:root {
  --bg-color: #050711;
  --bg-elevated: #0f1224;
  --bg-elevated-soft: #15172b;
  --accent: #6f8cff; /* gentle blue */
  --accent-soft: rgba(111, 140, 255, 0.14);
  --accent-strong: #8b9bff;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --text-main: #eef2ff;
  --text-muted: #b6bdd8;
  --danger: #ff6b7a;
  --success: #1fcc8f;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.6);
  --focus-ring: 3px;
}

body {
  margin: 1%;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);
  background: radial-gradient(circle at top, #141427 0, var(--bg-color) 60%);
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.35;
}

/* App shell */

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

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: linear-gradient(90deg, #050816 0, #090b1a 100%);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
  position: sticky;
  top: 0;
  z-index: 20;
}

/* center header nav while keeping logo and header-actions at sides */
.app-header { position: relative; }
/* Center header nav only on wider screens; on small screens keep normal flow to avoid overlap */
.app-header .nav { position: static; transform: none; }
@media (min-width: 960px) {
  .app-header .nav { position: absolute; left: 50%; transform: translateX(-50%); }
}

.logo {
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 16px;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.nav {
  display: flex;
  gap: 16px;
  font-size: 14px;
}

.nav-item {
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-item.active,
.nav-item:hover {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-button {
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 18px;
  padding: 4px 6px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.icon-button:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent-strong);
  transform: translateY(-1px);
}

/* Main grid */

.app-main {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(240px, 300px) minmax(360px, 1fr) minmax(240px, 300px);
  gap: 16px;
  padding: 16px 24px 24px;
  box-sizing: border-box;
}

.panel {
  background: linear-gradient(145deg, rgba(15, 18, 42, 0.92), rgba(5, 7, 20, 0.98));
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  padding: 12px 14px 14px;
  box-sizing: border-box;
}

.panel-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin: 0 0 6px;
}

/* Subpanels (cards inside panels) */

.subpanel {
  background: linear-gradient(135deg, #14172f, #101226);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.03);
  margin-bottom: 10px;
  overflow: hidden;
}

.subpanel-header {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.subpanel-body {
  padding: 10px;
}

/* Form controls */

.field-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.field-label {
  font-size: 11px;
  color: var(--text-muted);
  min-width: 90px;
}

.input,
.select {
  padding: 7px 9px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(9, 10, 26, 0.95);
  color: var(--text-main);
  font-size: 13px;
  outline: none;
  min-width: 0;
  flex: 1;
  box-sizing: border-box;
}

.input::placeholder {
  color: rgba(164, 167, 194, 0.7);
}

.input:focus,
.select:focus {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 var(--focus-ring) rgba(111, 140, 255, 0.14);
  background: #0b0d1a;
}

/* Accessible focus for keyboard users */
:focus-visible {
  outline: none;
  box-shadow: 0 0 0 var(--focus-ring) rgba(111,140,255,0.2);
}

.input-small {
  max-width: 70px;
}

/* Buttons */

.btn {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  background: rgba(17, 20, 52, 0.9);
  color: var(--text-main);
  font-size: 12px;
  padding: 6px 12px;
  cursor: pointer;
  min-height: 40px;
  min-width: 44px;
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), #4f6fff);
  border-color: rgba(143, 167, 255, 0.6);
  box-shadow: 0 10px 25px rgba(111, 140, 255, 0.45);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(111, 140, 255, 0.6);
}

.btn:hover {
  background: rgba(29, 35, 82, 0.95);
}

.btn.wide {
  width: 100%;
  justify-content: center;
}

/* Current game + trackers */

.current-game {
  padding: 10px 12px;
  margin-bottom: 8px;
  border-radius: 10px;
  background: radial-gradient(circle at left, rgba(111, 140, 255, 0.2), transparent 60%);
  border: 1px solid rgba(255, 255, 255, 0.03);
  font-size: 13px;
  color: var(--text-muted);
}

#trackers-area .row {
  margin-top: 6px;
}

/* Trackers list */

#trackers-list {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tracker-pill {
  background: rgba(19, 25, 64, 0.96);
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.tracker-pill .tracker-label {
  color: var(--text-main);
}

.tracker-pill .tracker-type-yn {
  color: var(--accent-strong);
}

.tracker-pill .tracker-type-player {
  color: var(--success);
}

.tracker-pill button {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 11px;
  padding: 0 4px;
  cursor: pointer;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}

.tracker-pill button:hover {
  background: rgba(255, 255, 255, 0.08);
}

.tracker-pill button:last-child:hover {
  color: var(--danger);
}

/* Games list */

.games-list {
  list-style: none;
  padding: 0;
  margin: 4px 0 0;
  font-size: 12px;
}

