/* ==========================================================================
   PITH APP EXPERIENCE PROTOTYPE
   Visual language: Warm Editorial Minimalism (matched to trypith.com)
   Purpose: Static mockup of key app screens in phone-frame context
   ========================================================================== */

/* ---------- DESIGN TOKENS ---------- */
:root {
  --color-bg: #FAFAF7;
  --color-bg-warm: #F0EBE1;
  --color-bg-dark: #1A1A1E;
  --color-bg-dark-alt: #232328;
  --color-bg-card: #FFFFFF;

  --color-accent: #B85C38;
  --color-accent-hover: #A34E2E;
  --color-accent-light: rgba(184, 92, 56, 0.08);
  --color-green: #2B4C3F;
  --color-green-light: #3D6B5E;
  --color-gold: #C49B5C;
  --color-gold-muted: rgba(196, 155, 92, 0.15);

  --color-text: #1A1A1E;
  --color-text-secondary: #6B6862;
  --color-text-muted: #9B9790;
  --color-text-on-dark: #F0EBE1;

  --color-border: rgba(26, 26, 30, 0.08);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-ui: 'Inter', -apple-system, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
  --shadow-elevated: 0 4px 20px rgba(0,0,0,0.08);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-ui);
  background: var(--color-bg-warm);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ---------- SCREEN NAVIGATION ---------- */
.screen-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-bg-dark);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.screen-nav__inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.screen-nav__logo {
  font-family: var(--font-ui);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-on-dark);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}
.screen-nav__tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.screen-nav__tab {
  background: none;
  border: none;
  color: rgba(240, 235, 225, 0.5);
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 100px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 200ms;
}
.screen-nav__tab:hover { color: rgba(240, 235, 225, 0.8); }
.screen-nav__tab.active {
  background: rgba(240, 235, 225, 0.12);
  color: var(--color-text-on-dark);
}

/* ---------- PHONE FRAME ---------- */
.phone-frame {
  position: relative;
  width: 390px;
  height: 844px;
  margin-top: 80px;
  margin-bottom: 40px;
  background: #000;
  border-radius: 54px;
  padding: 12px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.15), 0 0 0 1px rgba(255,255,255,0.05);
}
.phone-frame__notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 126px;
  height: 34px;
  background: #000;
  border-radius: 0 0 24px 24px;
  z-index: 10;
}
.phone-frame__screen {
  width: 100%;
  height: 100%;
  border-radius: 42px;
  overflow: hidden;
  position: relative;
  background: var(--color-bg);
}

/* ---------- APP SCREEN ---------- */
.app-screen {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overflow-x: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms;
  -webkit-overflow-scrolling: touch;
}
.app-screen.active {
  opacity: 1;
  pointer-events: auto;
}
.app-screen::-webkit-scrollbar { display: none; }

/* ---------- STATUS BAR ---------- */
.status-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 28px 8px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.8125rem;
  font-weight: 600;
}
.status-bar--dark {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}
.status-bar__icons { display: flex; gap: 6px; align-items: center; }

/* ---------- APP HEADER (Home) ---------- */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 8px 20px 16px;
}
.app-header__time-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: 2px;
}
.app-header__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.app-header__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
}

/* ---------- CARDS ---------- */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  margin: 0 16px 12px;
  padding: 16px;
  border: 1px solid var(--color-border);
}
.card__title {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

