:root {
  color-scheme: dark; /* Forces browser native parts to be dark */
  /* Core Colors - Modern Automotive Palette */
  --bg-body: #0a0c10;
  --bg-header: rgba(17, 20, 28, 0.9);
  --bg-card: rgba(22, 27, 34, 0.8);
  --bg-input: #1b2129;
  
  --primary: #38bdf8;
  --primary-glow: rgba(56, 189, 248, 0.25);
  --primary-dark: #0284c7;
  
  --success: #22c55e;
  --success-glow: rgba(34, 197, 94, 0.2);
  
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.2);
  
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.2);
  
  --text-main: #f1f5f9;
  --text-dim: #94a3b8;
  --text-muted: #64748b;
  
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.15);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  
  --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --glass: blur(12px) saturate(160%);
  
  --content-max-width: 1400px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-body);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: var(--bg-input); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Top Navigation Layout */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--bg-header);
  backdrop-filter: var(--glass);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  justify-content: center;
}

.nav-container {
  width: 100%;
  max-width: var(--content-max-width);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.logo i {
  color: var(--primary);
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

.logo span {
  font-weight: 800;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #fff 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  flex: 1;
  justify-content: center;
  padding: 0 1rem;
}

.nav-item {
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
  font-size: 0.875rem;
  white-space: nowrap;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
}

.nav-item.active {
  background: var(--primary-glow);
  color: var(--primary);
  box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.2);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
  justify-content: flex-end;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.profile-avatar {
  width: 36px;
  height: 36px;
  background: var(--primary-glow);
  border: 1px solid var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-avatar i {
  width: 18px;
  color: var(--primary);
}

.logout-icon-btn {
  padding: 0.5rem;
  color: var(--danger);
  border-color: var(--danger-glow);
}

.logout-icon-btn:hover {
  background: var(--danger-glow);
  border-color: var(--danger);
}

/* Main Content Area */
.main-content {
  padding-top: 100px;
  padding-bottom: 3rem;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  background-image: 
    radial-gradient(circle at 100% 0%, rgba(56, 189, 248, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 0% 100%, rgba(56, 189, 248, 0.03) 0%, transparent 40%);
}

.content-wrapper {
  width: 100%;
  max-width: var(--content-max-width);
  padding: 0 2rem;
}

.page-header {
  margin-bottom: 2.5rem;
}

#page-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

/* Rest of components (Cards, Tables, etc.) */
.card {
  background: var(--bg-card);
  backdrop-filter: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover { border-color: var(--border-light); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  gap: 0.625rem;
  white-space: nowrap;
}

.btn-sm { padding: 0.5rem 1rem; font-size: 0.8125rem; }

.btn-primary {
  background: var(--primary);
  color: #000;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
  background: #7dd3fc;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-success {
  background: var(--success);
  color: #000;
  box-shadow: 0 4px 15px var(--success-glow);
}

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

.btn-outline:hover { background: rgba(255, 255, 255, 0.05); border-color: var(--text-dim); }

/* Ensure select buttons have the custom arrow padding */
select.btn {
  padding-right: 2.5rem !important;
  appearance: none;
}

/* Tables */
.table-container { overflow-x: auto; margin-top: 1.5rem; }
table { width: 100%; border-collapse: separate; border-spacing: 0 0.5rem; text-align: left; }
th { padding: 1rem 1.25rem; color: var(--text-muted); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; }
td { padding: 1.25rem; background: rgba(255, 255, 255, 0.02); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); font-size: 0.9375rem; }
td:first-child { border-left: 1px solid var(--border); border-radius: var(--radius-md) 0 0 var(--radius-md); }
td:last-child { border-right: 1px solid var(--border); border-radius: 0 var(--radius-md) var(--radius-md) 0; }
tr:hover td { background: rgba(255, 255, 255, 0.05); border-color: var(--border-light); }

/* Badges */
.badge { padding: 0.375rem 0.875rem; border-radius: 100px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; display: inline-flex; align-items: center; gap: 0.375rem; }
.badge-new, .status-new { background: rgba(56, 189, 248, 0.15); color: var(--primary); border: 1px solid var(--primary-glow); }
.badge-in_progress, .status-in_progress { background: rgba(245, 158, 11, 0.15); color: var(--warning); border: 1px solid var(--warning-glow); }
.badge-completed, .status-completed { background: rgba(34, 197, 94, 0.15); color: var(--success); border: 1px solid var(--success-glow); }
.badge-cancelled, .status-cancelled { background: rgba(239, 68, 68, 0.15); color: var(--danger); border: 1px solid var(--danger-glow); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }

/* Forms */
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.625rem; font-size: 0.875rem; font-weight: 600; color: var(--text-dim); }

input, select, textarea { 
  width: 100%; 
  padding: 0.875rem 1.125rem; 
  background: var(--bg-input); 
  border: 1px solid var(--border); 
  border-radius: var(--radius-md); 
  color: var(--text-main); 
  outline: none; 
  transition: all 0.2s; 
  font-size: 0.9375rem; 
  appearance: none; /* Reset for custom arrow */
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.125rem center;
  background-size: 16px;
  padding-right: 3rem;
  cursor: pointer;
}

/* Fixing the light-on-light option issue in many browsers */
select option {
  background-color: #1b2129; /* Explicit dark background */
  color: var(--text-main);
  padding: 10px;
}

input:focus, select:focus { 
  border-color: var(--primary); 
  background-color: rgba(56, 189, 248, 0.05); 
  box-shadow: 0 0 0 4px var(--primary-glow); 
}

/* Search Box */
.search-box { position: relative; display: flex; align-items: center; }
.search-box i { position: absolute; left: 1.125rem; color: var(--text-muted); width: 18px; height: 18px; }
.search-box input { padding-left: 3rem; }

/* Auth Pages */
.auth-bg { background: var(--bg-body); background-image: radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.1) 0%, transparent 50%), linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.5)); min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 2rem; }
.auth-container { max-width: 440px; width: 100%; background: var(--bg-header); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 3rem; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5); animation: slideUp 0.6s cubic-bezier(0.23, 1, 0.32, 1); }
@keyframes slideUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* Modal System */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.8); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; z-index: 9999; padding: 1.5rem; animation: fadeIn 0.3s ease; }
.modal-content { width: 100%; max-width: 600px; background: #11141c !important; border: 1px solid var(--border-light); border-radius: var(--radius-lg); box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.6); max-height: 90vh; overflow-y: auto; }

/* Chips */
.chips-container { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.chip { padding: 0.625rem 1.25rem; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border); border-radius: 100px; font-size: 0.875rem; color: var(--text-dim); cursor: pointer; transition: all 0.2s; user-select: none; font-weight: 500; }
.chip:hover { border-color: var(--border-light); color: var(--text-main); background: rgba(255, 255, 255, 0.08); }
.chip.active { background: var(--primary); border-color: var(--primary); color: #000; box-shadow: 0 4px 15px var(--primary-glow); }

/* Autocomplete */
.search-results { background: var(--bg-input); border: 1px solid var(--border-light); border-radius: var(--radius-md); margin-top: 8px; max-height: 250px; overflow-y: auto; box-shadow: 0 10px 25px rgba(0,0,0,0.5); }
.search-item { padding: 1rem 1.25rem; cursor: pointer; border-bottom: 1px solid var(--border); }
.search-item:last-child { border-bottom: none; }
.search-item:hover { background: var(--primary-glow); color: var(--primary); }

/* Animations */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.animate-fade { animation: fadeIn 0.5s ease forwards; }
.spin { animation: spin 1.5s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.loader { width: 40px; height: 40px; border: 3px solid rgba(56, 189, 248, 0.1); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
.stats-card { padding: 1.75rem; position: relative; overflow: hidden; }
.stats-card h2 { font-size: 2.25rem; margin-top: 0.5rem; color: var(--text-main); }
.stats-card p { color: var(--text-muted); font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }

.item-completed { opacity: 0.5; filter: grayscale(0.5); }
.item-completed b { text-decoration: line-through; }

.hidden { display: none !important; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.mt-4 { margin-top: 1.5rem; }

/* Responsive Header */
@media (max-width: 1300px) {
  .nav-item span { display: none; }
  .nav-item { padding: 0.75rem; }
  .user-profile > div:first-child { display: none; } /* Hide name/role text */
}

@media (max-width: 900px) {
  .logo span { display: none; }
  .nav-container { padding: 0 1rem; }
}

@media print {
  .top-nav, .btn, .modal-overlay { display: none !important; }
  .main-content { padding-top: 0 !important; }
  .card { box-shadow: none !important; border: 1px solid #eee !important; color: #000 !important; }
  body { background: #fff !important; color: #000 !important; }
}