:root {
    --bg-color: #0c1a2a;
    --panel-color: #12263a;
    --accent-color: #3fb4ff;
    --accent-muted: rgba(63, 180, 255, 0.15);
    --text-color: #f8f9fb;
    --text-muted: #9bb3c8;
    --danger-color: #ff6b6b;
    --success-color: #4dd787;
    --warning-color: #f3c969;
    --info-color: #5ec5ff;
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    --radius: 14px;
    --transition: all 0.25s ease;
    font-family: 'Segoe UI', Tahoma, sans-serif;
    color-scheme: dark;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: linear-gradient(135deg, #08111c 0%, #142842 42%, #050b13 100%);
    color: var(--text-color);
    min-height: 100vh;
}

a {
    color: var(--accent-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: rgba(10, 18, 30, 0.92);
    border-right: 1px solid var(--border-color);
    backdrop-filter: blur(14px);
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar .brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: radial-gradient(circle at 30% 30%, #3fb4ff 0%, #1c89d5 45%, rgba(63, 180, 255, 0.4) 100%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    letter-spacing: 1px;
}

.brand-title {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 1.2px;
}

.nav-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nav-section h4 {
    margin: 0;
    font-size: 13px;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 1.5px;
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav-links a {
    display: block;
    padding: 11px 14px;
    border-radius: 10px;
    color: var(--text-muted);
    transition: var(--transition);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.nav-links a.active,
.nav-links a:hover {
    color: var(--text-color);
    background: var(--accent-muted);
    box-shadow: inset 0 0 0 1px rgba(63, 180, 255, 0.35);
}

.content {
    padding: 32px 42px;
}

.content--admin {
    padding-left: 0;
    padding-right: 0;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.content-header h1 {
    font-size: 28px;
    font-weight: 600;
    margin: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid transparent;
    padding: 9px 16px;
    border-radius: 999px;
    background: var(--accent-color);
    color: #05121e;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn:hover {
    background: #5ec5ff;
}

.btn-outline {
    background: transparent;
    color: var(--text-muted);
    border-color: var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent-color);
    color: var(--text-color);
}

.grid {
    display: grid;
    gap: 20px;
}

.grid-cols-2 {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
    background: rgba(12, 25, 40, 0.9);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 20px 24px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(63, 180, 255, 0.1), transparent 45%);
    pointer-events: none;
}

.metric-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 6px;
    letter-spacing: 0.4px;
}

.metric-value {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 0.8px;
}

.metric-subtext {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

table {
    width: 100%;
    border-collapse: collapse;
    color: var(--text-color);
}

table thead {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

table th,
table td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

table tbody tr:hover {
    background: rgba(63, 180, 255, 0.05);
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.status-available {
    background: rgba(77, 215, 135, 0.16);
    color: var(--success-color);
}

.status-maintenance {
    background: rgba(255, 107, 107, 0.16);
    color: var(--danger-color);
}

.status-active {
    background: rgba(63, 180, 255, 0.16);
    color: var(--accent-color);
}

.status-diverted {
    background: rgba(243, 201, 105, 0.16);
    color: var(--warning-color);
}

.status-finished {
    background: rgba(128, 255, 219, 0.16);
    color: #8df7d6;
}

.status-reserved {
    background: rgba(98, 121, 214, 0.16);
    color: #5b7aff;
}

.incidents-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.incident-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.incident-type {
    font-weight: 600;
    letter-spacing: 0.6px;
}

.incident-meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    gap: 18px;
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    background: radial-gradient(circle at 25% 25%, rgba(63, 180, 255, 0.25) 0%, transparent 55%),
                radial-gradient(circle at 85% 15%, rgba(243, 201, 105, 0.18) 0%, transparent 45%),
                linear-gradient(135deg, #03070d 0%, #08111c 100%);
}

.auth-grid {
    width: min(1080px, 100%);
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    align-items: stretch;
    justify-content: center;
}

.login-card {
    flex: 1 1 320px;
    width: auto;
    padding: 36px;
    border-radius: var(--radius);
    background: rgba(9, 17, 27, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.65);
}

.auth-card-primary {
    max-width: 420px;
}

.login-card h1 {
    margin-top: 0;
    font-size: 28px;
    margin-bottom: 18px;
    letter-spacing: 1px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 18px;
}

.form-group label {
    font-size: 14px;
    color: var(--text-muted);
}

.form-group input {
    background: rgba(17, 28, 42, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 12px 14px;
    color: var(--text-color);
    font-size: 15px;
    transition: border var(--transition), box-shadow var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: rgba(63, 180, 255, 0.6);
    box-shadow: 0 0 0 2px rgba(63, 180, 255, 0.25);
}

.form-group select,
.form-group textarea {
    background: rgba(17, 28, 42, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 12px 14px;
    color: var(--text-color);
    font-size: 15px;
    transition: border var(--transition), box-shadow var(--transition);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(63, 180, 255, 0.6);
    box-shadow: 0 0 0 2px rgba(63, 180, 255, 0.25);
}

.form-error {
    color: var(--danger-color);
    font-size: 13px;
    margin-bottom: 16px;
}

