:root {
  color-scheme: dark;
  --bg: oklch(0.105 0 0);
  --nav: oklch(0.13 0 0);
  --panel: oklch(0.155 0 0);
  --raised: oklch(0.195 0 0);
  --line: oklch(0.28 0 0);
  --ink: oklch(0.96 0 0);
  --muted: oklch(0.73 0 0);
  --subtle: oklch(0.60 0 0);
  --primary: oklch(0.58 0.12 130);
  --primary-hover: oklch(0.64 0.12 130);
  --primary-soft: oklch(0.25 0.05 130);
  --warning: oklch(0.78 0.13 85);
  --danger: oklch(0.70 0.16 28);
  --danger-soft: oklch(0.23 0.04 28);
  --success: oklch(0.76 0.13 145);
  --focus: oklch(0.86 0.13 130);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --radius: 10px;
  --motion: 180ms cubic-bezier(.25,.8,.25,1);
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  font-kerning: normal;
}

* { box-sizing: border-box; }
html { min-width: 320px; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.5; }
button, input, select, textarea { font: inherit; }
button, select { cursor: pointer; }
a { color: inherit; text-decoration: none; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, summary:focus-visible, video:focus-visible {
  outline: 2px solid var(--focus); outline-offset: 3px;
}
input, select, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 8px;
  color: var(--ink); background: var(--raised); padding: 11px 12px;
}
input:hover, select:hover, textarea:hover { border-color: var(--subtle); }
textarea { min-height: 120px; resize: vertical; line-height: 1.55; }
label { font-weight: 600; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.16; letter-spacing: -0.025em; text-wrap: balance; }
h1 { font-size: 1.4rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1rem; }
small { font-size: .82rem; }
.muted { color: var(--muted); }
.section-label { font-size: .78rem; color: var(--muted); font-weight: 600; margin-bottom: var(--space-2); }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 10; padding: 10px 14px; background: var(--ink); color: var(--bg); }
.skip-link:focus { top: 12px; }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 44px; padding: 10px 16px; border-radius: 8px; border: 1px solid transparent;
  font-weight: 650; font-size: .92rem; line-height: 1.2; text-align: center;
  transition: background var(--motion), border-color var(--motion), color var(--motion), transform var(--motion);
}
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.button-primary { background: var(--primary); color: oklch(0.99 0 0); }
.button-primary:hover { background: var(--primary-hover); }
.button-quiet { background: var(--raised); color: var(--ink); border-color: var(--line); }
.button-quiet:hover { background: oklch(0.25 0 0); border-color: var(--subtle); }
.button-danger { background: var(--danger-soft); color: oklch(0.92 0.08 28); border-color: oklch(0.35 0.07 28); }
.button-danger:hover { background: oklch(0.31 0.06 28); }
.button-full { width: 100%; }
.text-button { background: none; border: 0; color: var(--muted); padding: 8px 0; text-align: left; }
.text-button:hover { color: var(--ink); }

.app-shell {
  display: grid; grid-template-columns: 184px minmax(260px, 310px) minmax(360px, 1fr) minmax(310px, 380px);
  min-height: 100vh; height: 100vh;
}
.side-nav, .queue-panel, .stage-panel, .inspector-panel { min-width: 0; }
.side-nav, .queue-panel, .inspector-panel { border-right: 1px solid var(--line); }
.side-nav { background: var(--nav); display: flex; flex-direction: column; padding: var(--space-6) var(--space-3) var(--space-4); }
.brand, .login-identity { display: flex; gap: var(--space-3); align-items: center; font-size: .92rem; font-weight: 500; letter-spacing: -.02em; }
.brand { padding: 0 var(--space-2); margin-bottom: var(--space-12); }
.brand small { display: block; color: var(--muted); font-weight: 400; letter-spacing: 0; margin-top: 2px; }
.identity-mark, .stage-empty-mark {
  display: grid; place-items: center; flex: none; width: 34px; height: 34px;
  color: var(--ink); background: var(--primary); border-radius: 8px; font-weight: 800;
}
.nav-links a { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); min-height: 44px; border-radius: 8px; padding: 9px 11px; color: var(--muted); font-size: .85rem; }
.nav-links a:hover, .nav-links .nav-active { background: var(--primary-soft); color: var(--ink); }
.nav-links span { font-variant-numeric: tabular-nums; color: var(--ink); }
.side-bottom { margin-top: auto; border-top: 1px solid var(--line); padding: var(--space-4) var(--space-2) 0; }
.side-user { color: var(--ink); font-size: .78rem; overflow-wrap: anywhere; margin-bottom: var(--space-2); }
.side-user small { display: block; color: var(--muted); margin-top: var(--space-1); }

