:root {
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
  color-scheme: light;

  
  --bg: #F3F4F1;
  --bg-panel: #EAEBE6;
  --paper: #FBFBF8;
  --white: #FFFFFF;

  
  --ink: #16191C;
  --ink-soft: #4D524C;
  --ink-faint: #8A8F87;

  
  --accent: #26493D;
  --accent-strong: #1B362D;
  --accent-soft: #DCE7E1;
  --gold: #B8863C;
  --gold-soft: #F1E4CB;
  --rust: #A6503A;
  --rust-soft: #F2DCD4;
  --success: #2F6B4F;
  --success-soft: #DDEAE2;

  
  --border: #D8D9D2;
  --border-strong: #C2C4BB;

  
  --shadow-card: 0 1px 0 #16191c08, 0 14px 38px -18px #16191c25;
  --shadow-overlay: 0 22px 70px #16191c45;
  --shadow-lift: 0 2px 0 #16191c0a, 0 22px 48px -22px #16191c35;

  
  --font-display: 'Fraunces', 'Iowan Old Style', 'Charter', Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
  --font-mono: ui-monospace, 'SFMono-Regular', Menlo, Consolas, 'Liberation Mono', monospace;

  
  --r-1: 6px;
  --r-2: 10px;
  --r-3: 16px;

  
  --ease: cubic-bezier(.2, .7, .2, 1);
  --t-fast: 120ms;
  --t-base: 220ms;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    color-scheme: dark;
    --bg: #14171A;
    --bg-panel: #1B1F23;
    --paper: #1E2327;
    --white: #232830;
    --ink: #ECEDE9;
    --ink-soft: #B4B8B2;
    --ink-faint: #7C807A;
    --accent: #6FB29A;
    --accent-strong: #8AC6B0;
    --accent-soft: #2B3F38;
    --gold: #D8A85A;
    --gold-soft: #3B3220;
    --rust: #D88A75;
    --rust-soft: #3B2823;
    --success: #7AC4A0;
    --success-soft: #243A2E;
    --border: #2A2F35;
    --border-strong: #383E45;
    --shadow-card: 0 1px 0 #00000022, 0 14px 38px -18px #00000080;
    --shadow-overlay: 0 22px 70px #000000aa;
    --shadow-lift: 0 2px 0 #00000033, 0 22px 48px -22px #000000a0;
  }
}

:root[data-theme="light"] {
  color-scheme: light;
  
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #14171A;
  --bg-panel: #1B1F23;
  --paper: #1E2327;
  --white: #232830;
  --ink: #ECEDE9;
  --ink-soft: #B4B8B2;
  --ink-faint: #7C807A;
  --accent: #6FB29A;
  --accent-strong: #8AC6B0;
  --accent-soft: #2B3F38;
  --gold: #D8A85A;
  --gold-soft: #3B3220;
  --rust: #D88A75;
  --rust-soft: #3B2823;
  --success: #7AC4A0;
  --success-soft: #243A2E;
  --border: #2A2F35;
  --border-strong: #383E45;
  --shadow-card: 0 1px 0 #00000022, 0 14px 38px -18px #00000080;
  --shadow-overlay: 0 22px 70px #000000aa;
  --shadow-lift: 0 2px 0 #00000033, 0 22px 48px -22px #000000a0;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

html { background: var(--bg); }

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
  min-height: 100dvh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button, select, input, textarea {
  font: inherit;
  color: inherit;
}

button { cursor: pointer; }

a { color: var(--accent-strong); }

.skip-link {
  position: absolute;
  inset-inline-start: 12px;
  top: -48px;
  background: var(--ink);
  color: var(--white);
  padding: 10px 14px;
  border-radius: var(--r-1);
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  z-index: 10;
  transition: top var(--t-fast) var(--ease);
}
.skip-link:focus { top: 12px; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
[hidden] { display: none !important; }

:focus { outline: none; }
:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
  border-radius: var(--r-1);
}
button:focus-visible,
.icon-button:focus-visible {
  outline-offset: 2px;
}