.games-list li {
  padding: 6px 8px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-muted);
  border: 1px solid transparent;
  margin-bottom: 4px;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.games-list li:hover {
  background: rgba(28, 34, 86, 0.9);
  border-color: rgba(111, 140, 255, 0.4);
  color: var(--text-main);
}

/* Seats area */

#seats-area .row {
  margin-bottom: 6px;
}

/* Responsive */

@media (max-width: 960px) {
  .app-main {
    grid-template-columns: 1fr;
    padding: 12px;
  }
  .panel {
    max-height: none;
  }
}

/* Hide theme toggle to enforce dark-only UI */
#theme-toggle { display: none !important; }

/* Slightly larger touch targets on small screens */
@media (max-width: 520px) {
  .btn { padding: 12px 14px; font-size: 16px; min-height:48px; }
  .input, .select { padding: 12px 14px; font-size: 16px; }
  .logo { font-size: 18px; }
  .nav { gap: 10px; }
  /* Make nav items bigger and easier to tap */
  .nav-item { padding: 10px 12px; font-size: 15px; border-radius: 10px; }

  /* Stack form rows vertically for narrow screens */
  .field-row { flex-direction: column; align-items: stretch; }
  .field-label { min-width: auto; width: 100%; }
  .field-row .input, .field-row .select, .field-row .btn { width: 100%; }

  /* Increase games list touch targets and spacing */
  .games-list li { font-size: 15px; padding: 10px 12px; border-radius: 8px; }

  /* Slightly larger tracker pills for touch */
  .tracker-pill { padding: 8px 10px; font-size: 14px; }
}

/* Mobile tabs: hidden by default, visible on small screens */
.mobile-tabs { display: none; }
@media (max-width: 960px) {
  body{
    margin: 5%;
  }
  .mobile-tabs {
    display: flex;
    gap: 8px;
    padding: 10px 12px;
    background: linear-gradient(90deg, rgba(10,12,24,0.95), rgba(15,18,36,0.95));
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }
  .mobile-tab-btn {
    flex: 1;
    padding: 10px 8px;
    border-radius: 10px;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
  }
  .mobile-tab-btn.active,
  .mobile-tab-btn:active {
    background: var(--accent-soft);
    color: var(--accent-strong);
    border-color: rgba(143,167,255,0.12);
  }

  /* When switching on mobile, hide other panels using helper class */
  .panel.mobile-hidden { display: none !important; }
}


body.light-theme {
  --bg-color: #f4f5fb;
  --bg-elevated: #ffffff;
  --bg-elevated-soft: #f5f6fc;
  --accent: #5364ff;
  --accent-soft: rgba(83, 100, 255, 0.15);
  --accent-strong: #3139c9;
  --border-subtle: rgba(0, 0, 0, 0.06);
  --text-main: #111220;
  --text-muted: #5b5f7c;
  --shadow-soft: 0 18px 35px rgba(0, 0, 0, 0.16);
}

.tab {
  display: none;
}

.tab.active {
  display: grid;
}

/* Table tab uses the main 3‑column grid */
#tab-table {
  grid-template-columns: inherit;
  gap: inherit;
}

/* Stats tab is a single column in the same main area */
#tab-stats {
  grid-template-columns: 1fr;
}

.stats-placeholder {
  font-size: 13px;
  color: var(--text-muted);
}

.stats-section-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 10px 0 4px;
}

.stats-row {
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.stats-row:last-child {
  border-bottom: none;
}

.stats-highlight {
  color: var(--accent-strong);
}

/* Chart containers: give canvases a fixed max height to prevent infinite growth */
.chart-container {
  width: 100%;
  height: 240px;
  max-height: 420px;
  margin: 8px 0 4px;
}
.chart-container.chart-small {
  height: 140px;
  max-height: 200px;
}
.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.trackers-breakdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  margin-top: 8px;
}
.tracker-card {
  padding: 10px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(20,22,44,0.9), rgba(10,12,24,0.95));
  border: 1px solid rgba(255,255,255,0.03);
}

.stats-badge {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}
.stats-chart-block {
  margin-top: 12px;
}

.stats-chart-block canvas {
  width: 100%;
  max-height: 260px;
}

/* Mobile: force stacked single-column layout for tracker charts */
@media (max-width: 520px) {
  .trackers-breakdown {
    grid-template-columns: 1fr; /* single column stacked */
    gap: 10px;
  }
  .chart-container,
  .chart-container.chart-small {
    height: 200px;
    max-height: 260px;
  }
  .tracker-card {
    padding: 12px;
  }
}

/* Stats page uses a single-column app-main so panels fill full width */
.app-main.stats-page {
  grid-template-columns: 1fr;
}