/* Billiards training — phone-first, self-contained */

:root {
  --felt: #1a3d32;
  --felt-light: #245044;
  --felt-dark: #122820;
  --cream: #f4f0e6;
  --cream-muted: #c8c2b4;
  --accent: #c9a227;
  --accent-soft: rgba(201, 162, 39, 0.18);
  --text: #1c1c1a;
  --text-muted: #4a4a44;
  --surface: #ffffff;
  --border: rgba(26, 61, 50, 0.15);
  --radius: 12px;
  --tap-min: 48px;
  --font: "DM Sans", system-ui, -apple-system, sans-serif;
  --shadow: 0 2px 12px rgba(18, 40, 32, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--text);
  background: var(--cream);
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.75rem 1rem;
  background: var(--felt);
  color: var(--cream);
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

.site-header {
  background: linear-gradient(165deg, var(--felt-dark) 0%, var(--felt) 55%, var(--felt-light) 100%);
  color: var(--cream);
  padding: 1.25rem 1rem 1.5rem;
  padding-top: max(1.25rem, env(safe-area-inset-top));
}

.header-inner {
  max-width: 42rem;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cream-muted);
}

.page-title {
  margin: 0 0 0.65rem;
  font-size: clamp(1.5rem, 5vw, 1.85rem);
  font-weight: 700;
  line-height: 1.2;
}

.lede {
  margin: 0 0 1.25rem;
  font-size: 1rem;
  color: rgba(244, 240, 230, 0.92);
  max-width: 36rem;
}

.week-picker {
  margin-bottom: 0.75rem;
}

.week-picker-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.week-picker-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.week-btn {
  min-height: var(--tap-min);
  min-width: var(--tap-min);
  padding: 0.45rem 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  line-height: 1.2;
  border: 2px solid rgba(244, 240, 230, 0.35);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.15);
  color: var(--cream);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.week-btn[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--felt-dark);
}

.week-btn-dates {
  font-size: 0.6875rem;
  font-weight: 500;
  opacity: 0.9;
}

.week-btn:focus-visible {
  outline: 3px solid var(--cream);
  outline-offset: 2px;
}

.schedule-principle {
  margin-bottom: 1.25rem;
  padding: 0.85rem 1rem;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.9375rem;
}

.schedule-principle strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--felt);
}

.schedule-week-block {
  margin-bottom: 1.5rem;
}

.schedule-week-title {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  color: var(--felt);
}

.schedule-week-focus {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.schedule-day-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.schedule-day-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 0.85rem 1rem;
  box-shadow: var(--shadow);
}

.schedule-day-card.is-today {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.schedule-day-card.is-rest {
  opacity: 0.92;
  background: rgba(244, 240, 230, 0.65);
}

.schedule-day-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 0.75rem;
  margin-bottom: 0.5rem;
}

.schedule-day-name {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--felt);
}

.schedule-day-date {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
}

.schedule-today-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--felt-dark);
  background: var(--accent);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.schedule-slot {
  margin: 0 0 0.5rem;
  font-size: 0.9375rem;
}

.schedule-slot:last-child {
  margin-bottom: 0;
}

.schedule-slot-time {
  font-weight: 600;
  color: var(--felt);
}

.schedule-slot-detail {
  margin: 0.2rem 0 0;
  color: var(--text);
}

.week-focus {
  margin: 0;
  font-size: 0.9375rem;
  padding: 0.65rem 0.85rem;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  overflow: visible;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 0;
}

.tab-btn {
  flex: 1 1 16.666%;
  min-width: 0;
  min-height: 44px;
  padding: 0.5rem 0.2rem;
  border: none;
  border-bottom: 3px solid transparent;
  background: transparent;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  text-align: center;
}

@media (max-width: 420px) {
  .tab-btn {
    flex: 1 1 33.333%;
    font-size: 0.6875rem;
    padding: 0.45rem 0.1rem;
    letter-spacing: -0.02em;
  }
}

.tab-btn.is-active {
  color: var(--felt);
  border-bottom-color: var(--accent);
}

.tab-btn:focus-visible {
  outline: 2px solid var(--felt);
  outline-offset: -2px;
}

.main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1rem 1rem 2rem;
}

.panel[hidden] {
  display: none !important;
}

.panel-head {
  margin-bottom: 1rem;
  scroll-margin-top: 56px;
}

.panel > .match-card,
.panel > .log-form {
  scroll-margin-top: 56px;
}

.panel-head h2 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
  color: var(--felt);
}

.panel-meta {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.session-blocks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.block-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}

.block-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: var(--felt);
  color: var(--cream);
}

.block-card-header h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.block-time {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

.block-card-body {
  padding: 1rem;
}

.block-card-body p {
  margin: 0 0 0.65rem;
}

.block-card-body p:last-child {
  margin-bottom: 0;
}

.block-tweak {
  margin-top: 0.75rem !important;
  padding: 0.6rem 0.75rem;
  background: var(--accent-soft);
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
}

.block-card-body ul {
  margin: 0.35rem 0 0.65rem;
  padding-left: 1.2rem;
}

.block-card-body li {
  margin-bottom: 0.35rem;
}

.match-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 2px solid var(--felt);
  padding: 1.25rem 1rem;
}

.match-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
  color: var(--felt);
}

.match-lead {
  margin: 0 0 1rem;
  font-size: 1.0625rem;
  font-weight: 600;
}

.match-list {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

.match-list li {
  margin-bottom: 0.65rem;
}

.match-footer {
  margin: 0;
  font-style: italic;
  color: var(--text-muted);
}

.log-form {
  background: var(--surface);
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

.field-row {
  margin-bottom: 1rem;
}

.field-row label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  font-size: 0.9375rem;
}

.field-row input,
.field-row select {
  width: 100%;
  min-height: var(--tap-min);
  padding: 0.65rem 0.75rem;
  font-family: inherit;
  font-size: 1.0625rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--cream);
}

.field-row input:focus,
.field-row select:focus {
  outline: none;
  border-color: var(--felt);
}

.field-hint {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.score-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.score-input-wrap input {
  flex: 1;
  max-width: 6rem;
}

.score-max {
  font-weight: 600;
  color: var(--text-muted);
}

.storage-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0.25rem 0 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-min);
  padding: 0.65rem 1.25rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  width: 100%;
}

.btn-primary {
  background: var(--felt);
  color: var(--cream);
}

.btn-secondary {
  background: transparent;
  color: var(--felt);
  border: 2px solid var(--felt);
}

.btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.log-stats {
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 0.9375rem;
}

.log-stats p {
  margin: 0 0 0.35rem;
}

.log-stats p:last-child {
  margin-bottom: 0;
}

.log-actions {
  margin-bottom: 1.25rem;
}

.log-history-title {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  color: var(--felt);
}

.log-history {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.log-entry {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 0.85rem 1rem;
  display: grid;
  gap: 0.35rem;
}

.log-entry-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.log-entry-date {
  font-weight: 700;
  color: var(--felt);
}

.log-entry-meta {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.log-entry-headword {
  font-weight: 600;
  text-transform: lowercase;
}

.btn-delete {
  min-height: 44px;
  min-width: 44px;
  padding: 0.35rem 0.65rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #8b2e2e;
  background: transparent;
  border: 1px solid rgba(139, 46, 46, 0.35);
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
}

.empty-log {
  color: var(--text-muted);
  font-style: italic;
}

.program-weeks {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.program-week-details {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 0.65rem;
  box-shadow: var(--shadow);
}

.program-week-details.is-current {
  border-color: var(--felt);
}

.program-week-summary {
  list-style: none;
  cursor: pointer;
  min-height: var(--tap-min);
  padding: 0.85rem 1rem;
  padding-right: 2rem;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--felt);
  position: relative;
}

.program-week-summary::-webkit-details-marker {
  display: none;
}

.program-week-summary::after {
  content: "+";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-muted);
}

.program-week-details[open] .program-week-summary::after {
  content: "\2212";
}

.program-week-body {
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--border);
}

.program-part-title {
  margin: 0.85rem 0 0.4rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.program-part-title:first-child {
  margin-top: 0.75rem;
}

.program-theme-text,
.program-tweak-text {
  margin: 0;
  font-size: 0.9375rem;
}

.program-list {
  margin: 0;
  padding-left: 1.15rem;
}

.program-list li {
  margin-bottom: 0.45rem;
  font-size: 0.9375rem;
}

.reading-weeks {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--felt);
}

.reading-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.reading-list li {
  background: var(--surface);
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.reading-list cite {
  font-style: italic;
}

.reading-why {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.site-footer {
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.toast {
  position: fixed;
  bottom: max(1rem, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  max-width: calc(100% - 2rem);
  padding: 0.75rem 1.25rem;
  background: var(--felt-dark);
  color: var(--cream);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
  z-index: 50;
  box-shadow: var(--shadow);
}

@media (min-width: 600px) {
  .site-header {
    padding: 1.75rem 1.5rem 2rem;
  }

  .main {
    padding: 1.5rem 1.5rem 2.5rem;
  }

  .btn {
    width: auto;
  }

  .log-form .btn-primary {
    width: 100%;
  }
}