/* Streak Card */
.card--streak {
  background: var(--color-bg-warm);
  border: none;
}
.streak-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}
.streak-display__count { display: flex; align-items: baseline; gap: 6px; }
.streak-display__number {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}
.streak-display__label {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}
.streak-display__dots { display: flex; gap: 6px; }
.dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 700;
}
.dot--done { background: var(--color-green); }
.dot--rest {
  background: transparent;
  border: 2px dashed var(--color-text-muted);
  color: var(--color-text-muted);
}
.dot--today {
  background: transparent;
  border: 2.5px solid var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184,92,56,0.15);
}
.streak-display__week {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Session CTA */
.card--session-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  border: 2px solid var(--color-accent);
  background: var(--color-bg-card);
  text-align: left;
  font-family: var(--font-ui);
  transition: all 200ms;
}
.card--session-cta:active {
  transform: scale(0.98);
  background: var(--color-accent-light);
}
.session-cta__label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 4px;
}
.session-cta__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}
.session-cta__detail {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}
.session-cta__play {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Insight Card */
.card--insight { cursor: pointer; }
.card--insight:active { background: var(--color-accent-light); }
.insight__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.insight__badge {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 3px 10px;
  border-radius: 100px;
}
.insight__confidence {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-gold);
}
.insight__text {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: 14px;
}
.insight__factors { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.factor-row {
  display: grid;
  grid-template-columns: 82px 1fr 52px;
  gap: 8px;
  align-items: center;
}
.factor-row__label {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}
.factor-row__bar-wrap {
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}
.factor-row__bar {
  height: 100%;
  border-radius: 3px;
  background: var(--color-green);
  opacity: 0.7;
}
.factor-row__strength {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: right;
}
.insight__caveat {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  font-style: italic;
  padding-top: 4px;
  border-top: 1px solid var(--color-border);
}

/* Scores Card */
.scores__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.scores__title {
  font-size: 0.875rem;
  font-weight: 600;
}
.scores__trend {
  font-size: 0.8125rem;
  font-weight: 700;
}
.scores__trend--up { color: var(--color-green); }
.scores__chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 80px;
  padding-bottom: 18px;
  position: relative;
}
.chart-bar {
  flex: 1;
  height: var(--height);
  background: var(--color-green);
  border-radius: 4px 4px 0 0;
  position: relative;
  min-height: 2px;
  opacity: 0.75;
  transition: height 300ms;
}
.chart-bar span {
  position: absolute;
  bottom: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--color-text-muted);
}
.chart-bar--rest { background: transparent; border: 1.5px dashed var(--color-text-muted); opacity: 0.4; }
.chart-bar--today { background: var(--color-accent); opacity: 0.5; }

/* ---------- BOTTOM NAV ---------- */
.bottom-nav {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-around;
  padding: 8px 8px 28px;
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  z-index: 5;
}
.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.625rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
  font-family: var(--font-ui);
}
.bottom-nav__item.active { color: var(--color-accent); }

/* ==================== SESSION SCREEN ==================== */
#screen-session {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}
.session-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 20px 16px;
}
.session-header__close {
  background: none;
  border: none;
  color: var(--color-text-on-dark);
  cursor: pointer;
  padding: 8px;
  opacity: 0.6;
}
.session-header__info { text-align: center; }
.session-header__block {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  display: block;
}
.session-header__task {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
}
.progress-dots { display: flex; gap: 6px; }
.progress-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(240,235,225,0.15);
}
.progress-dot--done { background: var(--color-green-light); }
.progress-dot--active { background: var(--color-gold); }

/* Task Area */
.task-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 20px;
  min-height: 520px;
  justify-content: center;
}
.task-area__instruction {
  font-size: 0.875rem;
  color: rgba(240,235,225,0.6);
  text-align: center;
  margin-bottom: 32px;
}
.task-area__instruction strong { color: var(--color-gold); }
.stimulus-letter {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  color: var(--color-text-on-dark);
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(240,235,225,0.06);
  border: 2px solid rgba(240,235,225,0.12);
  margin-bottom: 24px;
}
.task-area__sequence {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
}
.seq-item {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.875rem;
  background: rgba(240,235,225,0.06);
  color: rgba(240,235,225,0.4);
}
.seq-item--current {
  background: rgba(184,92,56,0.2);
  color: var(--color-text-on-dark);
  border: 1.5px solid var(--color-accent);
}
.seq-item--target {
  background: rgba(196,155,92,0.15);
  color: var(--color-gold);
  border: 1.5px solid rgba(196,155,92,0.3);
}
.task-area__actions {
  display: flex;
  gap: 16px;
  width: 100%;
  padding: 0 20px;
}
.task-btn {
  flex: 1;
  padding: 16px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 150ms;
}
.task-btn--match {
  background: var(--color-green);
  color: #fff;
}
.task-btn--match:active { transform: scale(0.96); }
.task-btn--no-match {
  background: rgba(240,235,225,0.08);
  color: var(--color-text-on-dark);
  border: 1.5px solid rgba(240,235,225,0.15);
}
.task-btn--no-match:active { transform: scale(0.96); }
.task-area__trial-count {
  margin-top: 20px;
  font-size: 0.75rem;
  color: rgba(240,235,225,0.35);
}

