:root {
  --ink: #171a1f;
  --muted: #68717d;
  --paper: #f5f7f8;
  --panel: #ffffff;
  --line: #dce2e7;
  --blue: #2056d7;
  --blue-soft: #e8efff;
  --mint: #b9f4d5;
  --mint-dark: #126f4a;
  --amber: #f3b34c;
  --red: #c33e4d;
  --shadow: 0 18px 55px rgba(38, 50, 64, .09);
  --r: 18px;
  --sidebar: 244px;
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--paper); }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible, textarea:focus-visible, a:focus-visible { outline: 3px solid rgba(32,86,215,.25); outline-offset: 2px; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: var(--sidebar) 1fr; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: var(--sidebar); padding: 26px 18px; background: #15181c; color: #f8fafc; display: flex; flex-direction: column; z-index: 5; }
.brand { display: flex; gap: 12px; align-items: center; padding: 0 8px 30px; }
.brand-mark { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; color: #15181c; background: var(--mint); font-weight: 800; letter-spacing: -.04em; }
.brand strong { display: block; font-size: 15px; letter-spacing: -.01em; }
.brand span { color: #949da8; font-size: 11px; }
.nav { display: grid; gap: 6px; }
.nav button { border: 0; background: transparent; color: #aab2bc; padding: 11px 12px; border-radius: 10px; text-align: left; display: flex; align-items: center; gap: 11px; }
.nav button:hover, .nav button.active { background: #252a31; color: white; }
.nav svg { width: 18px; height: 18px; }
.sidebar-foot { margin-top: auto; border-top: 1px solid #2b3037; padding: 18px 8px 2px; }
.mode-pill { display: flex; gap: 8px; align-items: flex-start; color: #cdd3da; font-size: 12px; line-height: 1.5; }
.mode-pill i { width: 8px; height: 8px; background: var(--mint); border-radius: 50%; margin-top: 5px; box-shadow: 0 0 0 4px rgba(185,244,213,.12); }
.main { grid-column: 2; min-width: 0; }
.topbar { height: 74px; display: flex; align-items: center; justify-content: space-between; padding: 0 34px; border-bottom: 1px solid var(--line); background: rgba(245,247,248,.88); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 4; }
.topbar .title { font-size: 14px; color: var(--muted); }
.person { display: flex; align-items: center; gap: 11px; font-size: 13px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: #dbe5ff; color: var(--blue); display: grid; place-items: center; font-weight: 700; }
.content { max-width: 1280px; margin: 0 auto; padding: 34px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(280px, .75fr); gap: 22px; margin-bottom: 24px; }
.hero-main { min-height: 310px; border-radius: 24px; padding: 38px; color: white; background: #1b2027; position: relative; overflow: hidden; }
.hero-main::after { content: ""; position: absolute; width: 330px; height: 330px; border-radius: 46% 54% 60% 40%; background: var(--mint); opacity: .9; right: -126px; bottom: -158px; transform: rotate(22deg); }
.hero-main::before { content: ""; position: absolute; width: 190px; height: 190px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; right: 65px; top: 35px; }
.eyebrow { font-size: 12px; color: #9ba6b3; margin-bottom: 18px; }
.hero h1 { font-size: clamp(34px, 4vw, 57px); line-height: 1.04; letter-spacing: -.055em; margin: 0; max-width: 650px; font-weight: 700; }
.hero p { color: #b9c1ca; font-size: 15px; line-height: 1.7; max-width: 600px; margin: 20px 0 28px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; position: relative; z-index: 2; }
.btn { border: 1px solid transparent; border-radius: 11px; padding: 11px 16px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 650; font-size: 13px; }
.btn svg { width: 17px; height: 17px; }
.btn.primary { color: white; background: var(--blue); }
.btn.primary:hover { background: #1849bc; }
.btn.mint { color: #13221b; background: var(--mint); }
.btn.secondary { background: white; color: var(--ink); border-color: var(--line); }
.btn.ghost { background: transparent; color: inherit; border-color: rgba(255,255,255,.22); }
.btn.danger { background: #fff1f3; color: var(--red); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.readiness { background: var(--panel); border: 1px solid var(--line); border-radius: 24px; padding: 28px; display: flex; flex-direction: column; box-shadow: var(--shadow); }
