/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-tertiary: #0f3460;
  --bg-row-alt: #1e2a4a;
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0b0;
  --text-muted: #666680;
  --accent: #e94560;
  --border: #2a2a4a;
  --color-session-best: #17a2b8;  /* blue */
  --color-personal-best: #28a745; /* green */
  --color-normal: #ffc107;        /* yellow */
  --color-cut: #dc3545;           /* red */
  --color-pit: #6f42c1;           /* purple */
  --color-drs: #28a745;
  --color-checkered: #ffd700;
}

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 13px;
  line-height: 1.4;
  overflow-x: hidden;
}

/* --- Connection Banner --- */
.connection-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-cut);
  color: white;
  text-align: center;
  padding: 6px;
  font-weight: 600;
  font-size: 12px;
  transition: transform 0.3s;
}
.connection-banner.hidden {
  transform: translateY(-100%);
}
.connection-banner.paused {
  background: var(--color-normal);
  color: #1a1a2e;
}

/* --- Session Header --- */
.session-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.session-title h1 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

.session-badge {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.session-details {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.detail-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.detail-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.detail-value {
  font-size: 14px;
  font-weight: 600;
}

.detail-sub {
  font-size: 11px;
  color: var(--text-secondary);
}

.temp-badge {
  padding: 2px 6px;
  border-radius: 3px;
  color: white;
  font-size: 13px;
}

/* --- Main Layout --- */
.main-layout {
  display: flex;
  gap: 12px;
  padding: 12px;
  min-height: calc(100vh - 80px);
}

/* --- Timings Section --- */
.timings-section {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.table-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  position: relative;
}

.btn-sm {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 11px;
  cursor: pointer;
}
.btn-sm:hover {
  background: var(--border);
}

.class-filter {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 11px;
  cursor: pointer;
}
.class-filter:hover {
  background: var(--border);
}

.server-input {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 3px 6px;
  border-radius: 3px;
  font-size: 11px;
  width: 56px;
}
.server-status {
  font-size: 10px;
  color: var(--text-muted);
  min-width: 60px;
}
.server-status.ok { color: var(--color-personal-best); }
.server-status.err { color: var(--color-cut); }

.relay-toggle[data-enabled="true"] {
  border-color: var(--color-personal-best);
  color: var(--color-personal-best);
}
.relay-toggle[data-enabled="false"] {
  border-color: var(--color-cut);
  color: var(--color-cut);
}
.relay-toggle:disabled {
  opacity: 0.5;
  cursor: wait;
}

.speed-toggle {
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

.column-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 12px;
  min-width: 240px;
}
.column-menu.hidden {
  display: none;
}
.column-menu label {
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

/* --- Timing Table --- */
.table-wrapper {
  overflow-x: auto;
}

.timing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.timing-table thead {
  position: sticky;
  top: 0;
  z-index: 20;
}

.timing-table th {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 6px 8px;
  text-align: left;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

.timing-table td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  vertical-align: middle;
}

.timing-table tbody tr {
  transition: background 0.15s;
}
.timing-table tbody tr:nth-child(even) {
  background: var(--bg-row-alt);
}
.timing-table tbody tr:hover {
  background: rgba(233, 69, 96, 0.1);
}

/* Column alignment */
.col-pos { text-align: center; width: 32px; }
.col-name { min-width: 120px; }

/* Driver name color indicator */
.driver-color {
  display: inline-block;
  width: 3px;
  height: 14px;
  border-radius: 1px;
  margin-right: 6px;
  vertical-align: middle;
}

.driver-name-text {
  vertical-align: middle;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 2px;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  margin-left: 4px;
  vertical-align: middle;
}

.badge-pit {
  background: var(--color-pit);
  color: white;
}

.badge-drs {
  background: var(--color-drs);
  color: white;
}

.badge-checkered {
  background: var(--color-checkered);
  color: #111;
}

.badge-admin {
  background: var(--color-session-best);
  color: white;
}

.badge-swap-active {
  background: #0d6efd;
  color: white;
  animation: swap-pulse 1s ease-in-out infinite;
}

.badge-swap-done {
  background: var(--color-personal-best);
  color: white;
}

.badge-swap-penalty {
  background: var(--color-cut);
  color: white;
}

@keyframes swap-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Timing colors */
.session-best {
  color: var(--color-session-best);
  font-weight: 600;
}

.personal-best {
  color: var(--color-personal-best);
  font-weight: 600;
}

.normal-time {
  color: var(--color-normal);
}

.cut-time {
  color: var(--color-cut);
}

/* Split badges */
.split-badge {
  display: inline-block;
  padding: 1px 4px;
  border-radius: 2px;
  font-size: 10px;
  margin-right: 2px;
}

.split-session-best {
  background: rgba(23, 162, 184, 0.2);
  color: var(--color-session-best);
}

.split-personal-best {
  background: rgba(40, 167, 69, 0.2);
  color: var(--color-personal-best);
}

.split-cut {
  background: rgba(220, 53, 69, 0.2);
  color: var(--color-cut);
}

.split-normal {
  background: rgba(255, 193, 7, 0.1);
  color: var(--color-normal);
}

/* Ping indicator */
.ping-value {
  font-size: 11px;
  font-weight: 600;
}

/* Stored Times Header */
.stored-header {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 16px 0 6px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

/* --- Toast Notifications --- */
.toast-container {
  position: fixed;
  bottom: 16px;
  right: 16px;
  z-index: 500;
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
  max-width: 320px;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--color-cut);
  border-left: 4px solid var(--color-cut);
  border-radius: 4px;
  padding: 10px 14px;
  font-size: 12px;
  animation: toast-in 0.3s ease-out;
}

.toast-title {
  font-weight: 700;
  color: var(--color-cut);
  margin-bottom: 4px;
}

.toast-body {
  color: var(--text-secondary);
}

@keyframes toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .main-layout {
    flex-direction: column;
  }
  .session-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* --- Hidden Utility --- */
.hidden {
  display: none !important;
}

/* Column visibility - toggled via JS */
.col-hidden {
  display: none;
}

/* --- Admin page --- */
.admin-layout {
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 20px;
}
.admin-title {
  font-size: 22px;
  margin-bottom: 24px;
}
.admin-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px 20px;
  margin-bottom: 16px;
}
.admin-card-title {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.admin-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.5;
}
.admin-hint code {
  background: var(--bg-tertiary);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 11px;
}
.admin-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.admin-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}
.admin-footer {
  margin-top: 24px;
  font-size: 12px;
}
.admin-link {
  color: var(--text-secondary);
  text-decoration: none;
}
.admin-link:hover {
  color: var(--text-primary);
}