:root {
  --bg: #0b1020;
  --panel: rgba(255, 255, 255, 0.04);
  --stroke: rgba(255, 255, 255, 0.08);
  --accent: #0edec4;
  --accent-2: #f4a261;
  --push: #f4a261;
  --pull: #3fa9f5;
  --squat: #7ddf89;
  --core: #e9c46a;
  --cardio: #f3722c;
  --mobility: #8ecae6;
  --text: #f7f9ff;
  --muted: #9fb0c7;
  --danger: #ff6b6b;
  font-family: "Space Grotesk", "DM Sans", "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--bg);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  --page-pad: 18px;
  background: radial-gradient(circle at 12% 15%, rgba(14, 222, 196, 0.08), transparent 35%),
    radial-gradient(circle at 80% 0%, rgba(244, 162, 97, 0.08), transparent 32%),
    var(--bg);
  color: var(--text);
  padding: var(--page-pad);
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}

.orb {
  position: absolute;
  filter: blur(60px);
  opacity: 0.35;
}
.orb-a {
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(14, 222, 196, 0.32), transparent 60%);
  top: -120px; right: 4%;
}
.orb-b {
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(244, 162, 97, 0.32), transparent 60%);
  bottom: -140px; left: 8%;
}

h1, h2, h3, h4 { margin: 0; letter-spacing: -0.02em; }
p { margin: 0; color: var(--muted); }

.app {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 1200px;
  margin: 0 auto 40px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 16px;
  padding: 16px 18px;
  backdrop-filter: blur(6px);
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.2);
  min-height: 0;
  overflow-y: auto;
}

.topbar {
  display: flex;
  gap: 14px;
  justify-content: space-between;
  align-items: center;
}

.topbar h1 { font-size: clamp(22px, 4vw, 30px); }
.lede { max-width: 620px; font-size: 15px; }

.screen-stack {
  display: grid;
  gap: 12px;
  min-height: 100%;
}

.screen {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: calc(100dvh - (var(--page-pad) * 2));
  max-height: calc(100dvh - (var(--page-pad) * 2));
}
.screen > .panel {
  flex: 1;
  min-height: 0;
}

.heading-block {
  padding-bottom: 8px;
}

.heading-block h2,
.heading-block h3 {
  margin-bottom: 8px;
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.row.between { justify-content: space-between; }

.control-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}
.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.training-list {
  display: grid;
  gap: 10px;
}

.training-card {
  border: 1px solid var(--stroke);
  border-radius: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) auto;
  gap: 12px;
  text-align: left;
  cursor: pointer;
  color: var(--text);
}
.training-card.active {
  border-color: rgba(14, 222, 196, 0.6);
  box-shadow: 0 8px 24px rgba(14, 222, 196, 0.14);
}
.training-card:hover {
  border-color: rgba(14, 222, 196, 0.45);
}
.training-card .value {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}
.training-stat {
  display: grid;
  justify-items: end;
  gap: 4px;
  min-width: 120px;
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}
.quick-stats .value {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
}
.label { color: var(--muted); font-size: 13px; }

.breakdown-header { margin-top: 4px; }

#exercise-detail-tips {
  white-space: pre-line;
}

.exercise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}
.exercise-card {
  border: 1px solid var(--stroke);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.02);
  border-top: 3px solid var(--card-accent, var(--stroke));
  display: grid;
  gap: 6px;
  text-align: left;
  cursor: pointer;
  width: 100%;
  color: var(--text);
}
.exercise-card .name { font-weight: 700; font-size: 15px; }
.exercise-card .meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px;
}
.exercise-card .badge {
  padding: 4px 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 12px;
  color: var(--muted);
}
.exercise-card .time { color: var(--accent); font-weight: 700; }
.exercise-card .tempo { font-size: 13px; color: var(--muted); }
.exercise-card.is-live {
  border-color: rgba(14, 222, 196, 0.6);
  box-shadow: 0 8px 24px rgba(14, 222, 196, 0.14);
}
.exercise-card:focus-visible,
.training-card:focus-visible {
  outline: 2px solid rgba(14, 222, 196, 0.6);
  outline-offset: 2px;
}