/* Micro Feedback */
.micro-feedback {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
}
.micro-feedback--correct {
  background: rgba(43, 76, 63, 0.3);
  color: #7dcea0;
}

/* ==================== FLANKER TASK SCREEN ==================== */
#screen-flanker {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.flanker-area {
  justify-content: flex-start;
  padding-top: 16px;
  min-height: auto;
}

/* Flanker Stimulus */
.flanker-stimulus {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 24px;
}
.flanker-arrows {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 28px 24px;
  background: rgba(240,235,225,0.04);
  border: 1.5px solid rgba(240,235,225,0.08);
  border-radius: 20px;
  margin-bottom: 10px;
}
.flanker-arrow {
  font-size: 2.5rem;
  line-height: 1;
  color: rgba(240,235,225,0.3);
  font-weight: 300;
  transition: all 200ms;
}
.flanker-arrow--target {
  font-size: 3.25rem;
  color: var(--color-gold);
  text-shadow: 0 0 24px rgba(196,155,92,0.4);
}
.flanker-arrow--distractor {
  color: rgba(240,235,225,0.25);
}
.flanker-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(240,235,225,0.25);
}

/* Flanker Feedback */
.flanker-feedback {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 32px;
  min-height: 28px;
}
.flanker-feedback__item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 600;
}
.flanker-feedback__item--correct {
  color: #7dcea0;
}
.flanker-feedback__rt {
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.flanker-feedback__rt-value {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-on-dark);
}
.flanker-feedback__rt-unit {
  font-size: 0.6875rem;
  color: rgba(240,235,225,0.4);
  font-weight: 500;
}

/* Flanker Buttons */
.flanker-actions {
  display: flex;
  gap: 20px;
  width: 100%;
  padding: 0 28px;
  margin-bottom: 32px;
}
.flanker-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 20px 16px;
  border: 2px solid rgba(240,235,225,0.1);
  border-radius: var(--radius-lg);
  background: rgba(240,235,225,0.04);
  color: rgba(240,235,225,0.6);
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 150ms;
}
.flanker-btn:active {
  transform: scale(0.95);
}
.flanker-btn--pulse {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(196,155,92,0.08);
  box-shadow: 0 0 20px rgba(196,155,92,0.12);
}
.flanker-btn--pulse svg {
  filter: drop-shadow(0 0 6px rgba(196,155,92,0.3));
}

/* Trial Progress Dots */
.flanker-progress {
  width: 100%;
  padding: 0 20px;
}
.flanker-progress__dots {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}
.fp-dot {
  width: 12px;
  height: 4px;
  border-radius: 2px;
  background: rgba(240,235,225,0.1);
}
.fp-dot--correct {
  background: var(--color-green-light);
}
.fp-dot--wrong {
  background: #E85D75;
  opacity: 0.6;
}
.fp-dot--current {
  background: var(--color-gold);
  width: 16px;
}
.flanker-progress__stats {
  display: flex;
  justify-content: space-between;
  font-size: 0.6875rem;
  color: rgba(240,235,225,0.3);
}
.flanker-progress__accuracy {
  color: var(--color-green-light);
  font-weight: 600;
}

/* ==================== INSIGHTS SCREEN ==================== */
.insights-header {
  padding: 8px 20px 0;
}
.insights-header__title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 2px;
}
.insights-header__subtitle {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}
.insights-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}
.insights-tab {
  background: none;
  border: none;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 100px;
  color: var(--color-text-muted);
  cursor: pointer;
}
.insights-tab.active {
  background: var(--color-text);
  color: var(--color-bg);
}

/* Radar Chart */
.card--radar { text-align: center; }
.radar-chart { padding: 0 8px; }
.radar-svg { width: 100%; max-width: 240px; }
.radar-label {
  font-family: var(--font-ui);
  font-size: 9px;
  font-weight: 600;
  fill: var(--color-text-secondary);
}