.app-shell {
  min-height: 100vh;
  min-height: 100dvh;
  min-height: 100svh;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 clamp(20px, 5vw, 56px);
  height: 68px;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--accent); }
.brand__logo {
  height: 56px;
  width: auto;
  display: block;
  border-radius: 6px;
}
.brand__name {
  color: inherit;
  margin-left: -32px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.social-link svg { width: 18px; height: 18px; display: block; }
.social-link:hover,
.social-link:focus-visible {
  color: var(--accent);
  background: var(--bg-panel);
  outline: none;
}
.social-link:focus-visible { box-shadow: 0 0 0 2px var(--accent) inset; }

.session-context {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-inline-start: auto;
  padding-inline: 10px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--paper);
}

.topbar-spacer { flex: 1; }

.provider-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 12px;
  border: 1px solid var(--border);
  background: var(--paper);
  border-radius: 999px;
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.provider-chip:hover { border-color: var(--border-strong); background: var(--white); }
.provider-chip::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px var(--success-soft);
}
.provider-chip[data-provider="gemini"]::before { background: var(--gold); box-shadow: 0 0 0 3px var(--gold-soft); }
.provider-chip[data-provider="openai"]::before { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.icon-button {
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  font-size: 20px;
  cursor: pointer;
  min-width: 40px;
  min-height: 40px;
  border-radius: var(--r-1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  touch-action: manipulation;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.icon-button:hover { background: var(--bg-panel); border-color: var(--border); }

.theme-toggle {
  font: 500 16px/1 var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}
.theme-toggle:hover { color: var(--ink); }
.theme-toggle[data-state="light"] { color: var(--gold); }
.theme-toggle[data-state="dark"]  { color: var(--accent-strong); }

.screen {
  display: none;
  min-height: calc(100vh - 68px);
  min-height: calc(100dvh - 68px);
  min-height: calc(100dvh - 68px);
  min-height: calc(100svh - 68px);
  padding: clamp(24px, 5vw, 64px);
  animation: screen-in var(--t-base) var(--ease);
}
.screen.is-active { display: block; }
.centered-state {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
  text-align: center;
}
.centered-state.is-active { display: flex; }

@keyframes screen-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.setup-card {
  max-width: 560px;
  margin: clamp(24px, 6vh, 80px) auto;
  padding: clamp(28px, 4vw, 48px);
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  box-shadow: var(--shadow-card);
}

.eyebrow {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 14px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  text-wrap: balance;
  color: var(--ink);
}
h1 { font-size: clamp(36px, 5.2vw, 56px); font-weight: 700; }
h2 { font-size: clamp(28px, 3.6vw, 44px); }
h3 { font-size: 14px; font-family: var(--font-body); font-weight: 600; letter-spacing: 0; text-transform: none; line-height: 1.3; }

.lede {
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0 0 32px;
  font-size: 16px;
  max-width: 44ch;
}

.tip-callout {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-1) var(--r-1) 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--accent-strong);
}
.tip-callout__icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font: 600 12px/1 var(--font-mono);
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  margin-top: 1px;
}
.tip-callout p { margin: 0; color: var(--ink); }
.tip-callout strong { color: var(--accent-strong); font-weight: 600; }

form { display: grid; gap: 18px; }

label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

input, select, textarea {
  width: 100%;
  font: 400 15px/1.5 var(--font-body);
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-1);
  padding: 12px 14px;
  touch-action: manipulation;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
  color-scheme: light dark;
}
input:hover, select:hover, textarea:hover { border-color: var(--ink-faint); }
input:focus-visible, select:focus-visible, textarea:focus-visible {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 4px var(--accent-soft);
}

select {
  appearance: none;
  -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%),
                    linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%);
  background-position: calc(100% - 18px) center, calc(100% - 13px) center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 36px;
}

textarea {
  resize: vertical;
  line-height: 1.6;
  min-height: 180px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--r-1);
  padding: 13px 20px;
  font: 600 14px/1 var(--font-body);
  cursor: pointer;
  min-height: 46px;
  touch-action: manipulation;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.button:active { transform: translateY(1px) scale(0.99); }

