/* ══════════════════════════════════════
   MLB Analytics Platform — Main Styles
   Dark theme, mobile-first, professional
══════════════════════════════════════ */

:root {
  --bg-primary:    #0d1117;
  --bg-secondary:  #161b22;
  --bg-card:       #1c2330;
  --bg-hover:      #242d3b;
  --border:        #30363d;
  --accent-blue:   #2563eb;
  --accent-green:  #16a34a;
  --accent-yellow: #d97706;
  --accent-red:    #dc2626;
  --accent-purple: #7c3aed;
  --text-primary:  #e6edf3;
  --text-muted:    #7d8590;
  --text-dim:      #484f58;
  --gold:          #f59e0b;
  --radius:        8px;
  --radius-lg:     12px;
  --shadow:        0 4px 16px rgba(0,0,0,0.4);
  --transition:    0.15s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.6;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── LAYOUT ─────────────────────────── */

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-brand {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}
.sidebar-brand h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}
.sidebar-brand span {
  font-size: 11px;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  font-size: 13.5px;
}
.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.nav-item.active {
  background: rgba(37, 99, 235, 0.12);
  color: var(--accent-blue);
  border-left-color: var(--accent-blue);
}
.nav-item .icon { font-size: 16px; width: 20px; text-align: center; }

.main-content {
  margin-left: 220px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title { font-size: 16px; font-weight: 600; }

.topbar-right { display: flex; align-items: center; gap: 12px; }

.page-body {
  padding: 24px;
  flex: 1;
  max-width: 1400px;
  width: 100%;
}

/* ── CARDS ───────────────────────────── */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}
.card-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── STRONGEST PLAY ──────────────────── */

.strongest-play-card {
  background: linear-gradient(135deg, #1a2744 0%, #1c2330 100%);
  border: 1px solid var(--accent-blue);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.strongest-play-card::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.play-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(37,99,235,0.2);
  border: 1px solid var(--accent-blue);
  color: #60a5fa;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.play-matchup {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

.play-lean {
  font-size: 28px;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 12px;
}

.play-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.play-meta-item { font-size: 13px; }
.play-meta-item .label { color: var(--text-muted); font-size: 11px; display: block; }
.play-meta-item .value { font-weight: 600; }

.composite-score {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  font-size: 18px;
  font-weight: 800;
  border: 3px solid;
}
.composite-score.high { border-color: var(--accent-green); color: var(--accent-green); }
.composite-score.med  { border-color: var(--gold); color: var(--gold); }
.composite-score.low  { border-color: var(--accent-red); color: var(--accent-red); }

/* ── CONFIDENCE BADGES ───────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge-strong  { background: rgba(22,163,74,0.2);  color: #4ade80; border: 1px solid #16a34a; }
.badge-mod     { background: rgba(217,119,6,0.2);  color: #fbbf24; border: 1px solid #d97706; }
.badge-caution { background: rgba(220,38,38,0.2);  color: #f87171; border: 1px solid #dc2626; }
.badge-info    { background: rgba(37,99,235,0.2);  color: #60a5fa; border: 1px solid #2563eb; }
.badge-purple  { background: rgba(124,58,237,0.2); color: #a78bfa; border: 1px solid #7c3aed; }

/* ── TABLES ──────────────────────────── */

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  white-space: nowrap;
}
.data-table th:hover { color: var(--text-primary); }
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(48,54,61,0.5);
  vertical-align: middle;
}
.data-table tr:hover td { background: var(--bg-hover); }
.data-table tr:last-child td { border-bottom: none; }

.table-wrap { overflow-x: auto; }

/* ── STAT GRID ───────────────────────── */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}
.stat-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
}
.stat-box .stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  display: block;
}
.stat-box .stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* ── LEAN INDICATORS ─────────────────── */

.lean-over  { color: #4ade80; font-weight: 700; }
.lean-under { color: #f87171; font-weight: 700; }
.lean-home  { color: #60a5fa; font-weight: 700; }
.lean-away  { color: #c084fc; font-weight: 700; }