/* Trend Chart */
.trend-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.trend-legend { display: flex; gap: 12px; }
.legend-item { font-size: 0.6875rem; color: var(--color-text-muted); display: flex; align-items: center; gap: 4px; }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; }
.legend-dot--score { background: var(--color-accent); }
.legend-dot--supplement { background: rgba(43,76,63,0.3); }
.trend-chart { padding: 8px 0; }
.trend-svg { width: 100%; height: auto; }
.trend-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.625rem;
  color: var(--color-text-muted);
  padding-top: 4px;
}

/* Correlation Card */
.correlation-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.confidence-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-gold);
}
.confidence-bars { display: flex; gap: 2px; }
.bar {
  width: 4px;
  height: 12px;
  border-radius: 2px;
  background: rgba(196,155,92,0.2);
}
.bar--filled { background: var(--color-gold); }
.correlation-factors { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }
.corr-factor {
  display: grid;
  grid-template-columns: 90px 1fr 60px;
  align-items: center;
  gap: 8px;
}
.corr-factor__label { font-size: 0.75rem; font-weight: 500; color: var(--color-text-secondary); }
.corr-factor__bar-container {
  height: 8px;
  background: var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}
.corr-factor__bar {
  height: 100%;
  border-radius: 4px;
  transition: width 500ms;
}
.corr-factor__bar--strong { background: var(--color-green); }
.corr-factor__bar--moderate { background: var(--color-gold); }
.corr-factor__bar--weak { background: var(--color-text-muted); opacity: 0.5; }
.corr-factor__tag {
  font-size: 0.6875rem;
  font-weight: 600;
  text-align: right;
}
.correlation-disclaimer {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  font-style: italic;
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
  line-height: 1.5;
}

/* ==================== ONBOARDING SCREEN ==================== */
.onboarding {
  display: flex;
  flex-direction: column;
  min-height: calc(100% - 36px);
}
.onboarding__progress {
  height: 3px;
  background: var(--color-border);
  margin: 0 20px 24px;
  border-radius: 2px;
  overflow: hidden;
}
.onboarding__progress-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width 400ms;
}
.onboarding__content { flex: 1; padding: 0 20px; }
.onboarding__step {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.onboarding__title {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 8px;
}
.onboarding__subtitle {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}
.onboarding__options { display: flex; flex-direction: column; gap: 10px; }
.option-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-ui);
  transition: all 200ms;
}
.option-card:active { transform: scale(0.98); }
.option-card--selected {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}
.option-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-bg-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}
.option-card--selected .option-card__icon {
  background: rgba(184,92,56,0.1);
  color: var(--color-accent);
}
.option-card__text { display: flex; flex-direction: column; gap: 2px; }
.option-card__text strong { font-size: 0.875rem; font-weight: 600; }
.option-card__text span { font-size: 0.75rem; color: var(--color-text-muted); }
.onboarding__footer {
  display: flex;
  gap: 12px;
  padding: 20px;
}
.btn {
  flex: 1;
  padding: 14px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all 200ms;
}
.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:active { background: var(--color-accent-hover); }
.btn--outline {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
}

/* ==================== WEEKLY REPORT SCREEN ==================== */
.weekly-report {
  padding: 0 0 20px;
}
.weekly-report__close {
  position: absolute;
  top: 52px;
  right: 20px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 8px;
  z-index: 5;
}
.weekly-report__hero {
  text-align: center;
  padding: 16px 20px 24px;
  background: linear-gradient(180deg, var(--color-bg-warm) 0%, var(--color-bg) 100%);
}
.weekly-report__label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.weekly-report__title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.weekly-report__date {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}
.weekly-stats {
  display: flex;
  justify-content: space-around;
  padding: 0 16px 20px;
}
.weekly-stat {
  text-align: center;
}
.weekly-stat__value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  display: block;
}
.weekly-stat__unit {
  font-size: 1rem;
  font-weight: 500;
}
.weekly-stat__label {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Domain rows */
.card--weekly-domains { margin-bottom: 12px; }
.domain-row {
  display: grid;
  grid-template-columns: 110px 1fr 40px;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
}
.domain-row__label { font-size: 0.75rem; font-weight: 500; color: var(--color-text-secondary); }
.domain-row__bar-container {
  height: 8px;
  background: var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}
.domain-row__bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: 4px;
  opacity: 0.7;
}
.domain-row__change {
  font-size: 0.75rem;
  font-weight: 700;
  text-align: right;
}
.domain-row__change--up { color: var(--color-green); }
.domain-row__change--flat { color: var(--color-text-muted); }

