/* ============ Design tokens ============ */
:root {
  color-scheme: dark;
  /* App atmosphere */
  --bg-deep: #0b1026;
  --bg-mid: #141a38;
  --card: #181f42;
  --card-edge: rgba(255, 255, 255, 0.08);
  --ink: #f3f4fb;
  --ink-soft: #b8bdd9;
  --ink-muted: #8189ab;
  --glow: #7f9cf5;

  /* Chart tokens (validated dark-mode palette) */
  --surface-1: #1a1a19;
  --series-1: #3987e5;      /* categorical slot 1, dark step */
  --seq-250: #86b6ef;
  --seq-300: #6da7ec;
  --seq-400: #3987e5;
  --seq-500: #256abf;
  --seq-600: #184f95;
  --grid-hairline: #2c2c2a;
  --axis: #383835;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: radial-gradient(120% 120% at 50% 0%, var(--bg-mid) 0%, var(--bg-deep) 60%);
  min-height: 100vh;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

.screen { display: none; min-height: 100vh; }
.screen.active { display: flex; align-items: center; justify-content: center; }
.hidden { display: none !important; }

/* ============ Setup screen ============ */
.setup-inner {
  max-width: 540px;
  padding: 48px 24px;
  text-align: center;
}

.logo-img {
  width: 148px; height: auto;
  margin: 0 auto 24px;
  display: block;
  /* drop-shadow follows the logo's transparent edges (a box-shadow would draw a rectangle) */
  filter: drop-shadow(0 0 34px rgba(96, 165, 250, 0.45));
  animation: orbPulse 6s ease-in-out infinite;
}
@keyframes orbPulse {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 26px rgba(96, 165, 250, 0.35)); }
  50% { transform: scale(1.04); filter: drop-shadow(0 0 48px rgba(96, 165, 250, 0.6)); }
}

h1 { font-size: 2.4rem; font-weight: 650; letter-spacing: -0.02em; margin-bottom: 14px; }
.tagline { color: var(--ink-soft); line-height: 1.65; font-size: 1.02rem; margin-bottom: 36px; }
.tagline em { color: var(--ink); font-style: normal; border-bottom: 1px dotted var(--glow); }

.gate-input {
  display: block;
  width: 100%;
  max-width: 300px;
  margin: 0 auto 16px;
  padding: 14px 20px;
  font-size: 1.05rem;
  text-align: center;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--card-edge);
  border-radius: 999px;
  outline: none;
  transition: border-color 0.2s;
}
.gate-input:focus { border-color: var(--glow); }
.gate-input::placeholder { color: var(--ink-muted); letter-spacing: 0.04em; }
.gate-note {
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-bottom: 14px;
}
.gate-error {
  color: #f0a583;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

/* ============ Onboarding ============ */
#screen-onboard.active { align-items: center; }
.onboard-stage {
  max-width: 560px;
  width: 100%;
  min-height: 70vh;
  padding: 48px 28px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  cursor: default;
}
.onboard-stage.tappable { cursor: pointer; }
.onboard-slide { animation: slideIn 0.6s ease both; display: flex; flex-direction: column; align-items: center; }
@keyframes slideIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
.onboard-beat {
  font-size: 0.78rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--glow);
  margin-bottom: 22px;
}
.onboard-title { font-size: 1.9rem; font-weight: 650; letter-spacing: -0.01em; margin-bottom: 16px; line-height: 1.25; }
.onboard-body { color: var(--ink-soft); font-size: 1.05rem; line-height: 1.7; max-width: 400px; margin-bottom: 30px; }
.onboard-tap { color: var(--ink-muted); font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase; animation: tapPulse 2.4s ease-in-out infinite; }
@keyframes tapPulse { 0%, 100% { opacity: 0.45; } 50% { opacity: 0.9; } }
.onboard-note { color: var(--ink-muted); font-size: 0.85rem; margin-top: 18px; }
.onboard-dots { display: flex; gap: 8px; margin-top: 44px; }
.onboard-dots span { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,0.15); transition: background 0.3s; }
.onboard-dots span.on { background: var(--glow); }

.promise-list { list-style: none; text-align: left; display: flex; flex-direction: column; gap: 14px; margin-bottom: 30px; max-width: 400px; }
.promise-list li {
  padding-left: 26px; position: relative;
  color: var(--ink-soft); font-size: 0.98rem; line-height: 1.55;
}
.promise-list li::before { content: "○"; position: absolute; left: 0; color: var(--glow); }
.quiet-links { margin-top: 26px; display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.quiet-links a, .quiet-links button {
  background: none; border: none; padding: 0;
  color: var(--ink-muted); font-size: 0.82rem;
  text-decoration: underline; cursor: pointer; font-family: inherit;
}
.quiet-links a:hover, .quiet-links button:hover { color: var(--ink-soft); }
.mic-skip { background: none; border: none; color: var(--ink-muted); font-size: 0.85rem; margin-top: 14px; cursor: pointer; text-decoration: underline; font-family: inherit; }
.mic-skip:hover { color: var(--ink-soft); }

.crisis-body { color: var(--ink-soft); font-size: 0.98rem; line-height: 1.75; max-width: 420px; text-align: left; display: flex; flex-direction: column; gap: 14px; margin-bottom: 30px; }
.crisis-body strong { color: var(--ink); }

.picker-label {
  display: block;
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--ink-muted); margin-bottom: 12px;
}
.duration-options { display: flex; gap: 10px; justify-content: center; margin-bottom: 32px; }
.duration-btn {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--card-edge);
  background: rgba(255,255,255,0.04);
  color: var(--ink-soft);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
}
.duration-btn:hover { border-color: var(--glow); color: var(--ink); }
.duration-btn.selected {
  background: var(--glow); border-color: var(--glow);
  color: #0b1026; font-weight: 600;
}

.btn-primary {
  padding: 15px 52px;
  font-size: 1.05rem; font-weight: 600;
  border: none; border-radius: 999px;
  background: linear-gradient(135deg, #93a9f7, var(--glow));
  color: #0b1026;
  cursor: pointer;
  box-shadow: 0 6px 30px rgba(127,156,245,0.35);
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 36px rgba(127,156,245,0.5); }

.privacy-note {
  margin-top: 30px;
  font-size: 0.82rem; line-height: 1.6;
  color: var(--ink-muted);
  max-width: 420px; margin-left: auto; margin-right: auto;
}
.support-warning {
  margin-top: 18px; padding: 12px 16px;
  background: rgba(236, 131, 90, 0.12);
  border: 1px solid rgba(236, 131, 90, 0.4);
  border-radius: 10px;
  color: #f0a583; font-size: 0.9rem;
}

/* ============ Session screen ============ */
.session-inner {
  text-align: center;
  padding: 40px 24px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  width: 100%;
}

.timer {
  font-size: 1.3rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-muted);
  letter-spacing: 0.05em;
  margin-bottom: 26px;
}

.breath-stage { position: relative; width: 280px; height: 280px; display: grid; place-items: center; }

.breath-circle {
  width: 170px; height: 170px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, rgba(174,188,247,0.9), rgba(127,156,245,0.75) 45%, rgba(61,79,158,0.85));
  box-shadow: 0 0 90px rgba(127,156,245,0.4);
  display: grid; place-items: center;
  animation: breathe 10s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { transform: scale(0.78); }
  45%, 55% { transform: scale(1.12); }
}
.breath-cue {
  font-size: 0.85rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(11, 16, 38, 0.85); font-weight: 600;
  transition: opacity 0.35s ease;
}

.ripple {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(127,156,245,0.0);
  pointer-events: none;
}
.ripple.pinging { animation: ripplePing 1.4s ease-out; }
@keyframes ripplePing {
  0% { transform: scale(0.62); border-color: rgba(127,156,245,0.65); }
  100% { transform: scale(1.05); border-color: rgba(127,156,245,0); }
}

.session-hint {
  margin-top: 30px;
  color: var(--ink-muted);
  font-size: 0.95rem;
  max-width: 380px;
  line-height: 1.6;
  min-height: 3em;
  transition: opacity 0.6s;
}
.heard-indicator {
  min-height: 1.4em;
  color: var(--glow);
  font-size: 0.9rem;
  font-style: italic;
  opacity: 0.9;
}

.setup-links { display: flex; gap: 6px; justify-content: center; align-items: center; }
.session-controls { display: flex; gap: 6px; justify-content: center; align-items: center; margin-top: 34px; }
.session-controls .btn-ghost { margin-top: 0; }

