/* ============================================================
   PedalSync — Master Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---- Design Tokens ---- */
:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-raised: #1a1a1a;
  --border: #2a2a2a;
  --gold: #F2A900;
  --gold-dim: #8a6200;
  --gold-glow: rgba(242, 169, 0, 0.15);
  --green: #00E676;
  --red: #FF3D00;
  --text: #e0e0e0;
  --text-dim: #666;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

/* ---- Utility ---- */
.hidden { display: none !important; }


/* ============================================================
   LANDING / GATE
   ============================================================ */
#gate {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}
#gate h1 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-bottom: 4px;
}
#gate .tagline {
  font-size: 1.2rem;
  color: var(--text);
  letter-spacing: 0.06em;
  margin-bottom: 32px;
}
.gate-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 360px;
}
.gate-form input {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 14px 16px;
  outline: none;
  text-align: center;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.gate-form input:focus { border-color: var(--gold); }
.gate-form input::placeholder { color: var(--text-dim); letter-spacing: 0.1em; text-transform: none; }

.btn-primary {
  background: var(--gold);
  color: #000;
  border: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.1em;
  padding: 14px 24px;
  cursor: pointer;
  text-transform: uppercase;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary:active { transform: scale(0.97); }
.btn-primary:disabled { background: var(--text-dim); cursor: not-allowed; }

.gate-error {
  color: var(--red);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-align: center;
  min-height: 1.2em;
}
.gate-note {
  font-size: 0.95rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 24px;
  line-height: 1.8;
}
.gate-features {
  list-style: none;
  text-align: center;
  margin-top: 20px;
  padding: 0;
}
.gate-features li {
  font-size: 1rem;
  color: var(--text);
  letter-spacing: 0.04em;
  padding: 6px 0;
}
.gate-features li span { color: var(--gold); margin-right: 8px; }

/* Landing page sections */
.landing-section {
  width: 100%;
  max-width: 480px;
  margin-bottom: 24px;
}
.landing-label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 10px;
  padding-left: 2px;
}
.landing-what {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.7;
  text-align: center;
  padding: 0 8px;
}
.landing-help {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
  text-align: center;
  margin-bottom: 16px;
}

/* Equipment status grid */
.equip-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}
@media (max-width: 500px) {
  .equip-grid { grid-template-columns: 1fr; }
}
.equip-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 14px 12px;
  text-align: center;
}
.equip-status {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  display: inline-block;
  margin-bottom: 8px;
}
.equip-status.live {
  color: var(--green);
  border: 1px solid var(--green);
}
.equip-status.coming {
  color: var(--gold);
  border: 1px solid var(--gold-dim);
}
.equip-name {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 4px;
}
.equip-models {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}

/* Contact button */
.btn-contact {
  display: block;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--gold);
  text-decoration: none;
  padding: 14px 24px;
  border: 1px solid var(--gold-dim);
  background: var(--surface);
  letter-spacing: 0.03em;
}
.btn-contact:active {
  background: rgba(242, 169, 0, 0.08);
  border-color: var(--gold);
}


/* ============================================================
   CONNECT SCREEN
   ============================================================ */
#connect-screen {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  text-align: center;
}
#connect-screen h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin-bottom: 8px;
}
#connect-screen .subtitle {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 32px;
  line-height: 1.5;
}
.btn-connect {
  background: var(--gold);
  color: #000;
  border: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  padding: 18px 48px;
  cursor: pointer;
  text-transform: uppercase;
  margin-bottom: 16px;
  width: 100%;
  max-width: 320px;
}
.btn-connect:active { transform: scale(0.97); }

.connect-status {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  min-height: 1.2em;
}
.ble-warning {
  font-size: 0.75rem;
  color: var(--text-dim);
  max-width: 320px;
  line-height: 1.5;
  margin-top: 24px;
}
.connect-divider {
  width: 100%;
  max-width: 320px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}
.connect-divider::before,
.connect-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.btn-install {
  background: var(--surface);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.1em;
  padding: 14px 48px;
  cursor: pointer;
  text-transform: uppercase;
  width: 100%;
  max-width: 320px;
  margin-bottom: 8px;
}
.btn-install:active { transform: scale(0.97); }
.install-note {
  font-size: 0.75rem;
  color: var(--text-dim);
  max-width: 320px;
  line-height: 1.5;
  text-align: center;
}


/* ============================================================
   SHARED DASHBOARD CHROME
   ============================================================ */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}
.header-left h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
  line-height: 1;
}
.header-left .bike-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 3px;
}
.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}
.stat-unit {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-left: 2px;
}
.controls-bar {
  display: flex;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.btn-sm {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 10px 12px;
  cursor: pointer;
  text-transform: uppercase;
  flex: 1;
  text-align: center;
  -webkit-tap-highlight-color: transparent;
}
.btn-sm:active { border-color: var(--gold); color: var(--gold); }


/* ============================================================
   BIKE DASHBOARD
   ============================================================ */
#dashboard {
  display: none;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 12px;
  max-width: 900px;
  margin: 0 auto;
}
.top-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}
.top-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: center;
  position: relative;
}
.top-stat::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--gold-dim);
  transition: background 0.3s;
}
.top-stat.active::before {
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold-glow);
}
.top-stat .stat-label {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 2px;
}
.top-stat .stat-value {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1;
}
.top-stat.active .stat-value { color: var(--gold); }