/* Weekly Discovery */
.card--weekly-discovery {
  text-align: center;
  padding: 20px 16px;
}
.weekly-discovery__icon { margin-bottom: 10px; }
.weekly-discovery__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.weekly-discovery__text {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 8px;
}
.weekly-discovery__caveat {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* Weekly Milestone */
.card--weekly-milestone {
  background: var(--color-bg-warm);
  border: none;
  text-align: center;
}
.weekly-milestone__label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  margin-bottom: 6px;
}
.weekly-milestone__text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 14px;
}
.milestone-bar {
  height: 8px;
  background: rgba(0,0,0,0.06);
  border-radius: 4px;
  position: relative;
  overflow: visible;
}
.milestone-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-green), var(--color-gold));
  border-radius: 4px;
}
.milestone-bar__marker {
  position: absolute;
  top: 14px;
  transform: translateX(-50%);
  font-size: 0.5625rem;
  font-weight: 600;
  color: var(--color-text-muted);
}
.milestone-bar__marker--current { color: var(--color-accent); font-weight: 700; }

.weekly-report__cta {
  margin: 20px 16px 0;
  display: block;
  width: calc(100% - 32px);
}

/* ==================== SUPPLEMENT LOG SCREEN ==================== */
.supplement-header {
  padding: 8px 20px 16px;
}
.supplement-header__title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 2px;
}
.supplement-header__streak {
  font-size: 0.8125rem;
  color: var(--color-green);
  font-weight: 600;
}

/* Today's Log */
.supplement-today__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.supplement-today__header h3 {
  font-size: 0.875rem;
  font-weight: 600;
}
.supplement-today__date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}
.supplement-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  width: 100%;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-ui);
  margin-bottom: 16px;
}
.supplement-toggle--active {
  border-color: var(--color-green);
  background: rgba(43,76,63,0.04);
}
.supplement-toggle__check {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-green);
  color: #fff;
  flex-shrink: 0;
}
.supplement-toggle__info { display: flex; flex-direction: column; gap: 2px; }
.supplement-toggle__info strong { font-size: 0.875rem; }
.supplement-toggle__info span { font-size: 0.75rem; color: var(--color-text-muted); }

/* Context Check-in */
.supplement-today__context { margin-top: 4px; }
.context-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.context-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
}
.context-row__label { font-size: 0.8125rem; color: var(--color-text-secondary); }
.context-row__stars { display: flex; gap: 4px; }
.star {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0,0,0,0.06);
}
.star--filled { background: var(--color-gold); }

/* Calendar */
.card--calendar {}
.calendar-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  margin-bottom: 6px;
}
.calendar-header span {
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--color-text-muted);
}
.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}
.cal-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  font-weight: 500;
  border-radius: 6px;
  color: var(--color-text-muted);
}
.cal-day--taken {
  background: var(--color-green);
  color: #fff;
  font-weight: 600;
}
.cal-day--rest {
  background: transparent;
  border: 1.5px dashed var(--color-text-muted);
  opacity: 0.5;
}
.cal-day--today {
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
}
.calendar-legend {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 10px;
  font-size: 0.625rem;
  color: var(--color-text-muted);
}
.calendar-legend span { display: flex; align-items: center; gap: 4px; }
.cal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.cal-dot--taken { background: var(--color-green); }
.cal-dot--rest { border: 1.5px dashed var(--color-text-muted); }
.cal-dot--missed { background: rgba(0,0,0,0.08); }

/* ---------- DEMO LAYOUT ---------- */
.demo-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  padding: 0 20px;
}

@media (min-width: 900px) {
  .demo-layout {
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 48px;
    padding: 0 32px;
  }
}

/* ---------- DEMO FEEDBACK PANEL ---------- */
.demo-feedback {
  width: 100%;
  max-width: 400px;
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  margin-bottom: 40px;
}