.button-primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.button-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); color: #fff; }

.button-secondary {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--border-strong);
}
.button-secondary:hover { background: var(--bg-panel); border-color: var(--ink-faint); }

.button-ghost {
  background: transparent;
  color: var(--ink-soft);
  border-color: transparent;
  min-height: 36px;
  padding: 8px 12px;
  font-weight: 500;
}
.button-ghost:hover { color: var(--ink); background: var(--bg-panel); }

.button-danger {
  background: transparent;
  color: var(--rust);
  border-color: var(--border);
  min-height: 36px;
  padding: 8px 12px;
  font-weight: 500;
}
.button-danger:hover { background: var(--rust-soft); border-color: var(--rust); }

.form-error {
  color: var(--rust);
  font-size: 13px;
  min-height: 18px;
  margin: 0;
}

.interview-layout {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: clamp(28px, 6vw, 80px);
}

.session-rail {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding-top: 4px;
}
.session-rail::before {
  content: '';
  position: absolute;
  top: 14px; bottom: 14px;
  left: 50%;
  width: 1px;
  background: var(--border);
  transform: translateX(-0.5px);
  z-index: 0;
}

.rail-item {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--paper);
  font: 500 11px/1 var(--font-mono);
  color: var(--ink-faint);
  transition: background var(--t-base) var(--ease), color var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.rail-item.is-complete {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.rail-item.is-current {
  border-color: var(--accent);
  background: var(--paper);
  color: var(--accent-strong);
  box-shadow: 0 0 0 4px var(--accent-soft);
  font-weight: 600;
}

.question-pane { max-width: 760px; }
.question-pane h1 {
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.45;
  margin: 0 0 24px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.015em;
}

.question-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.question-counter {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.question-topic {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-strong);
  background: var(--accent-soft);
  padding: 5px 9px;
  border-radius: 999px;
}

.answer-label {
  display: block;
  margin-bottom: 8px;
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.word-count { transition: color var(--t-fast) var(--ease); }
.word-count.is-optimal { color: var(--success); font-weight: 600; }
.word-count.is-short { color: var(--gold); }
.word-count.is-long { color: var(--rust); }
.answer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-faint);
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 10px 0 18px;
}
.answer-hint {
  font: 500 11px/1.4 var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.answer-hint strong { color: var(--ink-soft); font-weight: 600; }

.kbd-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-left: auto;
  align-self: center;
}
.kbd-hint kbd {
  font: 500 11px/1 var(--font-mono);
  padding: 3px 6px;
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink-soft);
}

.spinner {
  width: 38px;
  height: 38px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
.thinking-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: 36px 44px;
  display: grid;
  gap: 16px;
  justify-items: center;
  box-shadow: var(--shadow-card);
  max-width: 420px;
}
.thinking-card p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.thinking-progress-label {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: -4px;
}
.thinking-progress {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}
.thinking-progress span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
  animation: pulse 1.4s var(--ease) infinite;
}
.thinking-progress span:nth-child(2) { animation-delay: 0.2s; }
.thinking-progress span:nth-child(3) { animation-delay: 0.4s; }
@keyframes pulse {
  0%, 60%, 100% { background: var(--border); transform: scale(0.85); }
  30%            { background: var(--accent); transform: scale(1.15); }
}
@keyframes spin { to { transform: rotate(360deg); } }

.evaluation-wrap {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  align-items: start;
}

.score-card,
.feedback-card,
.summary-card,
.error-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: clamp(22px, 3.5vw, 36px);
  box-shadow: var(--shadow-card);
}