.edge-positive { color: #4ade80; }
.edge-negative { color: #f87171; }

/* ── SITUATION TAGS ──────────────────── */

.sit-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 11px;
  margin: 2px;
}
.sit-tag.pitcher { border-color: #7c3aed; color: #a78bfa; }
.sit-tag.team    { border-color: #2563eb; color: #60a5fa; }
.sit-tag.batter  { border-color: #16a34a; color: #4ade80; }
.sit-tag.weather { border-color: #d97706; color: #fbbf24; }
.sit-tag.betting { border-color: #dc2626; color: #f87171; }

/* ── PROGRESS BAR ────────────────────── */

.progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}
.progress-fill.green  { background: var(--accent-green); }
.progress-fill.yellow { background: var(--gold); }
.progress-fill.red    { background: var(--accent-red); }
.progress-fill.blue   { background: var(--accent-blue); }

/* ── BUTTONS ──────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--accent-blue);
  color: #fff;
}
.btn-primary:hover { background: #1d4ed8; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-danger {
  background: var(--accent-red);
  color: #fff;
}

/* ── FORMS ────────────────────────────── */

.input {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 13px;
  width: 100%;
  transition: border-color var(--transition);
}
.input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 13px;
  cursor: pointer;
}

/* ── TABS ─────────────────────────────── */

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.tab {
  padding: 8px 16px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.tab:hover { color: var(--text-primary); }
.tab.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}

/* ── DISCLAIMER ──────────────────────── */

.disclaimer {
  background: rgba(217,119,6,0.08);
  border: 1px solid rgba(217,119,6,0.3);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 11px;
  color: var(--accent-yellow);
  text-align: center;
  margin-top: 16px;
}

/* ── GATE OVERLAY ────────────────────── */

.gate-overlay {
  text-align: center;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-top: 16px;
}
.gate-overlay h3 { font-size: 18px; margin-bottom: 8px; }
.gate-overlay p  { color: var(--text-muted); margin-bottom: 16px; font-size: 13px; }

/* ── GRID LAYOUTS ────────────────────── */

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }

/* ── PILL FILTERS ────────────────────── */

.filter-pills { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.pill {
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
}
.pill:hover { border-color: var(--accent-blue); color: var(--accent-blue); }
.pill.active {
  background: rgba(37,99,235,0.2);
  border-color: var(--accent-blue);
  color: #60a5fa;
}

/* ── LOADERS ─────────────────────────── */

.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius);
  height: 16px;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── MOBILE MENU ─────────────────────── */

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
}

/* ── RESPONSIVE ──────────────────────── */

@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,0.5);
  }
  .main-content { margin-left: 0; }
  .menu-toggle { display: block; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .play-matchup { font-size: 18px; }
  .play-lean { font-size: 22px; }
  .page-body { padding: 16px; }
}

@media (max-width: 600px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .tabs { overflow-x: auto; }
  .tab { padding: 8px 12px; }
}

/* ── UTILITY ─────────────────────────── */

.text-muted   { color: var(--text-muted); }
.text-green   { color: #4ade80; }
.text-red     { color: #f87171; }
.text-yellow  { color: #fbbf24; }
.text-blue    { color: #60a5fa; }
.text-purple  { color: #a78bfa; }
.text-gold    { color: var(--gold); }
.text-sm      { font-size: 12px; }
.text-xs      { font-size: 11px; }
.text-right   { text-align: right; }
.text-center  { text-align: center; }
.fw-700       { font-weight: 700; }
.mt-8         { margin-top: 8px; }
.mt-16        { margin-top: 16px; }
.mt-24        { margin-top: 24px; }
.mb-16        { margin-bottom: 16px; }
.gap-8        { gap: 8px; }
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-gap     { display: flex; align-items: center; gap: 8px; }
.hidden       { display: none !important; }
.sr-only      { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }