:root {
  --bg: #0b0d10;
  --surface: #13171c;
  --surface-2: #191f26;
  --surface-3: #202832;
  --text: #f5f7fa;
  --muted: #9aa4b2;
  --line: rgba(255,255,255,.08);
  --accent: #d7ff52;
  --accent-ink: #11150b;
  --danger: #ff6b6b;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow: 0 12px 30px rgba(0,0,0,.22);
}

* { box-sizing: border-box; }

html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(215,255,82,.08), transparent 28%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

button, input, textarea { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }

.app-shell {
  width: min(100%, 720px);
  margin: 0 auto;
  min-height: 100vh;
  padding-bottom: calc(88px + env(safe-area-inset-bottom));
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: calc(16px + env(safe-area-inset-top)) 18px 14px;
  background: rgba(11,13,16,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 2px;
  font-size: 11px;
  line-height: 1.2;
  letter-spacing: .14em;
  font-weight: 800;
  color: var(--accent);
}

h1 {
  margin: 0;
  font-size: clamp(20px, 5.6vw, 26px);
  line-height: 1.15;
  letter-spacing: -.03em;
}

.app-main { padding: 16px 16px 28px; }

.icon-button,
.primary-button,
.secondary-button,
.exercise-check,
.exercise-media-button,
.exercise-toggle,
.set-check,
.bottom-nav-item,
.day-tab,
.timer-preset {
  border: 0;
  cursor: pointer;
}

.icon-button {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 22px;
}

.today-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, #1a2227, #12171b);
  border: 1px solid rgba(215,255,82,.16);
  box-shadow: var(--shadow);
}

.today-label {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  font-weight: 800;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.today-card strong {
  display: block;
  font-size: 20px;
  line-height: 1.15;
}

.today-card p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.primary-button {
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 850;
}

.primary-button.compact {
  min-height: 44px;
  padding-inline: 14px;
  font-size: 14px;
  white-space: nowrap;
}

.secondary-button {
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  background: var(--surface-3);
  color: var(--text);
  font-weight: 800;
}

.progress-panel {
  margin-top: 14px;
  padding: 15px 16px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--line);
}

.progress-copy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
}

.progress-copy strong { color: var(--text); }
.progress-track {
  height: 7px;
  border-radius: 999px;
  overflow: hidden;
  background: #242b33;
}
.progress-bar {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width .22s ease;
}

.day-tabs {
  display: grid;
  grid-template-columns: repeat(6, minmax(50px, 1fr));
  gap: 8px;
  margin: 18px -2px 16px;
  overflow-x: auto;
  padding: 2px;
  scrollbar-width: none;
}
.day-tabs::-webkit-scrollbar { display: none; }

.day-tab {
  min-width: 52px;
  min-height: 58px;
  padding: 8px 4px;
  border-radius: 14px;
  background: var(--surface);
  color: var(--muted);
  border: 1px solid var(--line);
  font-weight: 800;
  font-size: 12px;
}
.day-tab span {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  font-weight: 650;
  opacity: .72;
}
.day-tab.active {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
}
.day-tab.completed:not(.active) {
  color: var(--text);
  border-color: rgba(215,255,82,.25);
}

.workout-header {
  margin: 2px 2px 14px;
}
.workout-header h2 {
  margin: 0;
  font-size: clamp(24px, 7vw, 32px);
  line-height: 1.08;
  letter-spacing: -.04em;
}
.workout-header p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.workout-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.meta-chip {
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: #c9d0d8;
  font-size: 12px;
  font-weight: 750;
}

.section-label {
  margin: 22px 2px 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 850;
  color: var(--muted);
}

.exercise-card {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  overflow: hidden;
}
.exercise-card.done { opacity: .68; }
.exercise-card.done .exercise-name { text-decoration: line-through; }

.exercise-card-top {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 54px 42px;
  align-items: center;
  gap: 10px;
  min-height: 76px;
  padding: 11px 10px 11px 12px;
}
.exercise-heading { min-width: 0; }
.exercise-check,
.set-check {
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px solid #35404a;
  background: #20262d;
  color: transparent;
  font-weight: 950;
}
.exercise-check {
  width: 42px;
  height: 42px;
  font-size: 18px;
}
.exercise-card.done .exercise-check,
.set-check.done {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
}

.exercise-name {
  margin: 0;
  font-size: 16px;
  line-height: 1.25;
  letter-spacing: -.01em;
  overflow-wrap: anywhere;
}
.exercise-prescription {
  margin: 4px 0 0;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}
.exercise-media-button {
  position: relative;
  width: 52px;
  height: 52px;
  padding: 0;
  overflow: hidden;
  border-radius: 13px;
  background: var(--surface-3);
  border: 1px solid rgba(215,255,82,.22);
}
.exercise-thumbnail {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.exercise-media-icon {
  position: absolute;
  right: 4px;
  bottom: 4px;
  display: grid;
  place-items: center;
  width: 19px;
  height: 19px;
  padding-left: 1px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 2px 8px rgba(0,0,0,.35);
  font-size: 8px;
}
.exercise-toggle {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  font-size: 18px;
  transition: transform .18s ease;
}
.exercise-card.open .exercise-toggle { transform: rotate(180deg); }
.exercise-details {
  display: none;
  padding: 0 12px 13px 66px;
  border-top: 1px solid transparent;
}
.exercise-card.open .exercise-details {
  display: block;
  border-top-color: var(--line);
  padding-top: 12px;
}
.exercise-note {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
}