.score-card { text-align: center; display: flex; flex-direction: column; align-items: center; }
.score-card__primary { display: flex; flex-direction: column; align-items: center; width: 100%; }
.score-card__secondary { width: 100%; }
.score-ring {
  position: relative;
  width: 168px;
  height: 168px;
  margin: 8px auto 18px;
}
.score-ring svg { display: block; width: 100%; height: 100%; transform: rotate(-90deg); }
.score-ring__track { stroke: var(--bg-panel); }
.score-ring__fill {
  stroke: var(--gold);
  stroke-linecap: round;
  transition: stroke-dashoffset 900ms var(--ease);
}
.score-number {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font: 700 52px/1 var(--font-display);
  letter-spacing: -0.05em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.score-number small {
  position: absolute;
  bottom: 38px;
  font: 11px/1 var(--font-mono);
  color: var(--ink-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.attempt-note {
  margin: 0;
  font-size: 12px;
  color: var(--ink-soft);
}
.score-label {
  display: inline-block;
  margin: 12px 0 0;
  padding: 4px 10px;
  border-radius: 999px;
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--bg-panel);
  color: var(--ink-soft);
}
.score-label.is-excellent { color: var(--success); background: var(--success-soft); }
.score-label.is-strong    { color: var(--accent-strong); background: var(--accent-soft); }
.score-label.is-solid     { color: var(--ink); background: var(--bg-panel); }
.score-label.is-progress  { color: var(--gold); background: var(--gold-soft); }
.score-label.is-practice  { color: var(--rust); background: var(--rust-soft); }
.attempt-delta {
  display: inline-block;
  margin-left: 4px;
  padding: 2px 6px;
  border-radius: 999px;
  font: 600 11px/1 var(--font-mono);
}
.attempt-delta.is-up   { color: var(--success); background: var(--success-soft); }
.attempt-delta.is-down { color: var(--rust);    background: var(--rust-soft); }

.salary-estimate {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: var(--r-2);
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  text-align: center;
}
.salary-estimate__label {
  display: block;
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 6px;
}
.salary-estimate__range {
  display: block;
  font: 700 13px/1.3 var(--font-mono);
  color: var(--ink);
}
.salary-estimate__context {
  margin: 6px 0 0;
  font-size: 11px;
  line-height: 1.4;
  color: var(--ink-soft);
}

.feedback-card h2 { font-size: 28px; margin-bottom: 4px; }

.category-bars { display: grid; gap: 12px; margin: 18px 0 26px; }
.category-row {
  display: grid;
  grid-template-columns: 110px 1fr 44px;
  gap: 12px;
  align-items: center;
  font: 500 12px/1 var(--font-body);
  color: var(--ink-soft);
}
.category-row strong {
  font: 600 14px/1 var(--font-body);
  color: var(--ink);
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.bar {
  position: relative;
  height: 8px;
  background: var(--bg-panel);
  border-radius: 999px;
  overflow: hidden;
}
.bar > span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--accent);
  border-radius: inherit;
  transition: width 900ms var(--ease);
}
.bar.is-high > span   { background: var(--success); }
.bar.is-mid > span    { background: var(--gold); }
.bar.is-low > span    { background: var(--rust); }

.feedback-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 28px 0;
}
.feedback-grid article {
  background: var(--bg-panel);
  padding: 18px 18px 16px;
  border-radius: var(--r-2);
  border: 1px solid transparent;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.feedback-grid article:hover { border-color: var(--border); background: var(--paper); }
.feedback-grid h3 { font-size: 12px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); margin-bottom: 12px; }
.feedback-grid p, .feedback-grid li { font-size: 14px; line-height: 1.55; color: var(--ink); }
.feedback-grid ul { padding-left: 18px; margin: 0; }
.feedback-grid li { margin-bottom: 6px; }
.feedback-grid li::marker { color: var(--ink-faint); }
.example-block { border-left: 3px solid var(--gold); }
.follow-up-block { border-left: 3px solid var(--rust); }
.example-block p { white-space: pre-wrap; }

