:root {
  --bg: #f1f2f6;
  --bg-soft: #e7ebf2;
  --panel: rgba(255, 255, 255, 0.72);
  --panel-strong: rgba(255, 255, 255, 0.84);
  --panel-muted: rgba(255, 255, 255, 0.52);
  --border: rgba(56, 74, 110, 0.08);
  --text: #152033;
  --text-dim: #66748d;
  --accent: #0a84ff;
  --accent-strong: #0073eb;
  --accent-ink: #ffffff;
  --warning: #ff9f0a;
  --danger: #ff453a;
  --shadow: 0 18px 45px rgba(29, 43, 76, 0.10);
  --radius-xl: 26px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(10, 132, 255, 0.10), transparent 36%),
    radial-gradient(circle at top right, rgba(90, 200, 250, 0.10), transparent 30%),
    linear-gradient(180deg, #f7f8fb 0%, #eef1f6 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
}

body {
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  padding: 18px 18px 108px;
}

.app-shell.view-active {
  padding-top: 10px;
  padding-bottom: 88px;
}

.app-frame {
  max-width: 1180px;
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.view-active .topbar {
  margin-bottom: 8px;
}

.brand-title {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.view-active .brand-title {
  font-size: 1.2rem;
}

.topbar-session {
  color: var(--text-dim);
  font-size: 0.88rem;
  font-weight: 600;
}

.pill-row,
.stat-row,
.day-grid,
.calendar-grid,
.settings-grid,
.recent-grid {
  display: grid;
  gap: 12px;
}

.shell-grid,
.active-grid,
.stats-grid {
  display: grid;
  gap: 18px;
}

.shell-grid,
.stats-grid {
  grid-template-columns: 1.15fr 0.85fr;
}

.active-grid {
  grid-template-columns: 1.1fr 0.9fr;
}

.workout-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 18px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px) saturate(140%);
}

.panel.pad {
  padding: 20px;
}

.hero-card {
  padding: 22px;
  background:
    linear-gradient(135deg, rgba(10, 132, 255, 0.10), rgba(90, 200, 250, 0.06)),
    var(--panel-strong);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--text-dim);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.hero-title,
.section-title,
.exercise-title,
.timer-value {
  font-family: inherit;
}

.hero-title {
  margin: 14px 0 8px;
  font-size: clamp(1.8rem, 4vw, 2.9rem);
  line-height: 1;
  letter-spacing: -0.045em;
  font-weight: 750;
}

.hero-copy,
.muted,
.session-target,
.exercise-meta,
.input-label,
.metric-caption,
.empty-state {
  color: var(--text-dim);
}

.hero-copy,
.empty-state {
  line-height: 1.5;
}

.section-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.pill-row {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.stat-row,
.day-grid,
.recent-grid {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.settings-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.pill,
.stat-card,
.exercise-preview,
.session-set,
.metric-card,
.calendar-day,
.setting-card,
.history-row,
.timer-card,
.input-card,
.session-note,
.warning-card {
  border-radius: var(--radius-lg);
  background: var(--panel-muted);
  border: 1px solid rgba(255, 255, 255, 0.42);
}

.pill,
.stat-card,
.metric-card,
.setting-card {
  padding: 14px;
}

.pill-label,
.metric-caption {
  display: block;
  font-size: 0.76rem;
  letter-spacing: -0.01em;
  font-weight: 600;
}

.pill-value,
.metric-value {
  display: block;
  margin-top: 8px;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.cta-row,
.input-actions,
.timer-actions,
.utility-row,
.tabbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.view-active .tabbar {
  bottom: 12px;
  padding: 8px;
}

.btn {
  min-height: 56px;
  padding: 0 18px;
  border: 0;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.01em;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
  transition: transform 120ms ease, background 120ms ease, opacity 120ms ease, box-shadow 120ms ease;
}

.btn:active {
  transform: scale(0.985);
}

.btn.primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: var(--accent-ink);
  box-shadow: 0 10px 24px rgba(10, 132, 255, 0.22);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.72);
}

.btn.warning {
  background: rgba(255, 159, 10, 0.12);
  color: #9a5b00;
}

.btn.danger {
  background: rgba(255, 69, 58, 0.12);
  color: #a12720;
}

.btn.ghost {
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--border);
}

.btn.small {
  min-height: 44px;
  padding: 0 14px;
  border-radius: 14px;
  font-size: 0.95rem;
}

