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

:root {
  --navy: #002B6E;
  --cyan: #0085CA;
  --cyan-hover: #006DA8;
  --light-cyan: #4cc9f0;
  --bg: #f0f2f5;
  --white: #fff;
  --text-color: #333333;
  --heading-color: #002B6E;
  --secondary-heading-color: #002B6E;
  --page-header-color: #002B6E;
  --subtitle-color: #111111;
  --detail-bg: #f8f9fa;
  --detail-color: #555555;
  --detail-value-color: #002B6E;
  --link-color: #0085CA;
  --navbar-text: #ffffff;
  --btn-text: #ffffff;
  --body-bg: #f0f2f5;
  --card-bg: #ffffff;
  --card-border: #e0e0e0;
  --success: #2ecc71;
  --warning: #f39c12;
  --danger: #e74c3c;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--body-bg);
  color: var(--text-color);
  min-height: 100vh;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Navbar */
.navbar {
  background: var(--navy);
  color: var(--navbar-text);
  padding: 15px 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.navbar .logo { font-size: 1.5rem; font-weight: 700; color: var(--navbar-text); text-decoration: none; }
.navbar .logo span { color: var(--navbar-text); }
.navbar nav a { color: var(--navbar-text); text-decoration: none; margin-left: 20px; transition: color 0.3s; font-weight: 500; opacity: 0.85; }
.navbar nav a:hover { opacity: 1; color: var(--light-cyan); }
.navbar .user-name { color: var(--light-cyan); margin-right: 15px; font-weight: 600; }

/* Hero */
.hero {
  text-align: center;
  padding: 100px 20px;
  background: linear-gradient(135deg, #002B6E 0%, #00408a 50%, #0085CA 100%);
  color: #fff;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero h1 { font-size: 3rem; margin-bottom: 20px; }
.hero h1 span { color: #4cc9f0; }
.hero p { font-size: 1.2rem; color: #aaa; margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero .btn { padding: 15px 40px; font-size: 1.1rem; border-radius: 50px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s;
  font-size: 0.95rem;
}
.btn-primary { background: var(--cyan); color: var(--btn-text); }
.btn-primary:hover { background: var(--cyan-hover); transform: translateY(-2px); }
.btn-secondary { background: transparent; color: var(--cyan); border: 2px solid var(--cyan); }
.btn-secondary:hover { background: var(--cyan); color: var(--btn-text); }
.btn-danger { background: #e74c3c; color: #fff; }
.btn-danger:hover { background: #c0392b; }
.btn-small { padding: 6px 15px; font-size: 0.85rem; }
.btn-success { background: #2ecc71; color: #fff; }
.btn-success:hover { background: #27ae60; }
.btn-warning { background: #f39c12; color: #fff; }
.btn-warning:hover { background: #e67e22; }

/* Cards */
.card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 2px 15px rgba(0,0,0,0.08);
  margin-bottom: 20px;
  border: 1px solid var(--card-border);
}
.card h3 { margin-bottom: 15px; color: var(--navy); }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; color: #555; font-size: 0.9rem; }
.form-group input, .form-group select {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  transition: border 0.3s;
  outline: none;
}
.form-group input:focus { border-color: var(--cyan); }

/* Auth forms */
.auth-container {
  max-width: 450px;
  margin: 80px auto;
  background: #fff;
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.auth-container h2 { text-align: center; margin-bottom: 30px; color: var(--navy); }
.auth-container .btn { width: 100%; }
.auth-container .auth-link { text-align: center; margin-top: 20px; color: #666; }
.auth-container .auth-link a { color: var(--cyan); text-decoration: none; }
.auth-container .auth-link a:hover { text-decoration: underline; }

/* Alert */
.alert {
  padding: 12px 18px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-weight: 500;
}
.alert-error { background: #fde8e8; color: #c0392b; border: 1px solid #f5c6cb; }

/* Dashboard */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 30px 0 20px;
}
.dashboard-header h1 { font-size: 1.8rem; color: var(--page-header-color); }

.vehicle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.vehicle-card {
  background: #fff;
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 2px 15px rgba(0,0,0,0.08);
  transition: transform 0.3s;
}
.vehicle-card:hover { transform: translateY(-5px); }
.vehicle-card h3 { color: var(--navy); margin-bottom: 10px; }
.vehicle-card .plate { color: var(--cyan); font-weight: 700; font-size: 1.1rem; }
.vehicle-card .detail { color: var(--detail-color); font-size: 0.9rem; margin: 4px 0; }
.vehicle-card .actions { margin-top: 15px; display: flex; gap: 10px; flex-wrap: wrap; }

h3.section-title, h4.section-title { color: #000; }

/* NFC Public View */
.nfc-public .info-list { display: flex; flex-direction: column; gap: 3px; }
.nfc-public .info-row { display: flex; gap: 12px; padding: 3px 0; }
.nfc-public .info-row label { flex: 0 0 100px; font-size: 0.85rem; color: var(--detail-color); font-weight: 500; }
.nfc-public .info-row span { flex: 1; font-size: 0.9rem; font-weight: 600; color: var(--detail-value-color); }

