/* FleetMaster High-Precision Dark & Light Mode Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* ---------------- Light Mode Base Palette (Default) ---------------- */
  color-scheme: light;
  --bg-color: #f0f5ff;
  --bg-gradient: radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.12) 0px, transparent 50%),
                 radial-gradient(at 100% 100%, rgba(56, 189, 248, 0.1) 0px, transparent 50%),
                 radial-gradient(at 50% 50%, #f0f5ff 0px, #e2e8f0 100%);
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-sub: #334155;
  
  --card-bg: rgba(255, 255, 255, 0.95);
  --card-border: #e2e8f0;
  --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05), 0 2px 6px -1px rgba(0, 0, 0, 0.03);
  
  --header-bg: rgba(255, 255, 255, 0.9);
  --header-border: #e2e8f0;
  
  --table-th-bg: #f8fafc;
  --table-th-text: #475569;
  --table-border: #e2e8f0;
  --table-hover: #f1f5f9;
  --table-td-text: #1e293b;
  
  --input-bg: #ffffff;
  --input-border: #cbd5e1;
  --input-text: #0f172a;
  --input-placeholder: #94a3b8;
  
  --modal-bg: #ffffff;
  --modal-border: #e2e8f0;
  --modal-sub-bg: #f8fafc;
  --modal-sub-border: #e2e8f0;
}

html.dark, html[data-theme="dark"] {
  /* ---------------- Dark Mode Overrides ---------------- */
  color-scheme: dark;
  --bg-color: #060813;
  --bg-gradient: radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
                 radial-gradient(at 100% 100%, rgba(56, 189, 248, 0.1) 0px, transparent 50%),
                 radial-gradient(at 50% 50%, #060813 0px, #0f172a 100%);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-sub: #cbd5e1;
  
  --card-bg: rgba(15, 23, 42, 0.65);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  
  --header-bg: rgba(15, 23, 42, 0.75);
  --header-border: rgba(51, 65, 85, 0.6);
  
  --table-th-bg: rgba(15, 23, 42, 0.95);
  --table-th-text: #94a3b8;
  --table-border: rgba(51, 65, 85, 0.6);
  --table-hover: rgba(51, 65, 85, 0.4);
  --table-td-text: #f8fafc;
  
  --input-bg: rgba(15, 23, 42, 0.9);
  --input-border: rgba(51, 65, 85, 0.8);
  --input-text: #ffffff;
  --input-placeholder: #64748b;
  
  --modal-bg: #1e293b;
  --modal-border: rgba(51, 65, 85, 0.8);
  --modal-sub-bg: rgba(15, 23, 42, 0.8);
  --modal-sub-border: rgba(51, 65, 85, 0.6);
}

html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color) !important;
  background-image: var(--bg-gradient) !important;
  background-attachment: fixed;
  color: var(--text-main);
  transition: background-color 0.2s ease, color 0.2s ease;
}

#app {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

[v-cloak] {
  opacity: 0;
}

.font-mono-nums {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}

/* Glassmorphism Cards */
.glass-card {
  background-color: var(--card-bg) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border) !important;
  box-shadow: var(--card-shadow) !important;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card-hover:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.4) !important;
  box-shadow: 0 8px 24px -2px rgba(0, 0, 0, 0.1), 0 0 15px 0 rgba(99, 102, 241, 0.12) !important;
}

html.dark .glass-card-hover:hover {
  box-shadow: 0 12px 36px -4px rgba(0, 0, 0, 0.4), 0 0 20px 0 rgba(99, 102, 241, 0.2) !important;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.35);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.6);
}

/* Table styles */
.custom-table {
  width: 100%;
}

.custom-table th {
  background-color: var(--table-th-bg) !important;
  color: var(--table-th-text) !important;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--table-border) !important;
  font-weight: 600;
  vertical-align: middle;
}

.custom-table td {
  border-bottom: 1px solid var(--table-border) !important;
  color: var(--table-td-text) !important;
  vertical-align: middle;
}

.custom-table tr:hover td {
  background-color: var(--table-hover) !important;
}

/* Input elements */
.theme-input {
  background-color: var(--input-bg) !important;
  border: 1px solid var(--input-border) !important;
  color: var(--input-text) !important;
}

.theme-input::placeholder {
  color: var(--input-placeholder) !important;
}

.theme-input:focus {
  border-color: #6366f1 !important;
  outline: none;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2) !important;
}

/* Modal styles */
.theme-modal {
  background-color: var(--modal-bg) !important;
  border: 1px solid var(--modal-border) !important;
  color: var(--text-main) !important;
}

.theme-modal-sub {
  background-color: var(--modal-sub-bg) !important;
  border: 1px solid var(--modal-sub-border) !important;
}

/* Utilities */
.no-scrollbar::-webkit-scrollbar {
  display: none !important;
}
.no-scrollbar {
  -ms-overflow-style: none !important;
  scrollbar-width: none !important;
}
.touch-scroll {
  -webkit-overflow-scrolling: touch !important;
}

/* ============================================================ */
/* Mobile & Tablet Responsive Optimizations (<= 768px & <= 640px) */
/* ============================================================ */
@media (max-width: 768px) {
  /* Chart Heights */
  #chart-daily-trend {
    height: 250px !important;
  }
  #chart-driver-ranking {
    height: 270px !important;
  }
  #chart-site-breakdown, 
  #chart-vehicle-stats, 
  #chart-fair-scatter {
    height: 240px !important;
  }
  #chart-daily-driver-bars {
    height: 270px !important;
  }
  #chart-driver-timeline, 
  #chart-driver-donut {
    height: 200px !important;
  }

  /* Table styling on mobile */
  .custom-table th, 
  .custom-table td {
    padding-left: 8px !important;
    padding-right: 8px !important;
    font-size: 11px !important;
  }

  /* Glass cards padding */
  .glass-card {
    border-radius: 14px !important;
  }

  /* Modal responsiveness */
  .theme-modal {
    max-height: 94vh !important;
    margin: 8px !important;
    border-radius: 20px !important;
  }
}

@media (max-width: 640px) {
  /* Header & Navigation */
  header {
    padding: 8px 12px !important;
    gap: 8px !important;
  }

  /* Period selector */
  .period-selector-btn {
    padding: 4px 8px !important;
    font-size: 11px !important;
  }

  /* Reduce spacing on small screens */
  main {
    padding: 10px 8px !important;
  }

  /* Tables horizontal scroll touch wrapper */
  .table-responsive-wrapper {
    margin: 0 -8px;
    padding: 0 8px;
  }
}