.form-success {
    color: #46d98b;
    font-size: 13px;
    margin-bottom: 16px;
    line-height: 1.5;
}

.login-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    border-radius: 10px;
    background: rgba(17, 34, 51, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--text-color);
    font-weight: 600;
    text-decoration: none;
    transition: background var(--transition), border var(--transition), color var(--transition);
}

.btn-secondary:hover {
    background: rgba(63, 180, 255, 0.18);
    border-color: rgba(63, 180, 255, 0.4);
    color: #61c2ff;
}

.auth-card-secondary {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 360px;
}

.auth-card-secondary h2 {
    margin: 0;
    font-size: 24px;
    letter-spacing: 0.6px;
}

.card-subtext {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
}

.card-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.78);
}

.card-list li::before {
    content: "•";
    margin-right: 8px;
    color: #5b7aff;
}

.auth-card-secondary .btn-secondary {
    margin-top: auto;
}

@media (max-width: 960px) {
    .auth-grid {
        flex-direction: column;
        align-items: center;
    }
}

.form-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}

.flash-card {
    background: rgba(63, 180, 255, 0.12);
    border: 1px solid rgba(63, 180, 255, 0.35);
    border-radius: var(--radius);
    padding: 14px 18px;
    margin-bottom: 24px;
    color: var(--text-color);
    font-size: 14px;
    line-height: 1.6;
}

.logout-link {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
}

.logout-link:hover {
    color: var(--danger-color);
}

.admin-section + .admin-section {
    margin-top: 24px;
}

.admin-alert {
    background: rgba(63, 180, 255, 0.12);
    border: 1px solid rgba(63, 180, 255, 0.35);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 16px;
    color: var(--text-color);
    font-size: 14px;
}

.admin-form-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: center;
}

.admin-form-inline input,
.admin-form-inline select,
.admin-form-grid input {
    background: rgba(17, 34, 51, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 8px 12px;
    color: var(--text-color);
    font-size: 14px;
    min-width: 130px;
}

.admin-form-inline input:focus,
.admin-form-inline select:focus,
.admin-form-grid input:focus {
    outline: none;
    border-color: rgba(63, 180, 255, 0.6);
    box-shadow: 0 0 0 2px rgba(63, 180, 255, 0.2);
}

.btn-compact {
    padding: 7px 16px;
    font-size: 13px;
    border-radius: 999px;
    background: var(--accent-color);
    color: #05121e;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.btn-compact:hover {
    background: #5ec5ff;
}

.admin-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    justify-items: center;
}

.admin-flight-create {
    align-items: stretch;
    background: rgba(12, 25, 40, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 18px;
}

.admin-flight-create input,
.admin-flight-create select {
    width: 100%;
}

.service-days {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px;
    background: rgba(5, 12, 22, 0.8);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.service-days-label {
    font-size: 13px;
    letter-spacing: 0.6px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-right: 8px;
    align-self: center;
}

.service-day-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 999px;
    padding: 6px 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
}

.service-day-chip span {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: var(--transition);
}

.service-day-chip:hover span {
    background: rgba(63, 180, 255, 0.2);
    color: var(--text-color);
}

.service-day-chip input {
    display: none;
}

.service-day-chip input:checked + span {
    background: var(--success-color);
    color: #05121e;
}

.admin-table-note {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 8px;
}

.admin-tabs {
    margin-top: 16px;
}

.admin-tab-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.admin-tab-button {
    padding: 9px 18px;
    border-radius: 999px;
    border: 1px solid rgba(63, 180, 255, 0.35);
    background: rgba(17, 34, 51, 0.8);
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
    opacity: 0.7;
}

.admin-tab-button:hover {
    opacity: 1;
}

.admin-tab-button.active {
    opacity: 1;
    background: var(--accent-color);
    color: #05121e;
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 12px rgba(63, 180, 255, 0.45);
    font-weight: 600;
    border-bottom: 2px solid #4a90e2;
}

.admin-tab-panels {
    position: relative;
}

.admin-tab-panel {
    display: block;
    text-align: center;
}

.admin-tab-panel.active {
    opacity: 1;
}

.admin-tab-panel h3 {
    text-align: center;
    margin-bottom: 18px;
}

.admin-section table {
    width: 100%;
    margin: 0 auto;
}

.admin-section {
    width: 100%;
    margin: 0;
    background: rgba(12, 25, 40, 0.7);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-bottom: 18px;
}

.admin-form-inline,
.admin-form-grid {
    justify-content: center;
}

.widget-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.widget {
    background: rgba(12, 25, 40, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
}

.widget-label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.widget-value {
    font-size: 26px;
    font-weight: 700;
}

.widget-success {
    background: linear-gradient(135deg, rgba(77, 215, 135, 0.25), rgba(12, 25, 40, 0.6));
    border-color: rgba(77, 215, 135, 0.4);
}

.widget-warning {
    background: linear-gradient(135deg, rgba(243, 201, 105, 0.25), rgba(12, 25, 40, 0.6));
    border-color: rgba(243, 201, 105, 0.4);
}

.widget-danger {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.25), rgba(12, 25, 40, 0.6));
    border-color: rgba(255, 107, 107, 0.45);
}

.widget-info {
    background: linear-gradient(135deg, rgba(94, 197, 255, 0.25), rgba(12, 25, 40, 0.6));
    border-color: rgba(94, 197, 255, 0.45);
}

.widget-neutral {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(12, 25, 40, 0.6));
    border-color: rgba(255, 255, 255, 0.08);
}

.widget-alert {
    background: linear-gradient(135deg, rgba(255, 159, 64, 0.25), rgba(12, 25, 40, 0.6));
    border-color: rgba(255, 159, 64, 0.4);
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.badge-success {
    background: rgba(77, 215, 135, 0.18);
    color: var(--success-color);
}

.badge-warning {
    background: rgba(243, 201, 105, 0.18);
    color: var(--warning-color);
}

.badge-danger {
    background: rgba(255, 107, 107, 0.18);
    color: var(--danger-color);
}

.badge-info {
    background: rgba(94, 197, 255, 0.18);
    color: var(--info-color);
}

.badge-neutral {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
}

.empty-state {
    color: var(--text-muted);
    font-style: italic;
    margin: 20px 0;
}

.card-subtext {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 18px;
}

.inline-form {
    display: inline-flex;
    gap: 10px;
    align-items: center;
}

.maintenance-dashboard {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.maintenance-card {
    background: rgba(12, 25, 40, 0.9);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 22px 26px;
    box-shadow: var(--shadow);
}

.maintenance-guidelines {
    list-style: none;
    padding: 0;
    margin: 18px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.maintenance-guidelines li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-muted);
}

.token-block {
    display: block;
    margin: 20px auto;
    padding: 18px;
    background: rgba(5, 12, 22, 0.85);
    border-radius: 12px;
    border: 1px solid rgba(63, 180, 255, 0.35);
    word-break: break-all;
}

.btn-primary {
    background: var(--accent-color);
    color: #05121e;
}

.btn-success {
    background: var(--success-color);
    color: #05121e;
}

.btn-warning {
    background: var(--warning-color);
    color: #05121e;
}

.btn-danger {
    background: var(--danger-color);
    color: #05121e;
}

.btn-primary:hover {
    background: #5ec5ff;
}

.btn-success:hover {
    background: #69f2a3;
}

.btn-warning:hover {
    background: #ffd580;
}

.btn-danger:hover {
    background: #ff8787;
}

.va-table {
    width: 100%;
    border-collapse: collapse;
}

.va-table th,
.va-table td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.va-table tbody tr:hover {
    background: rgba(63, 180, 255, 0.05);
}

.route-toplist {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.route-toplist li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.route-icao {
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 0.6px;
}

.route-count {
    font-size: 12px;
}

.occ-incident-list {
    list-style: none;
    margin: 16px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.occ-incident-list li {
    padding: 12px 14px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.occ-incident-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.occ-incident-body {
    font-size: 14px;
    color: var(--text-color);
    margin-bottom: 4px;
}

.occ-incident-footer {
    font-size: 12px;
    color: var(--text-muted);
}

.occ-incident-time {
    font-size: 12px;
    color: var(--text-muted);
}

.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 18px;
    font-size: 14px;
}

.alert-success {
    background: rgba(77, 215, 135, 0.15);
    color: var(--success-color);
}

.alert-warning {
    background: rgba(243, 201, 105, 0.18);
    color: var(--warning-color);
}

.route-reserve-form input[type="datetime-local"] {
    background: rgba(17, 34, 51, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 8px 12px;
    color: var(--text-color);
    font-size: 14px;
}

.route-reserve-form select {
    background: rgba(17, 34, 51, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 8px 12px;
    color: var(--text-color);
    font-size: 14px;
}

.route-reserve-form button {
    margin-left: 8px;
}

.admin-route-form {
    grid-column: 1 / -1;
    background: rgba(12, 25, 40, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.admin-route-form select[multiple] {
    width: 100%;
    min-height: 120px;
}

.admin-route-form textarea {
    width: 100%;
    min-height: 90px;
    background: rgba(17, 34, 51, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px 12px;
    color: var(--text-color);
    font-size: 14px;
    resize: vertical;
}

.admin-route-form textarea:focus {
    outline: none;
    border-color: rgba(63, 180, 255, 0.6);
    box-shadow: 0 0 0 2px rgba(63, 180, 255, 0.2);
}

.form-label {
    justify-self: start;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted);
    align-self: end;
}

.route-line {
    font-weight: 600;
    letter-spacing: 0.5px;
}

.route-meta {
    margin-top: 4px;
    font-size: 13px;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.routes-reserve-table td {
    vertical-align: top;
}

.routes-reserve-table .route-reserve-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 8px;
    align-items: center;
}

.routes-reserve-table select,
.routes-reserve-table input[type="datetime-local"] {
    width: 100%;
}

@media (max-width: 1024px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        flex-direction: row;
        overflow-x: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 16px;
    }

    .nav-section h4 {
        display: none;
    }
}