.btn-ghost {
  margin-top: 34px;
  background: none; border: none;
  color: var(--ink-muted);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  padding: 8px 16px;
  border-radius: 8px;
}
.btn-ghost:hover { color: var(--ink-soft); background: rgba(255,255,255,0.05); }

/* ============ Results screen ============ */
#screen-results.active { align-items: flex-start; }
.results-inner {
  max-width: 640px; width: 100%;
  padding: 56px 24px 72px;
  display: flex; flex-direction: column; gap: 20px;
}

.results-header { text-align: center; margin-bottom: 4px; }
.results-kicker {
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--ink-muted); margin-bottom: 6px;
}
.results-header h2 { font-size: 1.9rem; font-weight: 650; letter-spacing: -0.01em; }

.score-card {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: 20px;
  padding: 32px 28px;
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}

.score-ring-wrap { position: relative; width: 190px; height: 190px; }
.score-ring { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-track { fill: none; stroke: rgba(255,255,255,0.08); stroke-width: 10; }
.ring-fill {
  fill: none;
  stroke: var(--glow);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 326.7;   /* 2πr, r=52 */
  stroke-dashoffset: 326.7;
  transition: stroke-dashoffset 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.score-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.score-value { font-size: 3.4rem; font-weight: 700; line-height: 1; }
.score-unit { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-muted); margin-top: 6px; }
.score-note { color: var(--ink-soft); text-align: center; line-height: 1.6; font-size: 0.95rem; max-width: 440px; }
.score-tip {
  color: var(--ink-muted);
  text-align: center;
  line-height: 1.6;
  font-size: 0.88rem;
  max-width: 420px;
  padding: 10px 16px;
  background: rgba(127, 156, 245, 0.08);
  border: 1px solid rgba(127, 156, 245, 0.18);
  border-radius: 12px;
}

.kpi-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.kpi-tile {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: 16px;
  padding: 18px 14px;
  display: flex; flex-direction: column; gap: 6px;
  text-align: center;
}
.kpi-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-muted); }
.kpi-value { font-size: 1.5rem; font-weight: 650; }
.kpi-word { font-size: 1.15rem; line-height: 1.25; }

button.kpi-tile { font-family: inherit; color: inherit; align-items: center; }
.kpi-clickable { cursor: pointer; transition: border-color 0.2s; }
.kpi-clickable:hover { border-color: var(--glow); }
.kpi-dots { font-size: 0.82rem; letter-spacing: 4px; margin-top: 2px; }
.kpi-dots .dot-on { color: var(--glow); }
.kpi-dots .dot-off { color: rgba(255, 255, 255, 0.18); }
.kpi-explain { font-size: 0.78rem; color: var(--ink-soft); line-height: 1.5; margin-top: 8px; text-align: center; }
.kpi-hint { font-size: 0.62rem; color: var(--ink-muted); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 6px; }

/* ---- Viz cards (chart chrome follows dataviz tokens) ---- */
.viz-card {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: 20px;
  padding: 26px 24px;
}
.viz-card h3 { font-size: 1.05rem; font-weight: 640; margin-bottom: 4px; }
.viz-sub { font-size: 0.85rem; color: var(--ink-muted); margin-bottom: 20px; line-height: 1.5; }
.viz-empty { color: var(--ink-soft); font-size: 0.95rem; padding: 8px 0; }

/* Timeline: one series of thin columns, sequential hue */
.timeline-chart {
  display: flex; align-items: flex-end; gap: 2px;
  height: 90px;
  border-bottom: 1px solid var(--axis);
  padding-bottom: 0;
}
.timeline-bin {
  flex: 1;
  min-height: 2px;
  background: var(--series-1);
  border-radius: 3px 3px 0 0;
  opacity: 0.95;
  transition: opacity 0.15s;
}
.timeline-bin.quiet { background: rgba(255,255,255,0.07); }
.timeline-bin:hover { opacity: 0.7; }
.timeline-axis {
  display: flex; justify-content: space-between;
  margin-top: 8px;
  font-size: 0.75rem; color: var(--text-muted);
}