.player {
  display: grid;
  gap: 12px;
}
.player-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.player-header {
  align-items: flex-start;
}
.player-main {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 12px;
  align-items: center;
}
.player-placeholder {
  border: 1px dashed var(--stroke);
  border-radius: 12px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.02);
}
.time-stack {
  border: 1px solid var(--stroke);
  border-radius: 14px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  display: grid;
  gap: 8px;
  justify-items: center;
}
.phase-label {
  font-size: 14px;
  color: var(--muted);
}
.time {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.segment-progress {
  width: 100%;
  height: 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
#segment-progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.03s ease;
}

.now, .next {
  border: 1px solid var(--stroke);
  border-radius: 14px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  min-height: 140px;
}

.progress {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
}
.progress #progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.04s ease;
}

.primary, .ghost {
  font-family: inherit;
}
.primary {
  padding: 11px 14px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, var(--accent), #12b886);
  color: #041014;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 12px 34px rgba(14, 222, 196, 0.2);
  transition: transform 0.1s ease, box-shadow 0.2s ease;
}
.primary:active { transform: translateY(1px); box-shadow: 0 6px 18px rgba(14, 222, 196, 0.15); }

.ghost {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
}

.ghost:disabled,
.primary:disabled { opacity: 0.6; cursor: not-allowed; }

.ghost.small,
.primary.small {
  padding: 6px 10px;
  border-radius: 10px;
  font-size: 12px;
}

.badge {
  padding: 6px 10px;
  border-radius: 10px;
  background: rgba(14, 222, 196, 0.12);
  color: var(--accent);
  border: 1px solid rgba(14, 222, 196, 0.28);
  font-size: 12px;
}

.chip {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.chip.live { background: rgba(14, 222, 196, 0.14); color: var(--accent); border: 1px solid rgba(14, 222, 196, 0.32); }
.chip.paused { background: rgba(244, 162, 97, 0.16); color: var(--accent-2); border: 1px solid rgba(244, 162, 97, 0.32); }
.chip.done { background: rgba(76, 217, 148, 0.12); color: #4cd992; border: 1px solid rgba(76, 217, 148, 0.32); }

.phase-pill {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.04);
  font-weight: 700;
}
.phase-pill.movement { border-color: rgba(14, 222, 196, 0.5); color: var(--accent); }
.phase-pill.hold { border-color: rgba(122, 215, 240, 0.5); color: #7ad7f0; }
.phase-pill.rest { border-color: rgba(244, 162, 97, 0.5); color: var(--accent-2); }

.session-remaining {
  font-weight: 700;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--stroke);
}

.eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 4px;
}
.muted { color: var(--muted); }
.small { font-size: 12px; }

.phase-blocks {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
}
.phase-block {
  width: 14px;
  height: 12px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.phase-block.current {
  box-shadow: 0 0 0 2px rgba(14, 222, 196, 0.5);
}
.phase-block.empty {
  background: rgba(255, 255, 255, 0.06);
}

.footer-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}
.footer-actions.single {
  justify-content: flex-start;
}
.footer-actions .primary.wide {
  flex: 1;
}

.detail-block {
  border: 1px solid var(--stroke);
  border-radius: 12px;
  padding: 12px;
  margin-top: 12px;
  background: rgba(255, 255, 255, 0.02);
}

.history-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}
.history-item {
  border: 1px solid var(--stroke);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  display: grid;
  gap: 6px;
}
.history-item .title {
  font-weight: 700;
  color: var(--text);
}
.history-item .meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.stat-card {
  border: 1px solid var(--stroke);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  min-width: 120px;
  text-align: right;
}
.stat-card .value {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}

@media (max-width: 960px) {
  body { --page-pad: 14px; }
  .topbar { flex-direction: column; align-items: flex-start; }
  .control-stack { align-items: flex-start; }
  .player-main { grid-template-columns: 1fr; }
  .training-card { grid-template-columns: 1fr; }
  .training-stat { justify-items: start; }
}

@media (max-width: 600px) {
  .screen { height: calc(100dvh - (var(--page-pad) * 2)); }
}