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

:root {
  --nero: #232323;
  --sabbia: #D4C4A8;
  --offwhite: #FAFAF8;
  --bronze: #B8A080;
  --bronze-light: #C8B498;
  --nero-light: #2E2E2E;
  --nero-dark: #1A1A1A;
  --success: #4CAF50;
  --error: #E57373;
  --warning: #FFB74D;
  --info: #64B5F6;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--nero);
  color: var(--offwhite);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* === NAV === */
.fleet-nav {
  background: var(--nero-dark);
  border-bottom: 1px solid rgba(212, 196, 168, 0.08);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}
.nav-brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  text-decoration: none;
}
.nav-brand .logo {
  font-family: 'Cinzel', serif;
  font-size: 22px;
  font-weight: 500;
  color: var(--sabbia);
  letter-spacing: 6px;
}
.nav-brand .badge {
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--nero);
  background: var(--sabbia);
  padding: 3px 8px;
  border-radius: 4px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--bronze);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all 0.2s;
}
.nav-links a:hover { color: var(--sabbia); background: rgba(212, 196, 168, 0.06); }
.nav-links a.active { color: var(--sabbia); background: rgba(212, 196, 168, 0.1); }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-user {
  font-size: 13px;
  color: var(--bronze-light);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-primary { background: var(--sabbia); color: var(--nero); }
.btn-primary:hover { background: var(--bronze-light); }
.btn-ghost { background: transparent; color: var(--bronze); border: 1px solid rgba(212, 196, 168, 0.2); }
.btn-ghost:hover { border-color: var(--sabbia); color: var(--sabbia); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #43A047; }
.btn-danger { background: var(--error); color: #fff; }
.btn-danger:hover { background: #EF5350; }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* === LAYOUT === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
}

/* === LOGIN === */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--nero-dark) 0%, var(--nero) 100%);
}
.login-card {
  background: var(--nero-light);
  border: 1px solid rgba(212, 196, 168, 0.1);
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}
.login-logo {
  font-family: 'Cinzel', serif;
  font-size: 36px;
  font-weight: 400;
  color: var(--sabbia);
  letter-spacing: 10px;
  margin-bottom: 4px;
}
.login-subtitle {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 40px;
}

/* === FORMS === */
.form-group {
  margin-bottom: 16px;
  text-align: left;
}
.form-group label {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--sabbia);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--nero-dark);
  border: 1px solid rgba(212, 196, 168, 0.1);
  border-radius: 10px;
  color: var(--offwhite);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border-color 0.3s;
}
.form-group input:focus,
.form-group select:focus { border-color: var(--sabbia); }
.form-group input::placeholder { color: rgba(200, 180, 152, 0.4); }
.form-error {
  color: var(--error);
  font-size: 13px;
  margin-top: 8px;
  display: none;
}
.form-error.visible { display: block; }

/* === STAT CARDS === */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.stat-card {
  background: var(--nero-light);
  border: 1px solid rgba(212, 196, 168, 0.08);
  border-radius: 12px;
  padding: 24px;
}
.stat-card .value {
  font-family: 'Cinzel', serif;
  font-size: 32px;
  font-weight: 400;
  color: var(--sabbia);
  margin-bottom: 4px;
}
.stat-card .label {
  font-size: 12px;
  color: var(--bronze);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* === TABLE === */
.table-wrapper {
  background: var(--nero-light);
  border: 1px solid rgba(212, 196, 168, 0.08);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 32px;
}
.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(212, 196, 168, 0.06);
}
.table-header h3 {
  font-family: 'Cinzel', serif;
  font-size: 18px;
  font-weight: 400;
  color: var(--offwhite);
}
.filter-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.filter-select {
  padding: 8px 16px;
  background: var(--nero-dark);
  border: 1px solid rgba(212, 196, 168, 0.1);
  border-radius: 8px;
  color: var(--offwhite);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  outline: none;
  cursor: pointer;
}
.filter-select option { background: var(--nero-dark); }

table { width: 100%; border-collapse: collapse; }
thead th {
  text-align: left;
  padding: 12px 16px;
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bronze);
  border-bottom: 1px solid rgba(212, 196, 168, 0.06);
}
tbody tr {
  border-bottom: 1px solid rgba(212, 196, 168, 0.04);
  transition: background 0.2s;
}
tbody tr:hover { background: rgba(212, 196, 168, 0.03); }
tbody td {
  padding: 14px 16px;
  font-size: 14px;
  color: var(--offwhite);
  vertical-align: middle;
}

