/* ============================================================
   星時電子 — 線上影像標註工具 (labelme 線上版)
   風格沿用站台暖色系，編輯器工作區採密集 app 式佈局
   ============================================================ */

:root {
    --bg-cream:        #faf9f5;
    --bg-warm:         #f4f3ee;
    --bg-card:         #ffffff;
    --border-soft:     #e8e6dc;
    --border-hover:    #d4d1c5;
    --text-primary:    #1a1915;
    --text-secondary:  #5a5750;
    --text-muted:      #8a877f;
    --accent:          #cc785c;
    --accent-hover:    #b8694e;
    --accent-soft:     #f3e7e0;
    --success:         #5b8a72;
    --danger:          #b5533f;
    --canvas-bg:       #26241f;
    --canvas-grid:     #322f29;
    --panel-bg:        #ffffff;
    --max-width:       1400px;
    --radius-sm:       8px;
    --radius-md:       12px;
    --radius-lg:       18px;
    --toolbar-h:       56px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
    font-family: "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-cream);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; transition: color .2s ease, opacity .2s ease; }

h1, h2, h3, h4 {
    font-family: "Noto Serif TC", "Songti TC", "PingFang TC", Georgia, serif;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.01em;
}

/* ============ Navigation ============ */
.nav {
    position: sticky; top: 0; z-index: 100;
    background-color: rgba(250, 249, 245, 0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
    max-width: var(--max-width); margin: 0 auto;
    padding: 14px 28px;
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 34px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { font-size: 15px; color: var(--text-secondary); font-weight: 500; }
.nav-links a:hover { color: var(--text-primary); }
.nav-cta {
    background-color: var(--text-primary); color: var(--bg-cream) !important;
    padding: 9px 18px; border-radius: 999px; font-size: 14px !important; font-weight: 500;
    transition: background-color .2s ease;
}
.nav-cta:hover { background-color: #000; }

/* ============ Slim header ============ */
.head {
    background: linear-gradient(180deg, var(--bg-cream) 0%, var(--bg-warm) 100%);
    border-bottom: 1px solid var(--border-soft);
}
.head-inner {
    max-width: var(--max-width); margin: 0 auto;
    padding: 22px 28px 20px;
    display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.head-eyebrow {
    display: inline-block; font-size: 12px; font-weight: 500; color: var(--accent);
    letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 12px;
    padding: 5px 13px; border: 1px solid var(--accent); border-radius: 999px;
    background-color: var(--accent-soft);
}
.head h1 { font-size: clamp(26px, 3.4vw, 38px); line-height: 1.12; font-weight: 500; }
.head h1 .accent { font-style: italic; color: var(--accent); }
.head-sub { font-size: 14.5px; color: var(--text-secondary); max-width: 640px; margin-top: 8px; }
.head-help { font-size: 13px; color: var(--text-muted); }
.head-help a { color: var(--accent-hover); font-weight: 500; }
.head-auth { display: flex; align-items: center; gap: 10px; }
.head-user { font-size: 14px; color: var(--text-secondary); font-weight: 500; }

/* ============ Editor shell ============ */
.editor {
    max-width: var(--max-width); margin: 18px auto; padding: 0 28px;
}
.editor-grid {
    display: grid;
    grid-template-columns: 168px 1fr 326px;
    grid-template-rows: var(--toolbar-h) 1fr;
    grid-template-areas:
        "toolbar toolbar toolbar"
        "films   canvas  panels";
    gap: 14px;
    height: calc(100vh - 150px);
    min-height: 560px;
}

/* ---- Toolbar ---- */
.toolbar {
    grid-area: toolbar;
    background-color: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    display: flex; align-items: center; gap: 8px;
    padding: 0 12px; overflow-x: auto;
}
.tb-group { display: flex; align-items: center; gap: 6px; }
.tb-sep { width: 1px; height: 28px; background-color: var(--border-soft); margin: 0 4px; flex-shrink: 0; }
.tb-label { font-size: 11.5px; color: var(--text-muted); letter-spacing: 0.04em; white-space: nowrap; }

.tool-btn {
    border: 1px solid var(--border-soft);
    background-color: var(--bg-cream);
    color: var(--text-secondary);
    font-family: inherit; font-size: 13px; font-weight: 500;
    padding: 7px 12px; border-radius: 999px; cursor: pointer; white-space: nowrap;
    transition: all .16s ease;
}
.tool-btn:hover { background-color: var(--accent-soft); color: var(--accent-hover); border-color: var(--accent-soft); }
.tool-btn.active { background-color: var(--accent); color: #fff; border-color: var(--accent); }
.tool-btn:disabled { opacity: .4; cursor: not-allowed; }

.icon-btn {
    border: 1px solid var(--border-soft); background-color: var(--bg-cream);
    color: var(--text-secondary); font-family: inherit; font-size: 14px; font-weight: 600;
    width: 34px; height: 34px; border-radius: 8px; cursor: pointer; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center; transition: all .16s ease;
}
.icon-btn:hover { background-color: var(--accent-soft); color: var(--accent-hover); border-color: var(--accent-soft); }
.icon-btn:disabled { opacity: .4; cursor: not-allowed; }