.queue-panel { display: flex; flex-direction: column; background: var(--panel); }
.queue-head { padding: var(--space-8) var(--space-4) var(--space-4); border-bottom: 1px solid var(--line); }
.queue-head h1 { margin-bottom: var(--space-6); }
.count-pill { display: inline-block; vertical-align: middle; font-size: .76rem; background: var(--raised); padding: 4px 8px; border-radius: 99px; margin-left: var(--space-1); font-variant-numeric: tabular-nums; }
.account-filter { display: grid; gap: var(--space-2); margin-bottom: var(--space-4); }
.account-filter label { color: var(--muted); font-size: .78rem; }
.account-filter select { font-size: .82rem; min-height: 42px; }
.filter-submit { min-height: 38px; border: 0; color: var(--muted); background: none; text-align: left; padding: 0; font-size: .78rem; }
.filter-submit:hover { color: var(--ink); }
.js-ready .filter-submit { display: none; }
.queue-list { flex: 1; overflow-y: auto; padding: var(--space-3); }
.queue-item { display: block; border: 1px solid transparent; border-radius: var(--radius); padding: var(--space-4); margin-bottom: var(--space-2); transition: background var(--motion), border-color var(--motion); }
.queue-item:hover { background: var(--raised); }
.queue-item.is-selected { background: var(--primary-soft); border-color: oklch(0.42 0.07 130); }
.queue-item strong { display: block; font-size: .92rem; line-height: 1.35; font-weight: 650; margin: var(--space-2) 0 var(--space-3); overflow-wrap: anywhere; }
.queue-item-top, .queue-item-bottom { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); color: var(--muted); font-size: .75rem; }
.queue-item-bottom time { flex: none; color: var(--subtle); font-variant-numeric: tabular-nums; }
.status-text { color: var(--warning); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--warning); }
.status-dot.status-approved { background: var(--success); }
.status-dot.status-rejected { background: var(--danger); }
.queue-empty { padding: var(--space-8) var(--space-3); color: var(--muted); }
.queue-empty strong { display: block; color: var(--ink); margin-bottom: var(--space-2); }

.stage-panel { background: var(--bg); overflow-y: auto; display: flex; flex-direction: column; }
.stage-header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); padding: var(--space-8) var(--space-8) var(--space-4); border-bottom: 1px solid var(--line); }
.stage-header h2 { max-width: 28ch; margin: 0; overflow-wrap: anywhere; }
.stage-status { flex: none; border-radius: 99px; background: oklch(0.23 0.04 85); padding: 6px 10px; color: var(--warning); font-size: .76rem; white-space: nowrap; }
.stage-status.status-approved { background: oklch(0.21 0.04 145); color: var(--success); }
.stage-status.status-rejected { background: var(--danger-soft); color: var(--danger); }
.stage-main { display: flex; justify-content: center; align-items: center; flex: 1; min-height: 360px; padding: var(--space-6); }
.portrait-frame, .video-surround video {
  width: min(100%, 330px); aspect-ratio: 9 / 16; max-height: min(72vh, 670px); border-radius: 10px;
  background: var(--raised); border: 1px solid var(--line);
}
.portrait-frame { display: flex; flex-direction: column; justify-content: space-between; padding: var(--space-6); text-align: center; }
.portrait-frame > div { margin: auto 0; }
.portrait-frame strong { display: block; font-size: 1.24rem; line-height: 1.24; margin-bottom: var(--space-3); overflow-wrap: anywhere; }
.portrait-frame p { color: var(--muted); margin: 0 auto; font-size: .9rem; line-height: 1.55; max-width: 28ch; overflow-wrap: anywhere; }
.text-preview p { white-space: pre-line; max-height: 13em; overflow: hidden; }
.frame-index, .frame-foot { font-size: .72rem; letter-spacing: .04em; color: var(--subtle); }
.frame-play { display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: oklch(0.26 0 0); margin-bottom: var(--space-6); padding-left: 3px; color: var(--muted); }
.video-surround { display: flex; justify-content: center; width: 100%; }
.video-surround video { display: block; object-fit: contain; background: oklch(0.04 0 0); }
.upload-strip { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-3); border-top: 1px solid var(--line); padding: var(--space-4) var(--space-8); }
.upload-strip label { font-size: .8rem; color: var(--muted); }
.upload-strip input[type=file] { width: min(100%, 240px); min-height: 44px; font-size: .76rem; }
.upload-strip .button { margin-left: auto; }
.stage-empty { margin: auto; text-align: center; max-width: 340px; padding: var(--space-8); }
.stage-empty-mark { margin: 0 auto var(--space-6); width: 56px; height: 56px; font-size: 1.6rem; }
.stage-empty p { color: var(--muted); }