.set-list {
  display: grid;
  gap: 8px;
}
.set-row {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 6px 8px;
  border-radius: 12px;
  background: var(--surface-2);
}
.set-check {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  font-size: 13px;
}
.set-row label {
  color: #dfe4ea;
  font-size: 13px;
  font-weight: 700;
}
.load-input {
  width: 82px;
  min-height: 36px;
  border: 1px solid #313a44;
  border-radius: 10px;
  background: #11151a;
  color: var(--text);
  text-align: right;
  padding: 7px 9px;
  font-size: 14px;
}
.load-input::placeholder { color: #5f6975; }

.info-card,
.timer-card,
.notes-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
}
.info-card + .info-card { margin-top: 10px; }
.info-card h3,
.timer-card h2,
.notes-card h2 {
  margin: 0;
  font-size: 20px;
}
.info-card p,
.timer-card p,
.notes-card p {
  color: var(--muted);
  font-size: 14px;
}

.round-block {
  margin-top: 14px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--surface-2);
}
.round-block strong {
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
}
.round-block p { margin: 0; }

.timer-card { text-align: center; }
.timer-display {
  margin: 24px 0 8px;
  font-variant-numeric: tabular-nums;
  font-size: clamp(64px, 22vw, 96px);
  line-height: .95;
  letter-spacing: -.055em;
  font-weight: 900;
}
.timer-status {
  min-height: 22px;
  color: var(--accent) !important;
  font-weight: 800;
}
.timer-presets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 18px 0;
}
.timer-preset {
  min-height: 48px;
  border-radius: 13px;
  background: var(--surface-3);
  color: var(--text);
  font-weight: 800;
}
.timer-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.notes-input {
  width: 100%;
  min-height: 210px;
  margin-top: 14px;
  resize: vertical;
  border: 1px solid #303942;
  border-radius: 14px;
  padding: 14px;
  background: #101419;
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
}

.media-dialog {
  width: min(calc(100% - 24px), 680px);
  max-height: calc(100dvh - 24px);
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 22px;
  background: #11151a;
  color: var(--text);
  box-shadow: 0 24px 80px rgba(0,0,0,.7);
}
.media-dialog::backdrop {
  background: rgba(0,0,0,.78);
  backdrop-filter: blur(7px);
}
.media-dialog-shell {
  max-height: calc(100dvh - 24px);
  padding: 18px;
  overflow-y: auto;
}
.media-dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.media-dialog-header h2 {
  margin: 0;
  font-size: clamp(21px, 6vw, 28px);
  line-height: 1.1;
  letter-spacing: -.03em;
}
.media-dialog-close {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 13px;
  background: var(--surface-3);
  color: var(--text);
  cursor: pointer;
  font-size: 28px;
  line-height: 1;
}
.media-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.media-gallery.single {
  grid-template-columns: minmax(0, 1fr);
  max-width: 520px;
  margin-inline: auto;
}
.media-figure {
  margin: 0;
  overflow: hidden;
  border-radius: 16px;
  background: #080a0c;
  border: 1px solid var(--line);
}
.media-figure img {
  display: block;
  width: 100%;
  height: min(58vh, 520px);
  object-fit: contain;
}
.media-figure figcaption {
  padding: 8px 10px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  text-align: center;
}
.media-source,
.media-disclaimer {
  color: var(--muted);
  font-size: 12px;
}
.media-source {
  margin: 12px 2px 0;
}
.media-source a {
  color: var(--accent);
  text-decoration-color: rgba(215,255,82,.45);
  text-underline-offset: 3px;
}
.media-disclaimer {
  margin: 14px 2px 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(215,255,82,.55);
  outline-offset: 2px;
}

.bottom-nav {
  position: fixed;
  z-index: 30;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: min(100%, 720px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  background: rgba(13,16,20,.94);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--line);
}
.bottom-nav-item {
  min-height: 56px;
  border-radius: 14px;
  background: transparent;
  color: #7f8995;
  font-size: 11px;
  font-weight: 800;
}
.bottom-nav-item.active {
  background: var(--surface-2);
  color: var(--accent);
}
.nav-icon {
  display: block;
  margin-bottom: 2px;
  font-size: 20px;
  line-height: 1;
}

@media (max-width: 480px) {
  .exercise-card-top {
    grid-template-columns: 40px minmax(0, 1fr) 48px;
    gap: 8px;
  }
  .exercise-check { width: 38px; height: 38px; }
  .exercise-media-button { width: 46px; height: 46px; }
  .exercise-toggle { display: none; }
  .today-card > div { min-width: 0; }
}

@media (max-width: 380px) {
  .app-main { padding-inline: 12px; }
  .today-card { padding: 15px; }
  .primary-button.compact { padding-inline: 11px; font-size: 13px; }
  .exercise-details { padding-left: 58px; }
  .media-dialog-shell { padding: 15px; }
  .media-figure img { height: min(48vh, 390px); }
}

@media (min-width: 600px) {
  .app-main { padding-inline: 20px; }
  .day-tabs { grid-template-columns: repeat(6, 1fr); }
}