.zoom-readout {
    font-family: "JetBrains Mono", "Consolas", monospace; font-size: 12.5px;
    color: var(--text-secondary); min-width: 48px; text-align: center; font-variant-numeric: tabular-nums;
}

.slider-wrap { display: flex; align-items: center; gap: 6px; }
.slider-wrap input[type=range] { width: 78px; accent-color: var(--accent); }

/* ---- Filmstrip ---- */
.films {
    grid-area: films;
    background-color: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    display: flex; flex-direction: column; overflow: hidden;
}
.films-head {
    padding: 12px 12px 10px; border-bottom: 1px solid var(--border-soft);
}
.films-title { font-size: 11.5px; font-weight: 600; color: var(--text-muted); letter-spacing: 0.06em; text-transform: uppercase; }
.films-count { font-size: 11px; color: var(--text-muted); margin-top: 3px; }
.films-list { flex: 1; overflow-y: auto; padding: 10px; display: flex; flex-direction: column; gap: 8px; }
.film {
    position: relative; border: 2px solid transparent; border-radius: var(--radius-sm);
    overflow: hidden; cursor: pointer; background-color: var(--bg-warm);
    transition: border-color .16s ease;
}
.film:hover { border-color: var(--border-hover); }
.film.active { border-color: var(--accent); }
.film img { display: block; width: 100%; height: 88px; object-fit: contain; background-color: var(--canvas-bg); }
.film-name {
    font-size: 11px; color: var(--text-secondary); padding: 5px 7px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.film-badge {
    position: absolute; top: 5px; right: 5px;
    background-color: var(--accent); color: #fff; font-size: 10px; font-weight: 600;
    min-width: 18px; height: 18px; line-height: 18px; text-align: center;
    border-radius: 9px; padding: 0 5px;
}
.films-empty { padding: 22px 14px; text-align: center; color: var(--text-muted); font-size: 12.5px; }

/* ---- Canvas ---- */
.canvas-wrap {
    grid-area: canvas; position: relative;
    background-color: var(--canvas-bg);
    background-image:
        linear-gradient(var(--canvas-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--canvas-grid) 1px, transparent 1px);
    background-size: 26px 26px;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    overflow: hidden;
}
#stage { display: block; width: 100%; height: 100%; cursor: crosshair; touch-action: none; }
.canvas-hint {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    flex-direction: column; gap: 10px; pointer-events: none; text-align: center; padding: 24px;
}
.canvas-hint .big { font-family: "Noto Serif TC", serif; font-size: 18px; color: #d9d4c4; font-weight: 600; }
.canvas-hint .small { font-size: 13px; color: #8f897a; }
.canvas-status {
    position: absolute; left: 12px; bottom: 10px;
    font-family: "JetBrains Mono", "Consolas", monospace; font-size: 11.5px;
    color: #c9c3b2; background-color: rgba(0,0,0,0.35); padding: 4px 9px; border-radius: 6px;
    pointer-events: none; font-variant-numeric: tabular-nums;
}

/* ---- Right panels ---- */
.panels {
    grid-area: panels;
    display: flex; flex-direction: column; gap: 11px; overflow-y: auto; padding-right: 4px;
}
.panel {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}
.shortcut-table { width: 100%; border-collapse: collapse; font-size: 13.5px; color: var(--text-secondary); }
.shortcut-table td { padding: 7px 0; border-bottom: 1px solid var(--border-soft); }
.shortcut-table tr:last-child td { border-bottom: none; }
.shortcut-table td:last-child { text-align: right; font-family: "JetBrains Mono", "Consolas", monospace; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.panel-head {
    padding: 10px 14px; border-bottom: 1px solid var(--border-soft);
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.panel-title { font-size: 11.5px; font-weight: 600; color: var(--text-muted); letter-spacing: 0.06em; text-transform: uppercase; }
.panel-body { padding: 11px 14px; }

/* shape list */
.shape-list { display: flex; flex-direction: column; gap: 6px; max-height: 220px; overflow-y: auto; }
#projectList { max-height: 156px; }
.shape-row {
    display: flex; align-items: center; gap: 9px;
    padding: 7px 9px; border: 1px solid var(--border-soft); border-radius: 8px;
    cursor: pointer; transition: all .14s ease; background-color: var(--bg-card);
}
.shape-row:hover { background-color: var(--bg-warm); }
.shape-row.active { border-color: var(--accent); background-color: var(--accent-soft); }
.shape-swatch { width: 13px; height: 13px; border-radius: 4px; flex-shrink: 0; border: 1px solid rgba(0,0,0,0.12); }
.shape-meta { flex: 1; min-width: 0; }
.shape-label { font-size: 13px; font-weight: 500; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.shape-type { font-size: 10.5px; color: var(--text-muted); }
.shape-row input[type=checkbox] { accent-color: var(--accent); cursor: pointer; }
.shape-x {
    border: none; background: transparent; color: var(--text-muted); cursor: pointer;
    font-size: 16px; line-height: 1; padding: 2px 4px; border-radius: 5px;
}
.shape-x:hover { color: var(--danger); background-color: var(--accent-soft); }
.empty-note { font-size: 12.5px; color: var(--text-muted); padding: 6px 2px; }