.inspector-panel { display: flex; flex-direction: column; background: var(--panel); border-right: 0; border-left: 1px solid var(--line); }
.inspector-scroll { overflow-y: auto; flex: 1; min-height: 0; }
.inspector-head { padding: var(--space-8) var(--space-6) var(--space-6); border-bottom: 1px solid var(--line); }
.inspector-head h2 { margin-bottom: var(--space-2); }
.inspector-head > p:last-child { color: var(--muted); font-size: .82rem; margin: 0; }
.inspector-section { padding: var(--space-6); border-bottom: 1px solid var(--line); }
.inspector-section h3 { margin-bottom: var(--space-4); }
.body-copy { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.6; font-size: .94rem; }
.inspector-note { margin: var(--space-4) var(--space-6); padding: var(--space-4); border-radius: 8px; background: var(--raised); color: var(--muted); font-size: .82rem; }
.event-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); }
.event-list li { display: grid; grid-template-columns: 1fr auto; gap: 2px var(--space-2); font-size: .78rem; }
.event-list strong { color: var(--ink); font-weight: 600; }
.event-list span { grid-column: 1; color: var(--muted); overflow-wrap: anywhere; }
.event-list time { grid-row: 1 / span 2; grid-column: 2; color: var(--subtle); font-variant-numeric: tabular-nums; }
.inspector-actions { border-top: 1px solid var(--line); padding: var(--space-4) var(--space-6) var(--space-6); background: var(--panel); }
.decision-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.revision-panel { margin-top: var(--space-3); }
.revision-panel summary { display: grid; place-items: center; min-height: 44px; border-radius: 8px; border: 1px solid var(--line); cursor: pointer; font-size: .9rem; font-weight: 600; }
.revision-panel summary:hover { background: var(--raised); }
.revision-panel[open] summary { margin-bottom: var(--space-4); }
.revision-panel .form-stack { gap: var(--space-2); }
.revision-panel .form-stack label { font-size: .84rem; }
.revision-original { display: grid; gap: var(--space-1); margin: 0; padding: var(--space-3); border: 1px solid var(--line); border-radius: 8px; color: var(--muted); font-size: .82rem; }
.revision-original strong { color: var(--ink); }
.revision-original span { white-space: pre-wrap; overflow-wrap: anywhere; }
.inspector-footnote { color: var(--subtle); font-size: .76rem; line-height: 1.45; margin: var(--space-4) 0 0; }
.inspector-empty { padding: var(--space-8) var(--space-6); }
.inspector-empty p:last-child { color: var(--muted); }