/* Theme bars: horizontal, single hue; count sits under the name, never on the bar */
.theme-chart { display: flex; flex-direction: column; gap: 20px; }
.theme-row { display: grid; grid-template-columns: 150px 1fr; gap: 14px; align-items: center; }
.theme-info { display: flex; flex-direction: column; gap: 3px; text-align: right; }
.theme-name { font-size: 0.88rem; color: var(--ink-soft); line-height: 1.3; }
.theme-count { font-size: 0.78rem; font-style: italic; color: var(--ink-muted); }
.theme-track { position: relative; height: 22px; }
.theme-bar {
  position: absolute; left: 0; top: 0; bottom: 0;
  background: var(--series-1);
  border-radius: 0 4px 4px 0;
  min-width: 4px;
  transition: width 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Progress screen */
#screen-progress.active { align-items: flex-start; }

.range-toggle { display: flex; gap: 10px; justify-content: center; margin-bottom: 4px; }
.range-btn {
  padding: 9px 22px;
  border-radius: 999px;
  border: 1px solid var(--card-edge);
  background: rgba(255,255,255,0.04);
  color: var(--ink-soft);
  font-size: 0.92rem;
  cursor: pointer;
  transition: all 0.2s;
}
.range-btn:hover { border-color: var(--glow); color: var(--ink); }
.range-btn.selected {
  background: var(--glow); border-color: var(--glow);
  color: #0b1026; font-weight: 600;
}

.kpi-row-4 { grid-template-columns: repeat(4, 1fr); }

.trend-chart {
  display: flex; align-items: flex-end; gap: 4px;
  height: 150px;
  border-bottom: 1px solid var(--axis);
}
.trend-slot {
  flex: 1;
  height: 100%;
  display: flex; align-items: flex-end; justify-content: center;
}
.trend-bar {
  width: 100%;
  max-width: 46px;
  background: var(--series-1);
  border-radius: 4px 4px 0 0;
  min-height: 3px;
  transition: height 0.7s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.15s;
}
.trend-bar:hover { opacity: 0.75; }
.trend-bar.empty { background: rgba(255,255,255,0.07); height: 3px !important; }

.link-btn {
  background: none; border: none;
  color: var(--ink-muted);
  font-size: inherit;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}
.link-btn:hover { color: #e66767; }

@media (max-width: 560px) {
  .kpi-row-4 { grid-template-columns: repeat(2, 1fr); }
}

/* Export / to-dos */
.todo-list { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.todo-list li {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.04);
  border-radius: 10px;
  font-size: 0.92rem; line-height: 1.5;
  color: var(--ink-soft);
}
.todo-list li::before {
  content: "☐";
  color: var(--glow);
  font-size: 1.05rem;
  line-height: 1.3;
}
.export-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-secondary {
  padding: 10px 20px;
  font-size: 0.92rem; font-weight: 600;
  border-radius: 999px;
  border: 1px solid var(--card-edge);
  background: rgba(255,255,255,0.06);
  color: var(--ink);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-secondary:hover { border-color: var(--glow); background: rgba(127,156,245,0.15); }
.export-feedback { min-height: 1.2em; margin-top: 10px; font-size: 0.85rem; color: var(--glow); }

/* Transcript */
.transcript-toggle {
  background: none; border: none;
  color: var(--ink-soft); font-size: 0.95rem; font-weight: 600;
  cursor: pointer; padding: 0;
}
.transcript-toggle:hover { color: var(--ink); }
.transcript-list { list-style: none; margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.transcript-list li {
  padding: 12px 14px;
  background: rgba(255,255,255,0.04);
  border-radius: 10px;
  font-size: 0.92rem; line-height: 1.5;
  color: var(--ink-soft);
}
.transcript-time { color: var(--ink-muted); font-size: 0.78rem; font-variant-numeric: tabular-nums; margin-right: 10px; }

.results-actions { display: flex; justify-content: center; margin-top: 8px; }

/* Tooltip */
.tooltip {
  position: fixed;
  background: #0b1026;
  border: 1px solid var(--card-edge);
  color: var(--ink);
  font-size: 0.8rem;
  padding: 8px 12px;
  border-radius: 8px;
  pointer-events: none;
  z-index: 50;
  max-width: 260px;
  line-height: 1.5;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

@media (max-width: 560px) {
  .kpi-row { grid-template-columns: 1fr; }
  .theme-row { grid-template-columns: 105px 1fr; }
  .theme-name { font-size: 0.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  .breath-circle, .logo-img { animation: none; }
  .ring-fill, .theme-bar { transition: none; }
}