@media (min-width: 900px) {
  .demo-feedback {
    margin-top: 80px;
    margin-bottom: 40px;
    position: sticky;
    top: 80px;
  }
}

.demo-feedback__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 8px;
  line-height: 1.2;
}

.demo-feedback__subtitle {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.demo-feedback__ratings {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.demo-rating__label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}

.demo-rating__stars {
  display: flex;
  gap: 4px;
}

.demo-star {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-border);
  cursor: pointer;
  padding: 2px;
  transition: color 150ms, transform 150ms;
  line-height: 1;
}

.demo-star:hover,
.demo-star--active {
  color: var(--color-gold);
  transform: scale(1.15);
}

.demo-feedback__select {
  width: 100%;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%236B6862' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
}

.demo-feedback__select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184, 92, 56, 0.1);
}

.demo-feedback__label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}

.demo-feedback__textarea {
  width: 100%;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  resize: vertical;
  min-height: 80px;
  transition: border-color 200ms, box-shadow 200ms;
  margin-bottom: 12px;
}

.demo-feedback__textarea::placeholder {
  color: var(--color-text-muted);
}

.demo-feedback__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184, 92, 56, 0.1);
}

.demo-feedback__row {
  display: flex;
  gap: 8px;
}

.demo-feedback__email {
  flex: 1;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  min-width: 0;
}

.demo-feedback__email::placeholder {
  color: var(--color-text-muted);
}

.demo-feedback__email:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184, 92, 56, 0.1);
}

.demo-feedback__btn {
  flex-shrink: 0;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: #fff;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background 200ms;
}

.demo-feedback__btn:hover {
  background: var(--color-accent-hover);
}

.demo-feedback__success {
  text-align: center;
  padding: 16px 0;
}

.demo-feedback__success-text {
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--color-green);
  font-weight: 500;
  margin-bottom: 16px;
}

.demo-feedback__cta-link {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  transition: color 200ms;
}

.demo-feedback__cta-link:hover {
  color: var(--color-accent-hover);
}

/* ---------- SCROLL HINT (mobile, below phone) ---------- */
.demo-scroll-hint {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 8px 0 0;
  color: var(--color-text-muted);
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: demoFloat 3s ease-in-out infinite;
}

.demo-scroll-hint__line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: demoScrollLine 2s ease-in-out infinite;
}

@keyframes demoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes demoScrollLine {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- MAXIMIZE BUTTON (mobile) ---------- */
.demo-maximize {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  border: none;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.2s;
  position: absolute;
  bottom: -18px;
  right: 8px;
  z-index: 20;
}

.demo-maximize:hover,
.demo-maximize:active {
  background: rgba(0, 0, 0, 0.8);
}

.demo-maximize svg {
  width: 16px;
  height: 16px;
  stroke: #fff;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- PHONE WRAPPER (for maximize positioning) ---------- */
.demo-phone-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 440px) {
  .demo-scroll-hint {
    display: flex;
  }

  .demo-maximize {
    display: flex;
  }

  .phone-frame {
    width: calc(100vw - 48px);
    height: auto;
    aspect-ratio: 390 / 844;
    border-radius: 32px;
    padding: 8px;
    margin-top: 60px;
    margin-bottom: 0;
  }
  .phone-frame__notch { display: none; }
  .phone-frame__screen {
    border-radius: 24px;
    height: 100%;
    overflow: hidden;
  }

  /* Scale inner content to fit the smaller frame */
  .phone-frame__screen {
    position: relative;
  }

  .app-screen {
    /* Content was designed at 366x820 (390-24 padding x 844-24 padding).
       Scale it down to fit the smaller container. */
    transform-origin: top left;
  }

  /* Maximized state */
  .demo-phone-wrapper--maximized .phone-frame {
    width: calc(100vw - 16px);
    border-radius: 24px;
    padding: 6px;
  }

  .demo-phone-wrapper--maximized .phone-frame__screen {
    border-radius: 18px;
  }

  .demo-phone-wrapper--maximized .demo-scroll-hint {
    display: none;
  }

  .demo-feedback {
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .demo-feedback__row {
    flex-direction: column;
  }

  .demo-feedback__btn {
    width: 100%;
    text-align: center;
  }
}