/* unique labels */
.label-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.label-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 11px; border-radius: 999px; background-color: var(--bg-warm);
    font-size: 12.5px; color: var(--text-secondary); border: 1px solid var(--border-soft);
}
.label-chip .dot { width: 11px; height: 11px; border-radius: 50%; }

/* flags */
.flag-row { display: flex; align-items: center; gap: 8px; padding: 5px 0; font-size: 13px; color: var(--text-secondary); }
.flag-row input[type=checkbox] { accent-color: var(--accent); cursor: pointer; }
.flag-add { display: flex; gap: 7px; margin-top: 9px; }
.flag-add .fld { flex: 1; min-width: 0; }
.flag-add .btn { flex-shrink: 0; }

/* inputs */
.fld {
    width: 100%; border: 1px solid var(--border-soft); border-radius: 8px;
    padding: 9px 11px; font-size: 14px; font-family: inherit; color: var(--text-primary);
    background-color: var(--bg-card); transition: border-color .2s ease, box-shadow .2s ease;
}
.fld:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 18px; border-radius: 999px; font-size: 13.5px; font-weight: 500;
    font-family: inherit; border: 1px solid transparent; cursor: pointer; transition: all .18s ease;
    white-space: nowrap;
}
.btn-primary { background-color: var(--accent); color: #fff; }
.btn-primary:hover { background-color: var(--accent-hover); transform: translateY(-1px); }
.btn-dark { background-color: var(--text-primary); color: var(--bg-cream); }
.btn-dark:hover { background-color: #000; transform: translateY(-1px); }
.btn-ghost { background-color: transparent; color: var(--text-primary); border-color: var(--border-hover); }
.btn-ghost:hover { background-color: var(--bg-warm); border-color: var(--text-primary); }
.btn-sm { padding: 8px 13px; font-size: 12.5px; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none !important; }
.btn-block { width: 100%; }
.btn-stack { display: flex; flex-direction: column; gap: 9px; }

/* ============ Modal ============ */
.modal-mask {
    position: fixed; inset: 0; z-index: 500; display: none;
    align-items: center; justify-content: center; padding: 20px;
    background-color: rgba(26, 25, 21, 0.42); backdrop-filter: blur(3px);
}
.modal-mask.show { display: flex; }
.modal {
    width: 100%; max-width: 420px; background-color: var(--bg-card);
    border-radius: var(--radius-lg); border: 1px solid var(--border-soft);
    box-shadow: 0 24px 60px -28px rgba(26,25,21,0.5); overflow: hidden;
}
.modal-head { padding: 18px 22px 14px; border-bottom: 1px solid var(--border-soft); }
.modal-head h3 { font-size: 18px; font-weight: 600; }
.modal-body { padding: 18px 22px; display: flex; flex-direction: column; gap: 14px; }
.modal-field label { display: block; font-size: 12px; color: var(--text-muted); letter-spacing: 0.03em; margin-bottom: 6px; }
.modal-foot { padding: 14px 22px 20px; display: flex; gap: 10px; justify-content: flex-end; }
.recent-labels { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.recent-labels .pill {
    padding: 5px 12px; border-radius: 999px; background-color: var(--bg-warm);
    font-size: 12.5px; color: var(--text-secondary); border: 1px solid var(--border-soft);
    cursor: pointer; transition: all .14s ease;
}
.recent-labels .pill:hover { background-color: var(--accent-soft); color: var(--accent-hover); border-color: var(--accent-soft); }
.modal-flags { display: flex; flex-direction: column; gap: 4px; }

/* ============ Footer ============ */
.footer { background-color: var(--text-primary); color: #cdcabe; padding: 50px 28px 28px; margin-top: 36px; }
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-grid {
    display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px;
    padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand h3 { color: #fff; font-size: 24px; margin-bottom: 12px; font-weight: 500; }
.footer-brand p { color: #97948b; font-size: 13.5px; margin: 0; line-height: 1.6; max-width: 320px; }
.footer-col h5 {
    font-family: "Noto Sans TC", sans-serif; font-size: 12.5px; font-weight: 600; color: #fff;
    text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 16px 0;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #97948b; font-size: 13.5px; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; flex-wrap: wrap; gap: 12px; }
.footer-bottom span { color: #6b6862; font-size: 12.5px; }

/* ============ Responsive ============ */
@media (max-width: 1080px) {
    .editor-grid {
        grid-template-columns: 1fr;
        grid-template-rows: var(--toolbar-h) 320px 1fr auto;
        grid-template-areas: "toolbar" "canvas" "panels" "films";
        height: auto;
    }
    .films-list { flex-direction: row; overflow-x: auto; }
    .film { width: 130px; flex-shrink: 0; }
    .canvas-wrap { height: 60vh; min-height: 360px; }
}
@media (max-width: 900px) {
    .nav-links a:not(.nav-cta) { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 540px) {
    .nav-inner { padding: 12px 18px; }
    .editor { padding: 0 16px; }
    .footer-grid { grid-template-columns: 1fr; }
}