/* ============================================================
   CHARTERIX — Estilos globales
   Ruta: /public/assets/css/charterix.css
   ============================================================ */

/* --- Variables de diseño --- */
:root {
    --bg:           #0b1120;
    --bg2:          #111827;
    --bg3:          #1a2436;
    --surface:      #1e2d42;
    --surface2:     #243347;
    --border:       rgba(255,255,255,0.07);
    --border2:      rgba(255,255,255,0.12);
    --accent:       #3b9eff;
    --accent-dim:   rgba(59,158,255,0.12);
    --accent-hover: #5fb0ff;
    --text:         #e8edf5;
    --text-muted:   #7a8fa8;
    --text-dim:     #4a5e73;
    --success:      #22c77a;
    --success-bg:   rgba(34,199,122,0.1);
    --warning:      #f5a623;
    --warning-bg:   rgba(245,166,35,0.1);
    --danger:       #e85555;
    --danger-bg:    rgba(232,85,85,0.1);
    --info:         #3b9eff;
    --info-bg:      rgba(59,158,255,0.1);
    --sidebar-w:    230px;
    --topbar-h:     56px;
    --radius:       10px;
    --radius-sm:    6px;
    --radius-lg:    14px;
    --font:         'DM Sans', 'Segoe UI', sans-serif;
    --font-mono:    'JetBrains Mono', 'Courier New', monospace;
    --shadow:       0 2px 12px rgba(0,0,0,0.35);
    --shadow-lg:    0 8px 32px rgba(0,0,0,0.45);
    --transition:   0.18s ease;
}

/* --- Reset y base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; display: block; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }

/* --- Layout principal --- */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
    width: var(--sidebar-w);
    background: var(--bg2);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform var(--transition);
    overflow-y: auto;
}
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 20px;
    height: var(--topbar-h);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.brand-name {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text);
}
.sidebar-nav {
    flex: 1;
    padding: 1.2rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.nav-section-label {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
    padding: 0.3rem 0.6rem 0.5rem;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 450;
    transition: background var(--transition), color var(--transition);
    position: relative;
}
.nav-item:hover {
    background: var(--surface);
    color: var(--text);
}
.nav-item.active {
    background: var(--accent-dim);
    color: var(--accent);
    font-weight: 500;
}
.nav-item.active svg {
    stroke: var(--accent);
}
.sidebar-footer {
    padding: 0.75rem 1.2rem;
    border-top: 1px solid var(--border);
}
.sidebar-version {
    font-size: 0.72rem;
    color: var(--text-dim);
}

/* ============================================================
   TOPBAR
   ============================================================ */
.topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-w);
    right: 0;
    height: var(--topbar-h);
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 90;
    gap: 1rem;
}
.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.topbar-title {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-muted);
}
.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.sidebar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 6px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}
.sidebar-toggle span {
    display: block;
    width: 18px;
    height: 1.5px;
    background: var(--text-muted);
    border-radius: 2px;
    transition: var(--transition);
}
.sidebar-toggle:hover span { background: var(--text); }

/* Selector de idioma */
.lang-switcher {
    display: flex;
    gap: 4px;
    background: var(--bg3);
    border-radius: var(--radius-sm);
    padding: 3px;
}
.lang-btn {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--text-dim);
    padding: 3px 8px;
    border-radius: 4px;
    transition: background var(--transition), color var(--transition);
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active {
    background: var(--accent);
    color: #fff;
}

/* Menú de usuario */
.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
    position: relative;
}
.user-menu:hover { background: var(--surface); }
.user-avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--accent-dim);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid rgba(59,158,255,0.3);
    flex-shrink: 0;
}
.user-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text);
}
.chevron {
    color: var(--text-muted);
    transition: transform var(--transition);
}
.user-menu.open .chevron { transform: rotate(180deg); }
.user-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 200px;
    background: var(--bg3);
    border: 1px solid var(--border2);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    z-index: 200;
}
.user-dropdown.show { display: block; }
.user-dropdown-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.user-dropdown-header strong {
    font-size: 0.85rem;
    color: var(--text);
}
.user-dropdown-header span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: capitalize;
}
.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.6rem 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: background var(--transition), color var(--transition);
}
.user-dropdown-item:hover { background: var(--surface); color: var(--text); }
.user-dropdown-item.danger:hover { background: var(--danger-bg); color: var(--danger); }

/* ============================================================
   CONTENIDO PRINCIPAL
   ============================================================ */
.main-content {
    margin-left: var(--sidebar-w);
    margin-top: var(--topbar-h);
    flex: 1;
    padding: 1.75rem 2rem;
    min-height: calc(100vh - var(--topbar-h));
}