.readiness h2 { margin: 0 0 4px; font-size: 17px; }
.readiness > p { margin: 0; color: var(--muted); font-size: 13px; }
.score-ring { width: 142px; height: 142px; margin: 20px auto; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--blue) calc(var(--score) * 1%), #e6eaee 0); position: relative; }
.score-ring::after { content: ""; position: absolute; inset: 11px; border-radius: 50%; background: white; }
.score-ring span { position: relative; z-index: 1; font-size: 32px; font-weight: 750; letter-spacing: -.04em; }
.check-row { display: flex; justify-content: space-between; padding: 9px 0; border-top: 1px solid #edf0f2; font-size: 12px; }
.ok { color: var(--mint-dark); font-weight: 650; }
.warn { color: #98600a; font-weight: 650; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin: 30px 0 14px; }
.section-head h2 { margin: 0; font-size: 20px; letter-spacing: -.025em; }
.section-head p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; }
.scenario { min-height: 195px; display: flex; flex-direction: column; position: relative; overflow: hidden; }
.scenario .icon-box { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); }
.scenario.case .icon-box { background: #e7f8ef; color: var(--mint-dark); }
.scenario h3 { margin: 24px 0 7px; font-size: 17px; }
.scenario p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; max-width: 90%; }
.scenario .go { margin-top: auto; color: var(--blue); font-size: 13px; font-weight: 700; background: none; border: 0; padding: 18px 0 0; text-align: left; }
.session-list { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.session-row { display: grid; grid-template-columns: 44px 1fr 120px 80px 26px; gap: 14px; align-items: center; padding: 17px 20px; border-bottom: 1px solid #edf0f2; }
.session-row.review-session { width: 100%; border-left: 0; border-right: 0; border-top: 0; text-align: left; color: inherit; background: white; }
.session-row.review-session:hover { background: #f7f9fb; }
.session-row:last-child { border-bottom: 0; }
.session-icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: #eef1f4; color: #4e5965; }
.session-row strong { font-size: 13px; display: block; }
.session-row small { color: var(--muted); font-size: 11px; }
.score { font-weight: 750; color: var(--blue); }
.page-title { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 24px; }
.page-title h1 { margin: 0 0 7px; font-size: 30px; letter-spacing: -.045em; }
.page-title p { margin: 0; color: var(--muted); font-size: 14px; }
.profile-grid { display: grid; grid-template-columns: 320px 1fr; gap: 18px; align-items: start; }
.identity-card { background: #1b2027; color: white; border-radius: 22px; padding: 28px; position: sticky; top: 96px; }
.identity-card .big-avatar { width: 72px; height: 72px; border-radius: 24px; background: var(--mint); color: #13221b; display: grid; place-items: center; font-size: 25px; font-weight: 750; }
.identity-card h2 { margin: 19px 0 5px; font-size: 23px; }
.identity-card > p { color: #aeb7c1; font-size: 13px; line-height: 1.65; }
.identity-card .meta { margin-top: 24px; border-top: 1px solid #313841; padding-top: 18px; font-size: 12px; color: #aeb7c1; display: grid; gap: 11px; }
.fact-toolbar { display: flex; gap: 8px; margin-bottom: 12px; }
.profile-tabs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 18px; margin-bottom: 18px; }
.progress-line { height: 8px; background: #e8edf0; border-radius: 9px; overflow: hidden; margin: 18px 0 12px; }
.progress-line i { display: block; height: 100%; background: var(--blue); border-radius: inherit; }
.task-row { width: 100%; display: grid; grid-template-columns: 28px 1fr 18px; gap: 10px; align-items: center; padding: 14px 0; border: 0; border-top: 1px solid #edf0f2; background: transparent; text-align: left; color: var(--ink); font-size: 13px; }
.task-row svg { width: 18px; height: 18px; color: var(--blue); }
.muted-copy { color: var(--muted); font-size: 13px; line-height: 1.6; }
.boundary-row, .version-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 0; border-top: 1px solid #edf0f2; font-size: 13px; }