.btn.wide {
  min-width: 180px;
}

.exercise-preview,
.history-row,
.session-set,
.session-note,
.warning-card {
  padding: 16px;
}

.exercise-preview h3,
.exercise-title {
  margin: 0 0 8px;
  font-size: 1.25rem;
}

.preview-line,
.history-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.exercise-stack {
  display: grid;
  gap: 12px;
}

.day-option {
  width: 100%;
  text-align: left;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.56);
  border-radius: var(--radius-lg);
  color: var(--text);
}

.day-option strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
}

.session-progress {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.progress-dot {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.progress-dot.active,
.progress-dot.done {
  background: linear-gradient(90deg, var(--accent), #79d6e4);
}

.exercise-card {
  padding: 20px;
}

.exercise-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.exercise-title {
  font-size: clamp(1.65rem, 3.8vw, 2.4rem);
  line-height: 1.02;
}

.session-target {
  font-size: 1rem;
}

.input-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.input-card {
  padding: 16px;
}

.workout-input-card {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.input-label {
  display: block;
  margin-bottom: 12px;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stepper {
  display: grid;
  grid-template-columns: 56px 1fr 56px;
  gap: 10px;
  align-items: center;
}

.stepper button {
  min-height: 56px;
  border-radius: 18px;
  border: 0;
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  font-size: 1.5rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.36);
}

.stepper input,
.note-input,
.select-input,
.file-input {
  width: 100%;
  min-height: 56px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.46);
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
  padding: 0 16px;
  font-size: 1.25rem;
}

.stepper.big {
  grid-template-columns: 72px 1fr 72px;
}

.stepper.big button {
  min-height: 78px;
  font-size: 2rem;
}

.stepper.big input {
  min-height: 78px;
  font-size: 2rem;
  text-align: center;
}

.note-input {
  min-height: 110px;
  padding: 16px;
  resize: vertical;
}

.note-input.compact {
  min-height: 56px;
  padding: 0 16px;
}

.quick-buttons {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.quick-buttons button {
  min-height: 42px;
  padding: 0 12px;
  border-radius: 14px;
  border: 0;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
}

.quick-buttons.dense {
  justify-content: space-between;
  align-items: center;
}

.timer-card {
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(121, 214, 228, 0.18), rgba(255, 255, 255, 0.03)),
    rgba(11, 28, 34, 0.9);
}

.timer-value {
  margin: 8px 0 4px;
  font-size: clamp(2.4rem, 6vw, 4rem);
  letter-spacing: -0.06em;
}

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

.session-set strong,
.history-row strong {
  display: block;
  margin-bottom: 6px;
}

.warning-card {
  color: #8a5500;
  background: rgba(255, 159, 10, 0.12);
}

.calendar-grid {
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-head {
  padding: 0 0 8px;
  color: var(--text-dim);
  text-align: center;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.calendar-day {
  min-height: 98px;
  padding: 12px;
}

.calendar-day.is-empty {
  opacity: 0.2;
}

.calendar-day.is-today {
  outline: 2px solid rgba(141, 224, 154, 0.46);
}

.calendar-day.has-session {
  background: rgba(141, 224, 154, 0.1);
}

.calendar-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  margin-top: 10px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 700;
}

.chart {
  width: 100%;
  height: 260px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.34);
  border: 1px solid rgba(255, 255, 255, 0.42);
}

.tabbar {
  position: fixed;
  left: 18px;
  right: 18px;
  bottom: 18px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 8px;
  border-radius: 24px;
  background: rgba(248, 250, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.46);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(160%);
}

.tabbar button {
  flex: 1;
  min-height: 58px;
  border: 0;
  border-radius: 16px;
  background: transparent;
  color: var(--text-dim);
  font-weight: 700;
}

.tabbar button.is-active {
  background: rgba(255, 255, 255, 0.84);
  color: var(--accent);
  box-shadow: 0 4px 14px rgba(31, 53, 92, 0.08);
}

.workout-rail,
.workout-focus {
  padding: 16px;
}

.workout-rail {
  align-self: start;
  position: sticky;
  top: 10px;
  max-height: calc(100vh - 112px);
  overflow: auto;
}

.workout-rail-header {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.workout-queue {
  display: grid;
  gap: 8px;
}

