/* ==========================================================================
   RADAR SC - Estilo HUD Veicular de Alto Contraste (Mobile-first PWA)
   ========================================================================== */

:root {
  --bg-color: #0b0e14;
  --card-bg: #151a24;
  --card-border: #232c3d;
  --text-main: #f0f6fc;
  --text-muted: #8b949e;

  /* Cores de Alerta */
  --color-safe: #00e676;
  --color-warning: #ffb300;
  --color-danger: #ff1744;
  --color-blue: #2979ff;
  --color-inactive: #424e61;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Consolas", "Roboto Mono", monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-family);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  user-select: none;
  overflow-x: hidden;
}

.hud-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
  padding: 16px;
  gap: 16px;
}

/* Header */
.hud-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 14px 16px;
  border-radius: 14px;
}

.header-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 1px;
}

.badge-sc {
  background: #00e676;
  color: #000;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 900;
}

.badge-esp {
  background: var(--color-blue);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 900;
}

.status-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-warning {
  background: rgba(255, 179, 0, 0.15);
  color: var(--color-warning);
  border: 1px solid rgba(255, 179, 0, 0.3);
}

.badge-success {
  background: rgba(0, 230, 118, 0.15);
  color: var(--color-safe);
  border: 1px solid rgba(0, 230, 118, 0.3);
}

.badge-disconnected {
  background: rgba(139, 148, 158, 0.15);
  color: var(--text-muted);
  border: 1px solid var(--card-border);
}

.badge-connected {
  background: rgba(41, 121, 255, 0.15);
  color: var(--color-blue);
  border: 1px solid rgba(41, 121, 255, 0.4);
}

.header-actions {
  display: flex;
  gap: 10px;
}

/* Botões */
.btn {
  border: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.btn-primary {
  flex: 1;
  background: #238636;
  color: #fff;
  padding: 12px 16px;
  box-shadow: 0 4px 12px rgba(35, 134, 54, 0.3);
}

.btn-primary:active {
  transform: scale(0.98);
  background: #2ea043;
}

.btn-icon {
  background: #21262d;
  color: var(--text-main);
  padding: 12px 16px;
  font-size: 1.1rem;
  border: 1px solid var(--card-border);
}

.btn-secondary {
  background: #21262d;
  color: var(--text-muted);
  padding: 8px 12px;
  font-size: 0.8rem;
  border: 1px solid var(--card-border);
  width: 100%;
}

.btn-sm {
  font-size: 0.78rem;
  padding: 8px 12px;
  border-radius: 6px;
}

.btn-success {
  background: #198754;
  color: #fff;
}

.btn-danger {
  background: #dc3545;
  color: #fff;
}

.btn-warning {
  background: #d97706;
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-main);
}

/* Painel de Velocímetro */
.speedometer-section {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px 0;
}

.speed-ring {
  background: radial-gradient(circle, #1a2233 0%, #0f1522 70%);
  border: 4px solid #232d42;
  border-radius: 50%;
  width: 250px;
  height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.8), inset 0 0 20px rgba(0, 0, 0, 0.6);
  transition: border-color 0.3s ease;
}

.speed-value-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 10px;
}

.speed-number {
  font-family: var(--font-mono);
  font-size: 5.5rem;
  font-weight: 900;
  line-height: 1;
  color: #ffffff;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.speed-unit {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.heading-container {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.heading-value {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-main);
}

.heading-cardinal {
  font-weight: 800;
  color: var(--color-blue);
  background: rgba(41, 121, 255, 0.15);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.75rem;
}

/* Painel de Alerta de Radar */
.radar-box {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all 0.3s ease;
}

.radar-status-bar {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 8px 12px;
  border-radius: 8px;
  text-transform: uppercase;
  background: rgba(0, 230, 118, 0.1);
  color: var(--color-safe);
  border: 1px solid rgba(0, 230, 118, 0.2);
}

.radar-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.metric-card {
  background: #0f141f;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
}

.metric-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.metric-display {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.limit-sign {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 900;
  color: #fff;
  border: 3px solid #dc3545;
  background: #fff;
  color: #000;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.distance-number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-blue);
  line-height: 1;
}

.metric-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.radar-details {
  text-align: center;
  background: #0f141f;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 10px;
}

.radar-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
  margin-bottom: 2px;
}

.radar-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Estados de Alerta Dinâmicos */
/* 0 = Normal / Seguro */
.alert-status-normal .radar-status-bar {
  background: rgba(0, 230, 118, 0.15);
  color: var(--color-safe);
  border-color: rgba(0, 230, 118, 0.4);
}

/* 1 = Atenção (Radar <= 700m e Vel <= Limite) */
.alert-status-warning {
  border-color: var(--color-warning) !important;
  box-shadow: 0 0 20px rgba(255, 179, 0, 0.25);
}

.alert-status-warning .radar-status-bar {
  background: rgba(255, 179, 0, 0.2);
  color: var(--color-warning);
  border-color: var(--color-warning);
}

.alert-status-warning .speed-ring {
  border-color: var(--color-warning);
}

/* 2 = Perigo / Excesso de Velocidade (Radar <= 700m e Vel > Limite) */
.alert-status-danger {
  border-color: var(--color-danger) !important;
  animation: flashBorder 0.2s infinite alternate;
}

.alert-status-danger .radar-status-bar {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
  animation: flashBackground 0.2s infinite alternate;
}

.alert-status-danger .speed-ring {
  border-color: var(--color-danger);
  box-shadow: 0 0 35px rgba(255, 23, 68, 0.5);
}

.alert-status-danger .speed-number {
  color: var(--color-danger);
  text-shadow: 0 0 25px rgba(255, 23, 68, 0.6);
}

@keyframes flashBorder {
  0% { box-shadow: 0 0 10px rgba(255, 23, 68, 0.3); }
  100% { box-shadow: 0 0 35px rgba(255, 23, 68, 0.9); }
}

@keyframes flashBackground {
  0% { opacity: 0.8; }
  100% { opacity: 1; }
}

/* Seção de Simulação */
.simulation-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sim-panel {
  background: var(--card-bg);
  border: 1px dashed var(--card-border);
  padding: 12px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sim-panel.hidden {
  display: none;
}

.sim-instructions {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.sim-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sim-feedback {
  font-size: 0.75rem;
  color: var(--color-blue);
  font-family: var(--font-mono);
}

/* Footer */
.hud-footer {
  margin-top: auto;
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  padding: 10px 0;
}