.notice { margin: var(--space-4) var(--space-8) 0; padding: var(--space-3) var(--space-4); border-radius: 8px; font-size: .85rem; }
.notice-success { background: oklch(0.22 0.04 145); color: oklch(0.89 0.08 145); }
.notice-error { background: var(--danger-soft); color: oklch(0.92 0.07 28); }
.form-stack { display: grid; gap: var(--space-3); }
.form-stack label { margin-top: var(--space-2); font-size: .86rem; }
.form-stack .button { margin-top: var(--space-4); }
.field-help { color: var(--muted); font-size: .8rem; margin: 0; }
.form-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
.form-actions .button { margin-top: 0; }
.empty-inline { padding: var(--space-6); background: var(--panel); border-radius: var(--radius); color: var(--muted); }

.login-body { min-height: 100vh; display: grid; place-items: center; background: var(--bg); }
.login-shell { width: min(100% - 32px, 430px); }
.login-identity { margin: 0 0 var(--space-8); }
.login-panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: var(--space-8); }
.login-panel h1 { font-size: 1.8rem; margin-bottom: var(--space-3); }
.login-intro { color: var(--muted); margin-bottom: var(--space-6); }
.login-panel .notice { margin: 0 0 var(--space-4); }
.login-panel .button { width: 100%; }
.login-footnote { text-align: center; color: var(--subtle); font-size: .78rem; margin-top: var(--space-6); }
.form-page { min-height: 100vh; }
.simple-header { display: flex; justify-content: space-between; align-items: center; padding: var(--space-4) var(--space-8); border-bottom: 1px solid var(--line); background: var(--nav); }
.back-link { color: var(--muted); font-size: .88rem; }
.back-link:hover { color: var(--ink); }
.form-page-main { width: min(100% - 32px, 680px); margin: var(--space-12) auto; }
.form-page-main h1 { font-size: 1.9rem; }
.form-page-main > .muted { max-width: 60ch; }
.wide-form { margin-top: var(--space-8); padding: var(--space-8); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }

@media (max-width: 1280px) {
  .app-shell { grid-template-columns: 64px minmax(240px, 290px) minmax(340px, 1fr) minmax(280px, 330px); }
  .brand { padding: 0; justify-content: center; }
  .brand > span:last-child { display: none; }
  .nav-links a { font-size: 0; }
  .nav-links a { justify-content: center; }
  .nav-links a::before { content: "✓"; font-size: 1rem; }
  .nav-links span { font-size: .72rem; }
  .side-user { display: none; }
  .side-bottom { text-align: center; }
  .text-button { font-size: .7rem; }
}
@media (max-width: 1050px) {
  .app-shell { height: auto; min-height: 100vh; grid-template-columns: 64px minmax(240px, 290px) minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) auto; }
  .side-nav { grid-row: 1 / span 2; }
  .queue-panel { grid-row: 1 / span 2; }
  .stage-panel { min-height: 620px; }
  .inspector-panel { grid-column: 3; grid-row: 2; border-top: 1px solid var(--line); border-left: 0; }
  .inspector-scroll { overflow: visible; }
}
@media (max-width: 720px) {
  .app-shell { display: flex; flex-direction: column; }
  .side-nav { flex-direction: row; align-items: center; gap: var(--space-4); padding: var(--space-3) var(--space-4); }
  .brand { margin: 0; }
  .brand > span:last-child { display: block; font-size: .9rem; }
  .brand small { display: none; }
  .nav-links { margin-left: auto; }
  .nav-links a { font-size: .75rem; }
  .nav-links a::before, .nav-links span { display: none; }
  .side-bottom { margin: 0; padding: 0; border: 0; }
  .queue-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .queue-head { padding: var(--space-4); }
  .queue-head h1 { margin-bottom: var(--space-3); }
  .queue-list { max-height: 240px; }
  .stage-panel { min-height: 480px; }
  .stage-header { padding: var(--space-6) var(--space-4) var(--space-4); }
  .stage-status { white-space: normal; }
  .stage-main { padding: var(--space-4); }
  .portrait-frame, .video-surround video { max-height: 520px; }
  .inspector-panel { border-left: 0; }
  .upload-strip { padding: var(--space-4); }
  .inspector-head, .inspector-section, .inspector-actions { padding: var(--space-4); }
  .inspector-note { margin: var(--space-4); }
  .notice { margin: var(--space-4); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}