/* =========================================================
   TOKENS
   Design concept: a career "diagnostic scan report" — the job
   description is the case file, the six-dimension radar is a
   risk scan with concentric colour bands, not a generic SaaS
   dashboard.
========================================================= */
:root {
  --bg: #F4F5F1;
  --surface: #FFFFFF;
  --surface-sunken: #EEF0EA;
  --ink: #1E2A24;
  --ink-secondary: #5B6660;
  --ink-faint: #8B948E;
  --border: rgba(30, 42, 36, 0.12);
  --border-strong: rgba(30, 42, 36, 0.22);

  --accent: #2F6F72;
  --accent-ink: #1E4B4D;

  --risk-low: #3F7D5C;
  --risk-low-bg: #E7F0E7;
  --risk-medium: #B98A2E;
  --risk-medium-bg: #F6EEDC;
  --risk-high: #C1622D;
  --risk-high-bg: #F7E7DC;
  --risk-critical: #B5473F;
  --risk-critical-bg: #F7E1DE;

  --font-serif: 'Noto Serif TC', serif;
  --font-sans: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10140F;
    --surface: #171D18;
    --surface-sunken: #1D241E;
    --ink: #EAEFE7;
    --ink-secondary: #A6B0A2;
    --ink-faint: #6E786A;
    --border: rgba(234, 239, 231, 0.10);
    --border-strong: rgba(234, 239, 231, 0.18);
    --risk-low-bg: rgba(63,125,92,0.16);
    --risk-medium-bg: rgba(185,138,46,0.16);
    --risk-high-bg: rgba(193,98,45,0.16);
    --risk-critical-bg: rgba(181,71,63,0.18);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* subtle grain/scan texture on the page, purely ambient */
.scan-texture {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image:
    repeating-linear-gradient(0deg, rgba(30,42,36,0.015) 0px, rgba(30,42,36,0.015) 1px, transparent 1px, transparent 3px);
}

/* =========================================================
   HEADER / FOOTER
========================================================= */
.site-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 22px clamp(20px, 5vw, 56px) 0;
  max-width: 980px;
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 8px; }
.brand-mark {
  font-size: 20px;
  color: var(--accent);
}
.brand-name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
}
.brand-tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 20px 32px;
  font-size: 12px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
}

/* =========================================================
   LAYOUT
========================================================= */
main {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  padding: 0 clamp(16px, 5vw, 56px) 60px;
}

.view { animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* =========================================================
   INPUT VIEW
========================================================= */
.input-view {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.input-card {
  width: 100%;
  max-width: 620px;
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 5vw, 44px);
  box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}
.input-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 30px);
  margin: 0 0 10px;
  line-height: 1.3;
}
.input-subtitle {
  color: var(--ink-secondary);
  font-size: 14.5px;
  margin: 0 0 26px;
}

.input-tabs {
  display: inline-flex;
  background: var(--surface-sunken);
  border-radius: 999px;
  padding: 3px;
  margin-bottom: 18px;
}
.input-tab {
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-secondary);
  padding: 8px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.input-tab.active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.input-panel { display: none; }
.input-panel.active { display: block; }

.text-field {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: var(--ink);
  background: var(--surface-sunken);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 13px 14px;
  outline: none;
  transition: border-color 0.15s;
}
.text-field:focus { border-color: var(--accent); }
.textarea { resize: vertical; font-family: var(--font-sans); }

.field-hint {
  font-size: 12px;
  color: var(--ink-faint);
  margin: 8px 2px 0;
}

.input-error {
  color: var(--risk-critical);
  background: var(--risk-critical-bg);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 13px;
  margin: 16px 0 0;
}

.btn-primary {
  margin-top: 22px;
  width: 100%;
  background: var(--accent-ink);
  color: #F4F5F1;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover { background: var(--accent); }
.btn-primary:active { transform: scale(0.99); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.result-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.result-actions .btn-secondary { margin: 8px 0 0; }

.btn-secondary {
  display: block;
  margin: 8px auto 0;
  background: transparent;
  border: 0.5px solid var(--border-strong);
  color: var(--ink-secondary);
  border-radius: var(--radius-md);
  padding: 12px 26px;
  font-family: var(--font-sans);
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent-ink); }

/* =========================================================
   LOADING VIEW — radar sonar-sweep motif
========================================================= */
.loading-view {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 26px;
}
.scan-loader {
  position: relative;
  width: 120px;
  height: 120px;
}
.scan-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0;
  animation: scanPulse 2.1s ease-out infinite;
}
.scan-ring.r2 { animation-delay: 0.7s; }
.scan-ring.r3 { animation-delay: 1.4s; }
@keyframes scanPulse {
  0% { transform: scale(0.3); opacity: 0.7; }
  100% { transform: scale(1); opacity: 0; }
}
.scan-dot {
  position: absolute;
  top: 50%; left: 50%;
  width: 10px; height: 10px;
  margin: -5px 0 0 -5px;
  background: var(--accent);
  border-radius: 50%;
}
.loading-message {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-secondary);
  letter-spacing: 0.02em;
}