/* === BADGES === */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge-pending { background: rgba(255, 183, 77, 0.15); color: var(--warning); }
.badge-success { background: rgba(76, 175, 80, 0.15); color: var(--success); }
.badge-error { background: rgba(229, 115, 115, 0.15); color: var(--error); }
.badge-info { background: rgba(100, 181, 246, 0.15); color: var(--info); }
.badge-online { background: rgba(76, 175, 80, 0.15); color: var(--success); }
.badge-offline { background: rgba(150, 150, 150, 0.15); color: #999; }

/* === MODAL === */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.visible { display: flex; }
.modal {
  background: var(--nero-light);
  border: 1px solid rgba(212, 196, 168, 0.1);
  border-radius: 16px;
  padding: 32px;
  max-width: 500px;
  width: 90%;
}
.modal h3 {
  font-family: 'Cinzel', serif;
  font-size: 20px;
  color: var(--offwhite);
  margin-bottom: 16px;
}
.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* === TOAST === */
.toast {
  position: fixed;
  top: 80px;
  right: 32px;
  padding: 14px 24px;
  border-radius: 10px;
  font-size: 14px;
  z-index: 2000;
  opacity: 0;
  transform: translateX(100px);
  transition: all 0.3s;
}
.toast.visible { opacity: 1; transform: translateX(0); }
.toast.success { background: var(--success); color: #fff; }
.toast.error { background: var(--error); color: #fff; }

/* === LOADING === */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  color: var(--bronze);
}
.spinner {
  width: 32px;
  height: 32px;
  border: 2px solid rgba(212, 196, 168, 0.1);
  border-top-color: var(--sabbia);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* === EMPTY STATE === */
.empty-state {
  text-align: center;
  padding: 48px;
  color: var(--bronze);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; opacity: 0.5; }
.empty-state p { font-size: 14px; }

/* === MAP === */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: 12px;
  border: 1px solid rgba(212, 196, 168, 0.08);
  overflow: hidden;
  margin-bottom: 32px;
}

/* === CERTIFICATE === */
.cert-card {
  background: var(--nero-light);
  border: 1px solid rgba(212, 196, 168, 0.08);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}
.cert-card .cert-status {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.cert-card .cert-icon {
  width: 48px;
  height: 48px;
  background: rgba(212, 196, 168, 0.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.cert-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 16px;
}
.cert-info-item .label {
  font-size: 11px;
  color: var(--bronze);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.cert-info-item .value {
  font-size: 14px;
  color: var(--offwhite);
}

/* === SECTION TITLE === */
.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--sabbia);
  margin-bottom: 16px;
  margin-top: 32px;
}

/* === INFO GRID === */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}
.info-item {
  background: var(--nero-light);
  border: 1px solid rgba(212, 196, 168, 0.06);
  border-radius: 10px;
  padding: 16px;
}
.info-item .label {
  font-size: 11px;
  color: var(--bronze);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.info-item .value {
  font-size: 15px;
  color: var(--offwhite);
}

/* === WARNING BOX === */
.warning-box {
  background: rgba(255, 183, 77, 0.08);
  border: 1px solid rgba(255, 183, 77, 0.2);
  border-radius: 10px;
  padding: 16px 20px;
  font-size: 13px;
  color: var(--warning);
  margin-bottom: 24px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.warning-box .icon { font-size: 20px; flex-shrink: 0; }

/* === PULSE DOT === */
.pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  margin-right: 6px;
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(76, 175, 80, 0); }
}

/* === PAGINATION === */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
}
.pagination button {
  padding: 8px 14px;
  background: transparent;
  border: 1px solid rgba(212, 196, 168, 0.1);
  border-radius: 6px;
  color: var(--bronze);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.pagination button:hover { border-color: var(--sabbia); color: var(--sabbia); }
.pagination button.active { background: var(--sabbia); color: var(--nero); border-color: var(--sabbia); }
.pagination button:disabled { opacity: 0.3; cursor: not-allowed; }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .container { padding: 16px; }
  .fleet-nav { padding: 12px 16px; flex-wrap: wrap; gap: 12px; }
  .nav-links { order: 3; width: 100%; overflow-x: auto; }
  .nav-links a { font-size: 10px; padding: 6px 10px; white-space: nowrap; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  table { font-size: 13px; }
  thead th, tbody td { padding: 10px 12px; }
  .map-container { height: 280px; }
}