.boundary-row select { border: 1px solid var(--line); border-radius: 8px; padding: 7px 8px; color: var(--muted); }
.version-row p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.version-row small { color: var(--muted); white-space: nowrap; }
.chip { border: 1px solid var(--line); background: white; color: var(--muted); padding: 7px 11px; border-radius: 999px; font-size: 12px; }
.chip.active { background: var(--ink); color: white; border-color: var(--ink); }
.fact { display: grid; grid-template-columns: 1fr auto; gap: 16px; padding: 19px 0; border-bottom: 1px solid #edf0f2; }
.fact:last-child { border-bottom: 0; }
.fact h3 { margin: 0 0 7px; font-size: 14px; }
.fact p { margin: 0 0 9px; color: #505966; font-size: 13px; line-height: 1.6; }
.fact small { color: var(--muted); }
.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 6px 9px; font-size: 11px; white-space: nowrap; background: #ebf8f1; color: var(--mint-dark); height: fit-content; }
.badge.pending { background: #fff4df; color: #8a590d; }
.interview-shell { min-height: 100vh; background: #101318; color: white; display: grid; grid-template-rows: 70px 1fr; }
.interview-top { display: flex; align-items: center; justify-content: space-between; padding: 0 24px; border-bottom: 1px solid #292e35; }
.interview-top strong { font-size: 14px; }
.live { font-size: 12px; color: #c4cbd3; display: flex; align-items: center; gap: 8px; }
.live i { width: 8px; height: 8px; border-radius: 50%; background: #f05b68; box-shadow: 0 0 0 5px rgba(240,91,104,.12); }
.interview-layout { display: grid; grid-template-columns: minmax(0,1.5fr) 410px; gap: 16px; padding: 16px; min-height: 0; }
.stage { border-radius: 18px; background: #20252c; overflow: hidden; position: relative; min-height: 590px; }
.stage video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); background: #262c34; }
.camera-empty { position: absolute; inset: 0; display: grid; place-items: center; color: #8e98a4; text-align: center; }
.camera-empty svg { width: 52px; height: 52px; margin-bottom: 14px; }
.stage-overlay { position: absolute; inset: 0; pointer-events: none; display: flex; flex-direction: column; justify-content: space-between; padding: 20px; }
.speaker-tag { align-self: flex-start; background: rgba(16,19,24,.72); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.1); border-radius: 9px; padding: 9px 12px; font-size: 12px; }
.expression { align-self: flex-end; background: rgba(16,19,24,.78); border: 1px solid rgba(255,255,255,.1); border-radius: 12px; padding: 11px 13px; width: 210px; font-size: 11px; color: #b8c0c9; }
.expression strong { color: white; display: block; margin-bottom: 4px; }
.control-dock { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); display: flex; gap: 10px; pointer-events: auto; }
.round-control { width: 46px; height: 46px; border: 0; border-radius: 50%; color: white; background: rgba(24,28,34,.9); display: grid; place-items: center; }
.round-control.active { background: white; color: #171a1f; }
.round-control.end { background: #cf4050; }
.interview-panel { border-radius: 18px; background: #1c2127; border: 1px solid #2b3139; padding: 24px; display: flex; flex-direction: column; min-height: 0; }
.progress { display: flex; gap: 5px; margin-bottom: 24px; }
.progress i { height: 3px; background: #39404a; flex: 1; border-radius: 4px; }
.progress i.done, .progress i.current { background: var(--mint); }
.question-no { color: #8f9aa6; font-size: 11px; margin-bottom: 12px; }
.question { font-size: 22px; line-height: 1.42; letter-spacing: -.025em; margin: 0 0 14px; }
.hint { color: #94a0ac; font-size: 12px; line-height: 1.55; border-left: 2px solid #46515e; padding-left: 11px; }
.answer-box { margin-top: 24px; padding-top: 22px; border-top: 1px solid #313842; flex: 1; display: flex; flex-direction: column; min-height: 190px; }
.answer-box label { color: #8f9aa6; font-size: 11px; margin-bottom: 8px; }
.answer-box textarea { border: 0; resize: none; min-height: 150px; background: transparent; color: #e9edf1; line-height: 1.65; outline: none; }
.answer-status { display: flex; gap: 8px; align-items: center; color: var(--mint); font-size: 11px; margin-bottom: 8px; }