.action-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.summary-wrap { max-width: 720px; margin: 0 auto; }
.summary-card { text-align: center; }
.summary-card h2 { font-size: clamp(26px, 3.4vw, 38px); margin: 0 0 4px; }
.summary-score {
  font: 700 clamp(64px, 8vw, 96px)/1 var(--font-display);
  letter-spacing: -0.06em;
  color: var(--gold);
  margin: 14px 0 4px;
  font-variant-numeric: tabular-nums;
}
.summary-score small { font-size: 18px; color: var(--ink-faint); margin-left: 4px; }
.summary-score-label { margin: 0 0 26px; color: var(--ink-soft); font-size: 13px; font-family: var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.summary-score-label .sep { color: var(--border-strong); margin: 0 6px; }

.summary-insights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 24px 0 28px;
  text-align: left;
}
.summary-insights article {
  padding: 16px 18px;
  background: var(--bg-panel);
  border-radius: var(--r-2);
  border: 1px solid var(--border);
}
.summary-insights span {
  display: block;
  font: 500 11px/1 var(--font-mono);
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.summary-insights strong {
  font: 600 17px/1.2 var(--font-display);
  color: var(--ink);
  text-transform: capitalize;
}

.question-results {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  text-align: left;
}
.question-results__item {
  border-top: 1px solid var(--border);
}
.question-results__item:last-child { border-bottom: 1px solid var(--border); }
.question-results__row {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 14px 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  border-radius: 4px;
  transition: background var(--t-fast) var(--ease);
}
.question-results__row:hover,
.question-results__row:focus-visible {
  background: var(--bg-panel);
  outline: none;
}
.question-results__row:focus-visible {
  box-shadow: 0 0 0 2px var(--accent) inset;
}
.question-results__num {
  font: 500 11px/1 var(--font-mono);
  color: var(--ink-faint);
  letter-spacing: 0.06em;
}
.question-results__topic {
  font-size: 14px;
  color: var(--ink);
}
.question-results__topic small {
  display: block;
  font: 500 11px/1.3 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 4px;
}
.question-results__score {
  font: 600 16px/1 var(--font-mono);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  position: relative;
  padding-right: 18px;
}
.question-results__score small { color: var(--ink-faint); font-weight: 400; font-size: 12px; margin-left: 2px; }
.question-results__score::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--ink-faint);
  border-bottom: 1.5px solid var(--ink-faint);
  transform: translateY(-70%) rotate(45deg);
  transition: transform var(--t-fast) var(--ease);
}
.question-results__item.is-open .question-results__score::after {
  transform: translateY(-30%) rotate(-135deg);
}
.question-results__details {
  padding: 0 0 16px 40px;
  display: grid;
  gap: 12px;
}
.question-results__details[hidden] { display: none; }
.question-results__details p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.question-results__details p span:first-child {
  display: block;
  font: 500 10px/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 4px;
}

dialog {
  border: 0;
  border-radius: var(--r-3);
  padding: 0;
  width: min(92vw, 560px);
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow-overlay);
  max-height: 90vh;
  overflow: auto;
  overscroll-behavior: contain;
}
dialog::backdrop {
  background: #16191c75;
  backdrop-filter: blur(2px);
}
dialog form { padding: 28px 28px 24px; display: grid; gap: 18px; }

.dialog-heading {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}
.dialog-heading h2 { font-size: 24px; margin: 0; }
.dialog-heading__sub {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}