/* Vehicle detail */
.vehicle-detail .header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.vehicle-detail .header h1 { font-size: 1.8rem; }
.vehicle-detail .info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; margin-bottom: 30px; }
.vehicle-detail .info-item { background: var(--detail-bg); padding: 15px; border-radius: 8px; }
.vehicle-detail .info-item label { display: block; font-size: 0.8rem; color: var(--detail-color); text-transform: uppercase; font-weight: 600; }
.vehicle-detail .info-item span { font-size: 1.1rem; font-weight: 600; color: var(--detail-value-color); }

/* Documents */
.doc-list .doc-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  background: var(--detail-bg);
  border-radius: 8px;
  margin-bottom: 10px;
  transition: background 0.3s;
}
.doc-list .doc-item:hover { background: #eef2f7; }
.doc-item .doc-info { display: flex; align-items: center; gap: 15px; }
.doc-item .doc-icon { font-size: 1.5rem; }
.doc-item .doc-name { font-weight: 600; }
.doc-item .doc-date { color: var(--detail-color); font-size: 0.85rem; }
.doc-item .doc-type { 
  display: inline-block; 
  padding: 2px 10px; 
  border-radius: 50px; 
  font-size: 0.75rem; 
  font-weight: 600;
  background: #e0f0f8;
  color: var(--cyan);
}

/* Upload form */
.upload-area {
  border: 2px dashed #ccc;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  margin-bottom: 20px;
}
.upload-area:hover { border-color: var(--cyan); background: #f0f8fe; }
.upload-area p { color: #888; margin-top: 10px; }

/* NFC Links */
.nfc-link-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  background: #f8f9fa;
  border-radius: 8px;
  margin-bottom: 10px;
}
.nfc-link-item .nfc-url { 
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--cyan);
  word-break: break-all;
  flex: 1;
  margin-right: 15px;
}
.nfc-link-item .nfc-status {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-right: 10px;
}
.nfc-status.active { background: #d4edda; color: #155724; }
.nfc-status.inactive { background: #f8d7da; color: #721c24; }
.nfc-pin-badge { 
  background: #fff3cd; 
  color: #856404; 
  padding: 2px 10px; 
  border-radius: 50px; 
  font-size: 0.75rem;
  margin-right: 10px;
}

/* NFC public view */
.nfc-public {
  max-width: 800px;
  margin: 40px auto;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 30px rgba(0,0,0,0.1);
  overflow: hidden;
}
.nfc-public .nfc-header {
  background: linear-gradient(135deg, var(--navy), var(--cyan));
  color: #fff;
  padding: 30px;
  text-align: center;
}
.nfc-public .nfc-header h1 { font-size: 1.5rem; }
.nfc-public .nfc-header .plate-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  padding: 8px 30px;
  border-radius: 50px;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-top: 10px;
}
.nfc-public .nfc-body { padding: 30px; }
.nfc-public .nfc-doc { 
  display: flex; 
  justify-content: space-between; 
  align-items: center;
  padding: 15px;
  border-bottom: 1px solid #eee;
}
.nfc-public .nfc-doc:last-child { border-bottom: none; }

/* Document status badges */
.doc-status-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}
.doc-status-valid { background: #d4edda; color: #155724; border-left: 4px solid var(--success, #2ecc71); }
.doc-status-warning { background: #fff3cd; color: #856404; border-left: 4px solid var(--warning, #f39c12); }
.doc-status-expired { background: #fde8e8; color: #c0392b; border-left: 4px solid var(--danger, #e74c3c); }
.doc-status-unknown { background: #e9ecef; color: #6c757d; }
/* End document status badges */

/* Empty state */
.empty-state { text-align: center; padding: 60px 20px; color: #888; }
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 15px; }

/* Features on landing */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; margin-top: 60px; }
.feature { text-align: center; padding: 30px; }
.feature .feature-icon { font-size: 2.5rem; margin-bottom: 15px; }
a { color: var(--link-color); }
.feature h3 { color: var(--heading-color); margin-bottom: 10px; }
.feature p { color: #888; font-size: 0.95rem; }

