/* =========================================================
   AI Interview Panel — visual identity
   A formal, letterhead-like interface for a government
   services mock interview. Paper tones, navy + brass accent,
   serif headings over a plain-spoken sans body.
   ========================================================= */

:root {
  --color-bg: #E8E2D3;
  --color-panel: #FBF9F3;
  --color-ink: #1C1B18;
  --color-muted: #6B675C;
  --color-navy: #1B2A4A;
  --color-navy-dark: #12203A;
  --color-brass: #A07A2C;
  --color-rule: #D8D0BE;
  --color-weak: #8B3A3A;
  --color-weak-bg: #F6E9E7;
  --color-good: #3F6B4A;
  --color-good-bg: #EAF0E9;

  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius: 3px;
  --max-width: 680px;
}

* { box-sizing: border-box; }

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

body {
  background: var(--color-bg);
  background-image:
    linear-gradient(var(--color-bg), var(--color-bg));
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 40px 20px 60px;
}

.page {
  width: 100%;
  max-width: var(--max-width);
}

/* ---- Letterhead ---- */

.letterhead {
  text-align: left;
  padding-bottom: 18px;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--color-navy);
  position: relative;
}

.letterhead::after {
  content: "";
  display: block;
  height: 1px;
  background: var(--color-navy);
  margin-top: 4px;
}

.letterhead-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.seal {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1.5px solid var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--color-navy);
  letter-spacing: 0.5px;
}

.letterhead h1 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  margin: 0;
  color: var(--color-navy-dark);
}

.letterhead p {
  margin: 2px 0 0;
  font-size: 13.5px;
  color: var(--color-muted);
}

/* ---- Panel / card ---- */

.panel {
  background: var(--color-panel);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  padding: 34px 36px;
}

.panel + .panel {
  margin-top: 20px;
}

/* ---- Typography ---- */

h2 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--color-navy-dark);
}

.subtext {
  color: var(--color-muted);
  font-size: 14.5px;
  margin: 0 0 24px;
}

label {
  display: block;
  font-size: 14px;
  color: var(--color-ink);
  margin-bottom: 6px;
  font-weight: 600;
}

.field {
  margin-bottom: 22px;
}

.field-hint {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 6px;
}

select, input[type="number"], textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 15px;
  padding: 11px 13px;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-ink);
}

select:focus, input:focus, textarea:focus, button:focus-visible {
  outline: 2px solid var(--color-brass);
  outline-offset: 1px;
}

textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.5;
}

/* ---- Buttons ---- */

button {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  padding: 12px 22px;
  transition: background-color 120ms ease;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.btn-primary {
  background: var(--color-navy);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--color-navy-dark); }

.btn-secondary {
  background: transparent;
  color: var(--color-navy);
  border: 1.5px solid var(--color-navy);
}
.btn-secondary:hover:not(:disabled) { background: rgba(27,42,74,0.06); }

.btn-mic {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--color-brass);
  color: #fff;
}
.btn-mic:hover:not(:disabled) { background: #8a6825; }
.btn-mic.listening {
  background: var(--color-weak);
  animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(139,58,58,0.35); }
  50% { box-shadow: 0 0 0 8px rgba(139,58,58,0); }
}

.actions {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 8px;
  flex-wrap: wrap;
}

/* ---- Setup screen ---- */

.exam-choice {
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: #fff;
}

.exam-choice-name {
  font-weight: 600;
  font-size: 15px;
}

.exam-choice-desc {
  color: var(--color-muted);
  font-size: 13.5px;
  margin-top: 2px;
}

.category-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.category-choice {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  padding: 10px 14px;
  background: #fff;
  cursor: pointer;
  font-size: 14.5px;
  flex: 1 1 calc(50% - 10px);
  min-width: 160px;
}

.category-choice input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-navy);
  flex-shrink: 0;
}

.category-choice-label {
  font-weight: 500;
}

.persona-note {
  font-size: 13px;
  color: var(--color-brass);
  font-style: italic;
  margin: -14px 0 24px;
}

.panel-persona {
  font-size: 12.5px;
  color: var(--color-brass);
  font-style: italic;
  margin: 0 0 14px;
}

.disclaimer {
  margin-top: 22px;
  font-size: 12.5px;
  color: var(--color-muted);
  border-top: 1px solid var(--color-rule);
  padding-top: 14px;
}

/* ---- Session header (topic + timer) ---- */

.session-bar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4px;
}

.session-topic {
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--color-navy-dark);
}

.timer {
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-navy);
}

.timer.low {
  color: var(--color-weak);
}

.progress-label {
  font-size: 13.5px;
  color: var(--color-muted);
  margin-bottom: 22px;
}

/* ---- Question block ---- */

.question-kind {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-brass);
  margin-bottom: 8px;
}

.question-text {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.5;
  color: var(--color-ink);
  margin: 0 0 22px;
}

.listen-status {
  font-size: 13.5px;
  color: var(--color-muted);
  min-height: 18px;
  margin-top: 8px;
}

.mic-icon {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  display: inline-block;
}

/* ---- Loading state ---- */

.loading-line {
  color: var(--color-muted);
  font-size: 14.5px;
  font-style: italic;
}

/* ---- Summary screen ---- */

.summary-item {
  border-top: 1px solid var(--color-rule);
  padding: 20px 0;
}
.summary-item:first-child { border-top: none; padding-top: 0; }

.summary-q-label {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.summary-question {
  font-family: var(--font-serif);
  font-size: 17px;
  margin: 0 0 8px;
  color: var(--color-navy-dark);
}

.summary-answer {
  font-size: 14.5px;
  color: var(--color-ink);
  background: #fff;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 8px;
  white-space: pre-wrap;
}

.flag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 20px;
  margin-bottom: 8px;
}
.flag.weak { color: var(--color-weak); background: var(--color-weak-bg); }
.flag.solid { color: var(--color-good); background: var(--color-good-bg); }

.feedback-note {
  font-size: 14px;
  color: var(--color-muted);
  margin: 0 0 6px;
}

.rating-badge {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 20px;
  margin-bottom: 8px;
  margin-left: 8px;
  color: var(--color-navy-dark);
  background: #EFEAE0;
  border: 1px solid var(--color-rule);
}

.model-points {
  margin: 0 0 10px;
  padding: 10px 14px;
  background: #F4F1E8;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
}

.model-points .summary-q-label {
  margin-bottom: 6px;
}

.model-points ul {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  color: var(--color-ink);
}

.model-points li {
  margin-bottom: 3px;
}

.counter-block {
  margin-top: 14px;
  padding-left: 18px;
  border-left: 2px solid var(--color-brass);
}

.error-box {
  background: var(--color-weak-bg);
  border: 1px solid var(--color-weak);
  color: var(--color-weak);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 14px;
  margin-bottom: 20px;
}

.hidden { display: none !important; }

@media (max-width: 480px) {
  .panel { padding: 24px 20px; }
  .letterhead h1 { font-size: 20px; }
  .question-text { font-size: 17px; }
}