.provider-grid {
  display: grid;
  gap: 10px;
}
.provider-option {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  align-items: start;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--border-strong);
  background: var(--white);
  border-radius: var(--r-2);
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.provider-option:hover { border-color: var(--ink-faint); }
.provider-option input { position: absolute; opacity: 0; pointer-events: none; }
.provider-option__dot {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  background: var(--paper);
  margin-top: 1px;
  position: relative;
  flex-shrink: 0;
}
.provider-option__name {
  font: 600 14px/1.3 var(--font-body);
  color: var(--ink);
}
.provider-option__desc {
  display: block;
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.5;
  margin-top: 2px;
}
.provider-option__tag {
  font: 500 10px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 7px;
  border-radius: 999px;
  color: var(--ink-soft);
  background: var(--bg-panel);
  align-self: center;
}
.provider-option__tag.is-recommended { color: var(--success); background: var(--success-soft); }
.provider-option:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.provider-option:has(input:checked) .provider-option__dot {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: inset 0 0 0 3px var(--paper);
}
.provider-option:has(input:focus-visible) { box-shadow: 0 0 0 3px var(--accent-soft); }

.key-field {
  display: none;
  gap: 6px;
}
.key-field.is-visible { display: grid; }

.key-input-row {
  display: flex;
  gap: 8px;
}
.key-input-row input { flex: 1; font: 400 14px/1.4 var(--font-mono); letter-spacing: 0.02em; }
.key-toggle {
  background: var(--paper);
  border: 1px solid var(--border-strong);
  color: var(--ink-soft);
  border-radius: var(--r-1);
  padding: 0 12px;
  min-height: 46px;
  font: 500 12px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.key-toggle:hover { color: var(--ink); border-color: var(--ink-faint); }

.key-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 500 12px/1.4 var(--font-mono);
  color: var(--ink-soft);
  min-height: 18px;
}
.key-status::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ink-faint);
}
.key-status.is-saved::before { background: var(--success); }
.key-status.is-error::before { background: var(--rust); }

.remember-row {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--r-1);
  margin-bottom: 4px;
}
.remember-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  font-size: 13px;
  color: var(--ink);
  cursor: pointer;
  user-select: none;
}
.remember-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
  padding: 0;
  accent-color: var(--accent-strong);
  cursor: pointer;
}
.remember-checkbox span { line-height: 1.2; }
.remember-hint {
  margin: 0;
  padding-inline-start: 26px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-soft);
}

.settings-note {
  font-size: 12px;
  line-height: 1.55;
  color: var(--ink-soft);
  background: var(--gold-soft);
  border-left: 3px solid var(--gold);
  padding: 10px 12px;
  border-radius: var(--r-1);
  margin: 0;
}

.dialog-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}
.dialog-actions__group {
  display: flex;
  gap: 10px;
}

.toast-region {
  position: fixed;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: calc(100vw - 32px);
}
.toast {
  background: var(--ink);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-overlay);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  animation: toast-in var(--t-base) var(--ease);
}
.toast.is-success::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 30%, transparent);
}
.toast.is-error::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--rust);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--rust) 30%, transparent);
}
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.error-card { max-width: 520px; margin: 5vh auto; }
.error-card h2 { font-size: clamp(26px, 3.4vw, 36px); margin-bottom: 10px; }
.error-card p { color: var(--ink-soft); line-height: 1.6; margin: 0 0 24px; }
.error-card__tag {
  display: inline-block;
  font: 500 10px/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rust);
  background: var(--rust-soft);
  padding: 5px 8px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.confirm-dialog { width: min(92vw, 440px); }
.confirm-dialog h2 { font-size: 22px; margin: 0 0 6px; }
.confirm-dialog p { margin: 0 0 22px; color: var(--ink-soft); font-size: 14px; }

.tips {
  display: grid;
  gap: 12px;
  padding: 16px 16px 6px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--r-1);
  margin-bottom: 24px;
  width: 100%;
}
.tips__title {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 4px;
}
.tips__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.tips__item {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: start;
  gap: 10px;
  padding: 12px 14px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--r-1);
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-soft);
}
.tips__item p { margin: 0; color: var(--ink-soft); }
.tips__item strong { color: var(--ink); font-weight: 600; display: block; margin-bottom: 2px; }
.tips__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font: 600 12px/1 var(--font-mono);
  margin-top: 1px;
}