.queue-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.44);
}

.queue-item.done {
  opacity: 0.45;
}

.queue-item.current {
  background: rgba(10, 132, 255, 0.10);
  border-color: rgba(10, 132, 255, 0.22);
}

.queue-index {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
  font-weight: 700;
}

.queue-body strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
}

.workout-focus-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.focus-top-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  align-items: flex-start;
  flex-wrap: wrap;
}

.movement-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 3 / 2;
  min-height: 0;
  max-height: min(30vh, 340px);
  margin: 10px 0;
  border-radius: 28px;
  background:
    radial-gradient(circle at center, rgba(10, 132, 255, 0.08), transparent 44%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.28));
  overflow: hidden;
}

.exercise-art {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 8px;
}

.movement-core {
  position: relative;
  z-index: 1;
  text-align: center;
}

.fallback-art {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.fallback-art.is-visible {
  display: flex;
}

.movement-ring {
  width: 150px;
  height: 150px;
  margin-bottom: 14px;
  border-radius: 50%;
  border: 14px solid rgba(121, 214, 228, 0.12);
  box-shadow: inset 0 0 0 14px rgba(141, 224, 154, 0.12);
  animation: pulse-ring 2.4s ease-in-out infinite;
}

.movement-label {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.5rem, 3.6vw, 2.5rem);
  letter-spacing: -0.05em;
}

.movement-subtitle {
  margin-top: 8px;
  color: var(--text-dim);
  font-size: 1rem;
}

.focus-meta,
.focus-inputs {
  display: grid;
  gap: 14px;
}

.focus-meta {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 10px;
}

.focus-inputs {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.focus-actions {
  margin-top: 10px;
}

.btn.huge {
  width: 100%;
  min-height: 72px;
  border-radius: 22px;
  font-size: 1.2rem;
}

.notes-inline {
  margin-top: 8px;
}

.notes-inline .note-input.compact {
  min-height: 48px;
  border-radius: 16px;
  font-size: 1rem;
}

.workout-input-card {
  padding: 14px;
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid rgba(255, 255, 255, 0.44);
}

.stepper.big {
  grid-template-columns: 62px 1fr 62px;
  gap: 8px;
}

.stepper.big button {
  min-height: 64px;
  font-size: 1.7rem;
}

.stepper.big input {
  min-height: 64px;
  font-size: 1.55rem;
}

.quick-buttons.dense {
  margin-top: 8px;
}

.quick-buttons.dense .muted {
  font-size: 0.92rem;
}

.modal-scrim {
  position: fixed;
  inset: 0;
  background: rgba(2, 8, 10, 0.62);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}

.rest-modal {
  width: min(520px, 100%);
  padding: 28px;
  text-align: center;
  background: rgba(255, 255, 255, 0.88);
}

.rest-modal-time {
  margin: 14px 0 10px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3.3rem, 9vw, 5rem);
  letter-spacing: -0.07em;
}

@keyframes pulse-ring {
  0%,
  100% {
    transform: scale(0.96);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.04);
    opacity: 1;
  }
}

.hidden {
  display: none !important;
}

@media (max-width: 940px) {
  .shell-grid,
  .active-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .workout-layout {
    grid-template-columns: 1fr;
  }

  .workout-rail {
    position: static;
  }

  .focus-meta {
    grid-template-columns: 1fr;
  }

  .movement-stage {
    max-height: none;
  }

  .workout-focus-top {
    flex-direction: column;
  }

  .focus-top-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-height: 780px) and (orientation: landscape) {
  .app-shell.view-active {
    padding-top: 8px;
    padding-bottom: 80px;
  }

  .view-active .brand-title {
    font-size: 1.05rem;
  }

  .topbar-session {
    font-size: 0.8rem;
  }

  .workout-rail,
  .workout-focus {
    padding: 12px;
  }

  .movement-stage {
    max-height: min(24vh, 240px);
  }

  .movement-ring {
    width: 118px;
    height: 118px;
    margin-bottom: 10px;
  }

  .focus-inputs {
    gap: 10px;
  }

  .btn.huge {
    min-height: 64px;
  }
}

@media (max-width: 680px) {
  .app-shell {
    padding: 14px 14px 100px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .calendar-grid {
    gap: 8px;
  }

  .calendar-day {
    min-height: 74px;
  }

  .tabbar {
    left: 14px;
    right: 14px;
    gap: 8px;
  }

  .tabbar button {
    font-size: 0.88rem;
  }
}