.wave { display: flex; gap: 3px; align-items: center; height: 14px; }
.wave i { width: 2px; height: 5px; background: var(--mint); animation: wave 1s ease-in-out infinite; }
.wave i:nth-child(2) { animation-delay: .18s; height: 12px; }
.wave i:nth-child(3) { animation-delay: .35s; height: 8px; }
@keyframes wave { 50% { transform: scaleY(1.8); } }
.panel-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 18px; }
.canvas-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; }
.canvas-board { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.canvas-block { min-height: 180px; }
.canvas-block h3 { font-size: 13px; margin: 0 0 12px; display: flex; justify-content: space-between; }
.canvas-block textarea { width: 100%; min-height: 125px; border: 0; border-top: 1px solid var(--line); padding: 12px 0 0; resize: vertical; color: #46505c; line-height: 1.55; outline: none; }
.canvas-block.wide { grid-column: 1 / -1; }
.prompt-card { background: #1b2027; color: white; border-radius: 20px; padding: 26px; position: sticky; top: 96px; }
.prompt-card h2 { margin: 0 0 14px; font-size: 21px; line-height: 1.4; }
.prompt-card p { color: #aeb7c1; font-size: 13px; line-height: 1.6; }
.review-detail { display: grid; grid-template-columns: 1fr 340px; gap: 18px; }
.transcript { display: grid; gap: 12px; }
.turn { padding: 19px; border: 1px solid var(--line); background: white; border-radius: 15px; }
.turn .who { color: var(--muted); font-size: 11px; margin-bottom: 8px; }
.turn p { margin: 0; font-size: 13px; line-height: 1.7; }
.source-note { margin-top: 12px; background: #edf3ff; color: #36558d; padding: 9px 11px; border-radius: 9px; font-size: 11px; }
.empty { padding: 60px 20px; text-align: center; color: var(--muted); }
.modal-backdrop { position: fixed; inset: 0; z-index: 20; background: rgba(15,18,22,.6); display: grid; place-items: center; padding: 20px; }
.modal { background: white; border-radius: 20px; padding: 26px; width: min(520px,100%); box-shadow: 0 28px 90px rgba(0,0,0,.22); }
.modal h2 { margin: 0 0 6px; }
.modal p { color: var(--muted); font-size: 13px; }
.form-grid { display: grid; gap: 14px; margin: 20px 0; }
.field { display: grid; gap: 6px; }
.field label { font-size: 12px; color: #525c68; font-weight: 650; }
.field input, .field textarea, .field select { border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; outline: 0; background: white; }
.field textarea { min-height: 90px; resize: vertical; }
#toast { position: fixed; right: 24px; bottom: 24px; background: #171a1f; color: white; border-radius: 10px; padding: 12px 15px; font-size: 12px; opacity: 0; transform: translateY(10px); pointer-events: none; transition: .2s ease; z-index: 50; }
#toast.show { opacity: 1; transform: none; }
.mobile-nav { display: none; }
@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .main { grid-column: 1; padding-bottom: 70px; }
  .mobile-nav { display: grid; grid-template-columns: repeat(4,1fr); position: fixed; z-index: 10; left: 0; right: 0; bottom: 0; height: 64px; background: #171a1f; }
  .mobile-nav button { background: none; border: 0; color: #89939f; display: grid; place-items: center; font-size: 10px; }
  .mobile-nav button.active { color: var(--mint); }
  .hero, .profile-grid, .review-detail, .canvas-layout { grid-template-columns: 1fr; }
  .identity-card, .prompt-card { position: static; }
  .interview-layout { grid-template-columns: 1fr; }
  .stage { min-height: 420px; }
}
@media (max-width: 650px) {
  .topbar { padding: 0 18px; }
  .content { padding: 22px 16px; }
  .page-title { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero-main { padding: 28px 24px; min-height: 350px; }
  .hero h1 { font-size: 38px; }
  .grid-2, .grid-3, .canvas-board { grid-template-columns: 1fr; }
  .canvas-block.wide { grid-column: auto; }
  .session-row { grid-template-columns: 40px 1fr 50px; }
  .session-row > :nth-child(3), .session-row > :nth-child(5) { display: none; }
  .interview-layout { padding: 8px; }
  .interview-panel { padding: 18px; }
  .mobile-nav svg { width: 22px; height: 22px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }