/* ─── Design Tokens ─────────────────────────────────────────────────────────── */
:root {
  --primary:        #1565c0;
  --primary-dark:   #003c8f;
  --primary-light:  #e3f2fd;
  --primary-mid:    #1976d2;
  --win:            #2e7d32;
  --win-bg:         #e8f5e9;
  --loss:           #c62828;
  --loss-bg:        #ffebee;
  --tie:            #e65100;
  --tie-bg:         #fff3e0;
  --basketball:     #e65100;
  --basketball-bg:  #fff3e0;
  --soccer:         #2e7d32;
  --soccer-bg:      #e8f5e9;
  --bg:             #f0f4f8;
  --surface:        #ffffff;
  --surface-raised: #f8fafc;
  --text:           #0f172a;
  --text-muted:     #64748b;
  --border:         #e2e8f0;
  --shadow-sm:      0 1px 3px rgba(0,0,0,0.08);
  --shadow:         0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:      0 8px 32px rgba(0,0,0,0.12);
  --radius:         14px;
  --radius-sm:      8px;
  --radius-lg:      20px;
}

/* ─── Reset ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-tap-highlight-color: transparent; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}
button { cursor: pointer; border: none; background: none; font: inherit; }
input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }

/* ─── Nav ────────────────────────────────────────────────────────────────────── */
.nav {
  background: var(--primary-dark);
  padding: 0 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.nav-inner {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-brand {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  padding: 1rem 0.5rem 1rem 0;
  margin-right: auto;
  letter-spacing: -0.01em;
}
.nav-brand span { opacity: 0.7; font-weight: 400; }
.nav-link {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover   { background: rgba(255,255,255,0.1); color: #fff; }
.nav-link.active  { background: rgba(255,255,255,0.15); color: #fff; }

/* ─── Page Container ─────────────────────────────────────────────────────────── */
.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

/* ─── Page Header ────────────────────────────────────────────────────────────── */
.page-header {
  margin-bottom: 1.5rem;
}
.page-header h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}
.page-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.2rem;
}

/* ─── Cards ──────────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}
.card-header {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.card-header h2 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.card-body { padding: 1rem; }

/* ─── Section spacing ────────────────────────────────────────────────────────── */
.section { margin-bottom: 1.25rem; }

/* ─── Season Selector ────────────────────────────────────────────────────────── */
.season-bar {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
}
.season-bar.two-col { grid-template-columns: 1fr 1fr; }
select, input[type="text"], input[type="date"], input[type="number"], textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color 0.15s;
  -webkit-appearance: none;
}
select:focus, input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
}
label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

/* ─── Record Display ─────────────────────────────────────────────────────────── */
.record-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.record-stat {
  text-align: center;
  padding: 1rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
}
.record-stat.win-stat   { background: var(--win-bg);  border-color: #a5d6a7; }
.record-stat.loss-stat  { background: var(--loss-bg); border-color: #ef9a9a; }
.record-stat.tie-stat   { background: var(--tie-bg);  border-color: #ffcc80; }
.record-stat .stat-val  {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
}
.win-stat  .stat-val { color: var(--win); }
.loss-stat .stat-val { color: var(--loss); }
.tie-stat  .stat-val { color: var(--tie); }
.record-stat .stat-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-top: 0.25rem;
}
.points-row {
  display: flex;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  justify-content: center;
}
.points-row strong { color: var(--text); }

/* ─── Tab Bar ────────────────────────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.tab-btn {
  flex: 1;
  padding: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  transition: all 0.15s;
  border-radius: calc(var(--radius) - 2px);
}
.tab-btn.active {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

/* ─── Score Tracker ──────────────────────────────────────────────────────────── */
.tracker-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 1.25rem;
}
.period-indicator {
  background: var(--primary);
  color: #fff;
  text-align: center;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.score-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.score-col {
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.score-col + .score-col {
  border-left: 1px solid var(--border);
}
.score-label {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}
.score-display {
  font-size: 5rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--text);
  min-width: 3ch;
  text-align: center;
}
.score-col.us-col .score-display { color: var(--primary); }
.score-btn-row {
  display: flex;
  gap: 0.5rem;
}
.score-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  font-size: 1.6rem;
  font-weight: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s, box-shadow 0.1s;
  -webkit-user-select: none;
  user-select: none;
}
.score-btn:active { transform: scale(0.92); }
.score-btn.plus {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(21,101,192,0.35);
}
.score-btn.plus:active { box-shadow: 0 2px 6px rgba(21,101,192,0.3); }
.score-btn.minus {
  background: var(--surface-raised);
  color: var(--text-muted);
  border: 1.5px solid var(--border);
}

/* Period row inside tracker */
.period-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--surface-raised);
}
.period-dots {
  display: flex;
  gap: 0.4rem;
}
.period-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.2s;
}
.period-dot.filled  { background: var(--primary); }
.period-dot.current { background: var(--primary); box-shadow: 0 0 0 2px var(--primary-light); }
.period-nav-btn {
  padding: 0.45rem 1rem;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--primary-light);
  color: var(--primary);
  border: none;
  transition: background 0.15s;
}
.period-nav-btn:hover { background: #bbdefb; }
.period-nav-btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* ─── Action Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  transition: all 0.15s;
  border: none;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(21,101,192,0.3);
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger  { background: var(--loss); color: #fff; }
.btn-ghost   { background: var(--surface-raised); color: var(--text-muted); border: 1.5px solid var(--border); }
.btn-full    { width: 100%; }

/* Save form */
.save-form {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.save-form h3 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}
.form-field { display: flex; flex-direction: column; gap: 0.25rem; }

/* ─── Game History Cards ─────────────────────────────────────────────────────── */
.history-filters {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.game-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.game-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.15s;
}
.game-card:hover { box-shadow: var(--shadow); }
.game-card-main {
  display: flex;
  align-items: center;
  padding: 0.85rem 1rem;
  gap: 0.75rem;
  cursor: pointer;
}
.result-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 900;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}
.result-badge.win  { background: var(--win-bg);  color: var(--win); }
.result-badge.loss { background: var(--loss-bg); color: var(--loss); }
.result-badge.tie  { background: var(--tie-bg);  color: var(--tie); }
.game-card-info { flex: 1 }
.game-card-score {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.game-card-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}
.game-card-chevron {
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: transform 0.2s;
}
.game-card.open .game-card-chevron { transform: rotate(90deg); }
.game-card-detail {
  padding: 0 1rem 0.85rem;
  border-top: 1px solid var(--border);
  display: none;
}
.game-card.open .game-card-detail { display: block; }
.period-breakdown {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.period-chip {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.25rem 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}
.period-chip strong { color: var(--text); }
.game-card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.6rem;
}
.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
}
.game-notes {
  margin-top: 0.5rem;
  font-size: 0.83rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ─── Shortcuts (Dashboard) ──────────────────────────────────────────────────── */
.sport-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.sport-link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 1.5rem 1rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, transform 0.1s;
  text-decoration: none;
}
.sport-link-card:active { transform: scale(0.97); }
.sport-link-card:hover  { box-shadow: var(--shadow); }
.sport-link-card.basketball { border-top: 4px solid var(--basketball); }
.sport-link-card.soccer     { border-top: 4px solid var(--soccer); }
.sport-icon { font-size: 2.2rem; }
.sport-link-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}
.sport-link-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ─── Empty State ────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 0.5rem; }
.empty-state p { font-size: 0.9rem; }

/* ─── Toast ──────────────────────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  pointer-events: none;
}
.toast {
  background: var(--text);
  color: #fff;
  padding: 0.65rem 1.25rem;
  border-radius: 99px;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.25s, transform 0.25s;
  white-space: nowrap;
}
.toast.show   { opacity: 1; transform: translateY(0); }
.toast.success { background: var(--win); }
.toast.error   { background: var(--loss); }

/* ─── Loading ────────────────────────────────────────────────────────────────── */
.loading {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 0.5rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Sport icon colors ──────────────────────────────────────────────────────── */
.sport-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 700;
}
.sport-pill.basketball { background: var(--basketball-bg); color: var(--basketball); }
.sport-pill.soccer     { background: var(--soccer-bg);     color: var(--soccer); }

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 440px) {
  .score-display { font-size: 4rem; }
  .score-btn     { width: 50px; height: 50px; font-size: 1.4rem; }
  .record-stat .stat-val { font-size: 1.8rem; }
  .history-filters { grid-template-columns: 1fr 1fr; }
  .history-filters .filter-sport { grid-column: 1 / -1; }
}