/* =========================================================
   REPORT BLOCKS
========================================================= */
.report-block {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 4vw, 30px);
  margin-bottom: 18px;
}
.section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 17px;
  margin: 0 0 4px;
}
.section-subtitle {
  color: var(--ink-secondary);
  font-size: 13px;
  margin: 0 0 16px;
}

/* Hero */
.hero-block { padding-top: clamp(22px, 4vw, 32px); }
.hero-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.case-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.job-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 28px);
  margin: 0;
}
.risk-badge {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 13.5px;
  padding: 7px 16px;
  border-radius: 999px;
  white-space: nowrap;
}
.risk-badge.low { background: var(--risk-low-bg); color: var(--risk-low); }
.risk-badge.medium { background: var(--risk-medium-bg); color: var(--risk-medium); }
.risk-badge.high { background: var(--risk-high-bg); color: var(--risk-high); }
.risk-badge.critical { background: var(--risk-critical-bg); color: var(--risk-critical); }

.hero-body {
  display: flex;
  align-items: center;
  gap: clamp(20px, 5vw, 40px);
  margin-top: 24px;
  flex-wrap: wrap;
}
.gauge-wrap { position: relative; width: 160px; height: 160px; flex-shrink: 0; }
.gauge-svg { width: 100%; height: 100%; }
.gauge-track { fill: none; stroke: var(--surface-sunken); stroke-width: 10; }
.gauge-fill {
  fill: none;
  stroke: var(--risk-medium);
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset 1.4s cubic-bezier(0.22,1,0.36,1), stroke 0.4s;
}
.gauge-number {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
}
#gauge-value { font-size: 34px; }
.gauge-percent { font-size: 16px; color: var(--ink-faint); margin-left: 2px; }

.hero-summary { flex: 1; min-width: 220px; }
.hero-summary-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 6px;
}
.summary-text { font-size: 14.5px; color: var(--ink); margin: 0; }

/* Task list */
.task-list { display: flex; flex-direction: column; gap: 14px; }
.task-row { display: flex; align-items: center; gap: 14px; }
.task-name { flex: 0 0 auto; width: 30%; min-width: 110px; font-size: 13.5px; color: var(--ink); }
.task-track {
  flex: 1;
  height: 8px;
  background: var(--surface-sunken);
  border-radius: 999px;
  overflow: hidden;
}
.task-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  transition: width 1s cubic-bezier(0.22,1,0.36,1);
}
.task-score {
  flex: 0 0 auto;
  width: 42px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-secondary);
}
.task-reason {
  display: none;
}

/* Chart grid */
.chart-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 18px;
}
@media (max-width: 760px) {
  .chart-grid { grid-template-columns: 1fr; }
}

.chart-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.chart-toggle {
  display: inline-flex;
  background: var(--surface-sunken);
  border-radius: 999px;
  padding: 3px;
}
.chart-toggle-btn {
  border: none;
  background: transparent;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--ink-secondary);
}
.chart-toggle-btn.active { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,0.06); }

.radar-canvas-wrap { position: relative; }
.sweep-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(47,111,114,0.28), transparent 35%);
  opacity: 0;
  transform: scale(0.9);
}
.sweep-overlay.sweeping {
  animation: sweep 1.3s cubic-bezier(0.22,1,0.36,1);
}
@keyframes sweep {
  0% { opacity: 0.9; transform: rotate(0deg) scale(0.9); }
  85% { opacity: 0.35; }
  100% { opacity: 0; transform: rotate(300deg) scale(0.9); }
}

.zone-legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 14px;
  font-size: 12px;
  color: var(--ink-secondary);
}
.zone-chip { display: inline-flex; align-items: center; gap: 6px; }
.zone-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.zone-dot.low { background: var(--risk-low); }
.zone-dot.medium { background: var(--risk-medium); }
.zone-dot.high { background: var(--risk-high); }
.zone-dot.critical { background: var(--risk-critical); }

.dimension-legend {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 0.5px solid var(--border);
}
.dimension-legend-item {
  display: flex;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-secondary);
}
.dimension-legend-item b {
  color: var(--ink);
  font-weight: 500;
  flex-shrink: 0;
}

/* Recommendations */
.recommendation-list { display: flex; flex-direction: column; gap: 10px; }
.recommendation-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--surface-sunken);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}
.recommendation-index {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--surface);
  border: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-ink);
}
.recommendation-text { font-size: 13.5px; color: var(--ink); }

/* Methodology */
.methodology {
  font-size: 13px;
  color: var(--ink-secondary);
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 26px;
}
.methodology summary {
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--ink);
}
.methodology ul { margin: 10px 0; padding-left: 18px; }
.methodology .disclaimer { color: var(--ink-faint); font-size: 12px; margin-top: 10px; }