/* Pin page */
.pin-container { max-width: 400px; margin: 100px auto; }
.pin-container .card { text-align: center; padding: 40px; }
.pin-container h2 { margin-bottom: 20px; }
.pin-container .form-group input { text-align: center; font-size: 1.5rem; letter-spacing: 10px; }

html { position: relative; min-height: 100%; }

/* Admin tables */
.admin-table { width:100%; border-collapse: collapse; }
.admin-table thead th { padding: 12px 8px; border-bottom: 2px solid #eee; text-align: left; }
.admin-table tbody td { padding: 12px 8px; border-bottom: 1px solid #f0f0f0; }

/* Dropdown */
.dropdown { position: relative; display: inline-block; }
.dropdown > a { cursor: pointer; }
.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--navy);
  min-width: 180px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
  border-radius: 8px;
  z-index: 1001;
  padding: 6px 0;
}
.dropdown-content a {
  display: block;
  padding: 10px 20px;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 0.9rem;
  white-space: nowrap;
  font-weight: 500;
  transition: all 0.2s;
}
.dropdown-content a:hover { background: var(--cyan); color: var(--white); }
.dropdown:hover .dropdown-content { display: block; }

/* Responsive */
@media (max-width: 768px) {
  .navbar .container { flex-wrap: wrap; gap: 6px; }
  .navbar nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    width: 100%;
    justify-content: flex-end;
  }
  .navbar nav a, .navbar .user-name { margin-left: 0; font-size: 0.8rem; }
  .navbar .logo img { height: 60px !important; }

  .dashboard-header { flex-direction: column; gap: 10px; align-items: flex-start; }
  .dashboard-header h1 { font-size: 1.3rem; }

  .vehicle-grid { grid-template-columns: 1fr; }

  .vehicle-detail .header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .vehicle-detail .header h1 { font-size: 1.3rem; }
  .vehicle-detail .info-grid { grid-template-columns: 1fr 1fr; }

  .hero { padding: 60px 20px; min-height: 60vh; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }

  .auth-container { margin: 40px 20px; padding: 25px; }

  .admin-table { font-size: 0.8rem; }
  .admin-table thead th, .admin-table tbody td { padding: 8px 5px; }

  .nfc-public { margin: 15px; }
  .nfc-public .nfc-doc { flex-direction: column; align-items: flex-start; gap: 8px; }
  .nfc-public .nfc-header { padding: 20px; }
  .nfc-public .nfc-body { padding: 20px; }
  .nfc-public .nfc-body > div { grid-template-columns: 1fr !important; }
  .nfc-public img[alt="DocVeh"] { height: 120px !important; }
  .nfc-public .nfc-header h1 { font-size: 1.3rem !important; }
  .nfc-public .plate-badge { font-size: 1rem !important; padding: 6px 15px !important; }
  .nfc-public .info-row label { flex: 0 0 80px; font-size: 0.8rem; }

  .doc-list .doc-item { flex-direction: column; align-items: flex-start; gap: 8px; }
  .doc-item .doc-info { flex-wrap: wrap; }

  .nfc-link-item { flex-direction: column; align-items: flex-start; gap: 8px; }

  .features { grid-template-columns: 1fr; }

  .container { padding: 0 12px; }

  .pin-container { margin: 60px 20px; }

  .upload-area { padding: 20px; }

  .dropdown-content { right: 0; left: auto; }
}
@media (max-width: 480px) {
  .vehicle-detail .info-grid { grid-template-columns: 1fr; }
  .navbar nav a, .navbar .user-name { font-size: 0.7rem; }
  .dashboard-header h1 { font-size: 1.1rem; }
  .hero h1 { font-size: 1.5rem; }
  .vehicle-card { padding: 15px; }
  .card { padding: 15px; }
  .nfc-public img[alt="DocVeh"] { height: 80px !important; }
  .nfc-public .nfc-header h1 { font-size: 1.1rem !important; }
  .nfc-public .plate-badge { font-size: 0.85rem !important; padding: 4px 10px !important; }
  .nfc-public .info-row { flex-direction: column; gap: 2px; }
  .nfc-public .info-row label { flex: none; }
}
.navbar.admin-navbar { background: var(--admin-navbar-bg); }
.admin-stat { font-size: 2rem; }
.admin-stat-primary { color: var(--admin-primary); }
.admin-stat-green { color: #2ecc71; }
.admin-stat-orange { color: #f39c12; }
.admin-stat-red { color: #e74c3c; }
.admin-stat-yellow { color: #ffc107; }