/**
 * GPS Drivers - Real-Time Tracking Styles
 * 
 * Design: Minimal with black, white, and accent color (#d93a5e)
 * No shadows, clean aesthetic
 */

/* ============================================
   CSS Variables / Theme
   ============================================ */

:root {
  /* Colors */
  --color-primary: #d93a5e;
  --color-primary-hover: #c32e50;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-light: #f5f5f5;
  --color-gray: #e0e0e0;
  --color-gray-dark: #666666;
  --color-text: #1a1a1a;
  --color-text-muted: #888888;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* Sizes */
  --header-height: 60px;
  --sidebar-width: 320px;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 11px;
  --font-size-sm: 13px;
  --font-size-md: 15px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
}

/* ============================================
   Reset & Base
   ============================================ */

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

html, body {
  height: 100%;
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.5;
}

/* ============================================
   Header
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-black);
  color: var(--color-white);
  z-index: 1000;
  border-bottom: 2px solid var(--color-primary);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--spacing-lg);
  max-width: 100%;
}

.logo {
  font-size: var(--font-size-lg);
  font-weight: 600;
  letter-spacing: -0.5px;
}

.status {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gray);
  transition: background 0.3s ease;
}

.status-dot.connected {
  background: #4caf50;
}

.status-dot.disconnected {
  background: var(--color-primary);
}

/* ============================================
   Main Layout
   ============================================ */

.main {
  display: flex;
  height: calc(100vh - var(--header-height));
  margin-top: var(--header-height);
}

/* ============================================
   Map
   ============================================ */

.map {
  flex: 1;
  background: var(--color-gray-light);
  position: relative;
}

.map-error {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--color-white);
  border: 2px solid var(--color-primary);
}

.map-error h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.map-error p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ============================================
   Sidebar
   ============================================ */

.sidebar {
  width: var(--sidebar-width);
  background: var(--color-white);
  border-left: 1px solid var(--color-gray);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* ============================================
   Panel
   ============================================ */

.panel {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray);
}

.panel-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-black);
}

.panel-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

/* ============================================
   Driver List
   ============================================ */

.driver-list {
  max-height: 200px;
  overflow-y: auto;
  margin-bottom: var(--spacing-md);
}

.empty-message {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-style: italic;
}

.driver-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-gray-light);
  cursor: pointer;
  transition: background 0.2s ease;
}

.driver-item:hover {
  background: var(--color-gray-light);
  margin: 0 calc(-1 * var(--spacing-md));
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.driver-item:last-child {
  border-bottom: none;
}

.driver-info {
  display: flex;
  flex-direction: column;
}

.driver-id {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-black);
}

.driver-coords {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-family: monospace;
}

.driver-time {
  font-size: var(--font-size-xs);
  color: var(--color-primary);
}

.driver-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-gray-light);
}

/* ============================================
   Form Elements
   ============================================ */

.test-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-row {
  display: flex;
  gap: var(--spacing-md);
}

.form-row .form-group {
  flex: 1;
}

label {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input[type="text"],
input[type="number"] {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-gray);
  background: var(--color-white);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: border-color 0.2s ease;
}

input[type="text"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-black);
}

.btn-secondary:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.btn-secondary.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ============================================
   Simulation Status
   ============================================ */

.simulation-status {
  margin-top: var(--spacing-md);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.simulation-status.active {
  color: var(--color-primary);
}

/* ============================================
   Google Maps InfoWindow Styling
   ============================================ */

.info-window {
  font-family: var(--font-family);
  padding: var(--spacing-xs);
}

.info-window-title {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-black);
  margin-bottom: var(--spacing-xs);
}

.info-window-coords {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-family: monospace;
  margin-bottom: var(--spacing-xs);
}

.info-window-time {
  font-size: var(--font-size-xs);
  color: var(--color-primary);
}

/* ============================================
   Broadcast Log
   ============================================ */

.broadcast-log {
  max-height: 200px;
  overflow-y: auto;
  font-family: monospace;
  font-size: var(--font-size-xs);
  background: var(--color-gray-light);
  padding: var(--spacing-sm);
  border: 1px solid var(--color-gray);
}

.broadcast-entry {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--color-gray);
}

.broadcast-entry:last-child {
  border-bottom: none;
}

.broadcast-time {
  color: var(--color-text-muted);
  min-width: 70px;
}

.broadcast-driver {
  color: var(--color-primary);
  font-weight: 600;
  min-width: 80px;
}

.broadcast-coords {
  color: var(--color-text);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: auto;
    max-height: 50vh;
    border-left: none;
    border-top: 2px solid var(--color-primary);
    z-index: 999;
  }
  
  .map {
    height: calc(100vh - var(--header-height) - 200px);
  }
  
  .driver-list {
    max-height: 100px;
  }
}