@media (max-width: 820px) {
  .evaluation-wrap { grid-template-columns: 1fr; gap: 20px; }
  .score-card { display: grid; grid-template-columns: auto 1fr; align-items: center; text-align: left; gap: 24px; padding: 24px; }
  .score-card__primary { align-items: flex-start; }
  .score-ring { width: 130px; height: 130px; margin: 8px 0; }
  .score-number { font-size: 40px; }
  .score-number small { bottom: 28px; }
  .salary-estimate { margin-top: 0; }
}

@media (max-width: 700px) {
  .topbar { padding: 0 16px; gap: 10px; }
  .session-context { display: none; }
  .screen { padding: 24px 18px; }
  .interview-layout { grid-template-columns: 1fr; }
  .session-rail {
    flex-direction: row;
    justify-content: flex-start;
    padding: 0 0 4px;
    overflow-x: auto;
    gap: 14px;
  }
  .session-rail::before { display: none; }
  .feedback-grid { grid-template-columns: 1fr; }
  .summary-insights { grid-template-columns: 1fr; }
  .dialog-actions { flex-direction: column-reverse; align-items: stretch; }
  .dialog-actions__group { flex-direction: column-reverse; }
  .dialog-actions .button { width: 100%; }
  .question-results__row { grid-template-columns: 24px 1fr auto; gap: 10px; }
  .question-results__details { padding-left: 32px; }
}

@media (max-width: 460px) {
  h1 { font-size: 32px; }
  .setup-card { padding: 24px 20px; }
  .question-pane h1 { font-size: 19px; line-height: 1.4; }
}

@media (max-width: 520px) {
  .topbar { gap: 8px; padding: 0 14px; }
  .provider-chip { padding: 0 8px; gap: 0; }
  .provider-chip > span { display: none; }
  .session-context {
    height: 24px;
    padding-inline: 8px;
    font-size: 10px;
    margin-inline-start: 0;
  }
  .tips__list { grid-template-columns: 1fr; }
  .setup-card { padding: 24px 18px; }
  .thinking-card { padding: 28px 24px; max-width: 100%; }
}

@media (max-width: 420px) {
  .brand { font-size: 15px; }
  .session-context { display: none; }
  .question-meta { gap: 6px; }
  .answer-footer { flex-wrap: wrap; }
  .kbd-hint { display: none; }
  .provider-chip { min-width: 32px; min-height: 32px; }
  .icon-button { min-width: 36px; min-height: 36px; }
}

@media (hover: none) and (pointer: coarse) {
  .kbd-hint { display: none; }
  .icon-button { min-width: 44px; min-height: 44px; }
  .button { min-height: 48px; }
  .provider-chip { min-height: 36px; }
  .key-toggle { min-height: 48px; }
}

@media (max-height: 500px) and (orientation: landscape) {
  .thinking-card { padding: 20px 28px; max-width: 360px; }
  .thinking-card .spinner { width: 28px; height: 28px; border-width: 2px; }
  .screen { padding: 16px clamp(18px, 4vw, 40px); }
  .centered-state { gap: 12px; }
  .error-card { margin: 2vh auto; padding: 20px 24px; }
}

dialog {
  max-width: min(560px, calc(100vw - 24px));
  width: 100%;
  max-height: calc(100dvh - 24px);
  max-height: calc(100vh - 24px);
  margin: auto;
  padding: clamp(20px, 4vw, 32px);
  overflow: auto;
}

.site-footer {
  text-align: center;
  padding: 16px 16px calc(16px + env(safe-area-inset-bottom, 0px));
  font: 500 11px/1.4 var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(180%) blur(6px);
  flex-shrink: 0;
}
.site-footer small { font-size: inherit; }
.site-footer__row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 32px;
}
.site-footer__row > small {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
}
.site-footer__socials {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.site-footer__socials .social-link { color: var(--ink-soft); width: 36px; height: 36px; border-radius: 8px; }
.site-footer__socials .social-link svg { width: 22px; height: 22px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .thinking-progress span { animation: none; }
  .spinner { animation: none; border-top-color: var(--accent); }
}