.secondary-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.sec-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px;
  text-align: center;
}
.sec-stat .stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 1px;
}
.sec-stat .stat-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text);
}


/* ============================================================
   ROWER DASHBOARD
   ============================================================ */
#rower-dashboard {
  display: none;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 12px;
  max-width: 900px;
  margin: 0 auto;
}
.rower-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}
.rower-hero-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 14px 12px;
  text-align: center;
  position: relative;
}
.rower-hero-stat::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--gold-dim);
  transition: background 0.3s;
}
.rower-hero-stat.active::before {
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold-glow);
}
.rower-hero-stat .stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 2px;
}
.rower-hero-stat .stat-value {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1;
}
.rower-hero-stat.active .stat-value { color: var(--gold); }
.rower-hero-stat.split-stat .stat-value { font-size: 2rem; }

.rower-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.rower-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px;
  text-align: center;
}
.rower-stat .stat-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 1px;
}
.rower-stat .stat-value {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text);
}


/* ============================================================
   TREADMILL DASHBOARD
   ============================================================ */
#treadmill-dashboard {
  display: none;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 12px;
  max-width: 900px;
  margin: 0 auto;
}
.tread-hero {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}
.tread-hero-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 14px 12px;
  text-align: center;
  position: relative;
}
.tread-hero-stat::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--gold-dim);
  transition: background 0.3s;
}
.tread-hero-stat.active::before {
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold-glow);
}
.tread-hero-stat .stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 2px;
}
.tread-hero-stat .stat-value {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1;
}
.tread-hero-stat.active .stat-value { color: var(--gold); }

.tread-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.tread-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px;
  text-align: center;
}
.tread-stat .stat-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 1px;
}
.tread-stat .stat-value {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text);
}

.tread-unverified {
  font-size: 0.65rem;
  color: var(--text-dim);
  text-align: center;
  padding: 6px 12px;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
  line-height: 1.5;
}


/* ============================================================
   AI COACH — Shared (Bike + Rower)
   ============================================================ */
.coach-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-bottom: 12px;
}

/* Setup state */
.coach-setup {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 16px;
}
.coach-setup-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 4px;
}
.coach-setup-header h2 {
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-transform: uppercase;
}
.coach-subtitle {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.difficulty-row { display: flex; gap: 8px; }
.diff-btn {
  flex: 1;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  padding: 14px 8px;
  cursor: pointer;
  text-transform: uppercase;
  text-align: center;
  -webkit-tap-highlight-color: transparent;
}
.diff-btn.selected {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(242, 169, 0, 0.08);
}

.duration-row { display: flex; align-items: center; gap: 12px; }
.duration-row label {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-transform: uppercase;
  white-space: nowrap;
}
.duration-row select {
  flex: 1;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 12px;
  outline: none;
}

.btn-go {
  background: var(--gold);
  color: #000;
  border: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.12em;
  padding: 18px;
  cursor: pointer;
  text-transform: uppercase;
  margin-top: 4px;
}
.btn-go:active { transform: scale(0.97); }
.btn-go:disabled { background: var(--text-dim); cursor: not-allowed; }

/* Active coaching state */
.coach-active {
  display: none;
  flex-direction: column;
  flex: 1;
  padding: 20px 16px;
}
.coach-active.visible { display: flex; }

.coaching-segment {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.segment-name {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-transform: uppercase;
}
.segment-count {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-dim);
}
.coaching-text {
  font-size: 1.8rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  flex: 1;
  display: flex;
  align-items: center;
  padding: 16px 0;
}
.coaching-targets {
  display: flex;
  gap: 32px;
  justify-content: center;
  margin-bottom: 12px;
}
.target-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}
.target-label {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.target-value {
  font-family: var(--font-mono);
  font-size: 3.2rem;
  font-weight: 500;
  color: var(--gold);
  line-height: 1;
}

.workout-progress-track {
  width: 100%;
  height: 3px;
  background: var(--border);
  margin-bottom: 12px;
}
.workout-progress-fill {
  height: 100%;
  background: var(--gold);
  transition: width 1s ease;
}

.btn-stop {
  width: 100%;
  background: var(--surface-raised);
  border: 1px solid var(--red);
  color: var(--red);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  padding: 12px;
  cursor: pointer;
  text-transform: uppercase;
}
.btn-stop:active { background: var(--red); color: #000; }


/* ============================================================
   SUPPORT BANNER (subtle, dismissible)
   ============================================================ */
.support-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  margin-bottom: 8px;
  background: var(--surface);
  border-left: 2px solid var(--gold-dim);
}
.support-banner-text {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}
.support-banner-text a {
  color: var(--gold);
  text-decoration: none;
}
.support-banner-text a:active {
  text-decoration: underline;
}
.support-banner-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  flex-shrink: 0;
}
.support-banner-close:active {
  color: var(--text);
}

/* Reconnect banner */
.reconnect-banner {
  padding: 10px 16px;
  margin-bottom: 8px;
  background: rgba(255, 61, 0, 0.08);
  border-left: 2px solid var(--red);
  font-size: 0.8rem;
  color: var(--red);
  letter-spacing: 0.04em;
  animation: reconnect-pulse 1.5s ease-in-out infinite;
}
@keyframes reconnect-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}