { font-size: .7rem; color: var(--muted); margin-top: .3rem; word-break: break-word; }

/* Filter tab */
.filter-group { margin-bottom: 1.25rem; }
.filter-group h3 { color: var(--muted); text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; }

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(8, 8, 10, .82);
    display: grid;
    place-items: center;
    padding: 1rem;
    z-index: 60;
}
.modal-card {
    position: relative;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    max-width: 880px;
    width: 100%;
    max-height: 92vh;
    overflow: auto;
    padding: 1.4rem;
    box-shadow: var(--shadow);
}
.modal-close {
    position: absolute;
    top: .5rem;
    right: .6rem;
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1.6rem;
    cursor: pointer;
    line-height: 1;
}
.modal-close:hover { color: var(--text); }
.modal-cover { width: 100%; max-width: 480px; border-radius: var(--radius); display: block; margin: 0 auto 1rem; }
.modal-grid { display: grid; gap: 1rem; }
.modal-roots { display: flex; gap: .6rem; flex-wrap: wrap; }
.modal-roots .chip {
    display: flex;
    align-items: center;
    gap: .45rem;
    border: 1px solid var(--line);
    border-radius: 99px;
    padding: .2rem .7rem .2rem .25rem;
    font-size: .8rem;
}
.modal-roots .chip img { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }

/* Toast */
.toast {
    position: fixed;
    left: 50%;
    bottom: 1.4rem;
    transform: translateX(-50%);
    background: var(--panel-2);
    border: 1px solid var(--accent);
    color: var(--text);
    padding: .6rem 1.1rem;
    border-radius: 99px;
    font-size: .88rem;
    z-index: 80;
    box-shadow: var(--shadow);
}
.toast.is-error { border-color: var(--danger); }

@media (max-width: 700px) {
    .shell { padding: .8rem; }
    .lineage-row { padding-left: 0; padding-top: 2.6rem; }
    .lineage-row .row-label { top: .6rem; width: auto; display: flex; gap: .6rem; align-items: center; }
    .lineage-row .row-label .pill { margin-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}