/* ============================================================
   COMPONENTES REUTILIZABLES
   ============================================================ */

/* --- Tarjetas de métrica --- */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.75rem;
}
.metric-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.4rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    transition: border-color var(--transition), transform var(--transition);
    position: relative;
    overflow: hidden;
}
.metric-card:hover {
    border-color: var(--border2);
    transform: translateY(-1px);
}
.metric-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--card-accent, var(--accent));
    opacity: 0.6;
}
.metric-card.success { --card-accent: var(--success); }
.metric-card.warning { --card-accent: var(--warning); }
.metric-card.danger  { --card-accent: var(--danger);  }
.metric-icon {
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    background: var(--card-bg, var(--accent-dim));
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.metric-card.success .metric-icon { background: var(--success-bg); }
.metric-card.warning .metric-icon { background: var(--warning-bg); }
.metric-card.danger  .metric-icon { background: var(--danger-bg);  }
.metric-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.metric-value {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
    line-height: 1;
}
.metric-sub {
    font-size: 0.75rem;
    color: var(--text-dim);
}
.metric-badge {
    font-size: 0.7rem;
    padding: 2px 7px;
    border-radius: 20px;
    font-weight: 600;
    width: fit-content;
}
.metric-badge.up   { background: var(--success-bg); color: var(--success); }
.metric-badge.down { background: var(--danger-bg);  color: var(--danger);  }

/* --- Tablas --- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 1.5rem;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.4rem;
    border-bottom: 1px solid var(--border);
}
.card-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
}
.card-body {
    padding: 1.25rem 1.4rem;
}
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
thead th {
    padding: 0.6rem 1rem;
    text-align: left;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(255,255,255,0.02); }
td strong { color: var(--text); font-weight: 500; }

/* --- Badges de estado --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 20px;
    white-space: nowrap;
}
.badge::before {
    content: '';
    display: block;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}
.badge-success  { background: var(--success-bg); color: var(--success); }
.badge-warning  { background: var(--warning-bg); color: var(--warning); }
.badge-danger   { background: var(--danger-bg);  color: var(--danger);  }
.badge-info     { background: var(--info-bg);    color: var(--info);    }
.badge-muted    { background: rgba(255,255,255,0.05); color: var(--text-muted); }

/* --- Botones --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.45rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid transparent;
    white-space: nowrap;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border-color: var(--border2);
}
.btn-ghost:hover { background: var(--surface2); color: var(--text); }
.btn-sm { padding: 0.3rem 0.7rem; font-size: 0.78rem; }
.btn svg { flex-shrink: 0; }

/* --- Dashboard grids --- */
.dash-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}
.dash-grid.three { grid-template-columns: 2fr 1fr; }

/* --- Barra de progreso --- */
.progress-bar {
    height: 5px;
    background: var(--bg3);
    border-radius: 10px;
    overflow: hidden;
    margin-top: 0.4rem;
}
.progress-fill {
    height: 100%;
    border-radius: 10px;
    background: var(--bar-color, var(--accent));
    transition: width 0.6s ease;
}

/* --- Fleet status bars --- */
.fleet-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border);
}
.fleet-item:last-child { border-bottom: none; }
.fleet-name {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.fleet-bar-wrap { flex: 1.5; }
.fleet-pct {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: right;
    min-width: 42px;
}

/* --- Activity feed --- */
.activity-item {
    display: flex;
    gap: 12px;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    align-items: flex-start;
}
.activity-item:last-child { border-bottom: none; }
.activity-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--accent);
    margin-top: 6px;
    flex-shrink: 0;
}
.activity-dot.success { background: var(--success); }
.activity-dot.warning { background: var(--warning); }
.activity-dot.danger  { background: var(--danger);  }
.activity-text {
    font-size: 0.83rem;
    color: var(--text-muted);
    line-height: 1.5;
}
.activity-text strong { color: var(--text); font-weight: 500; }
.activity-time {
    font-size: 0.72rem;
    color: var(--text-dim);
    margin-left: auto;
    flex-shrink: 0;
}

/* --- Page header --- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}
.page-header h1 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
}
.page-header p {
    font-size: 0.83rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* --- Chart container --- */
.chart-container {
    position: relative;
    height: 200px;
    padding: 0.5rem 0;
}

/* ============================================================
   FORMULARIOS
   ============================================================ */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1rem;
}
label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
}
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
select, textarea {
    width: 100%;
    padding: 0.55rem 0.85rem;
    background: var(--bg3);
    border: 1px solid var(--border2);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: var(--font);
    font-size: 0.88rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}
input:focus, select:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59,158,255,0.12);
}
select { cursor: pointer; }
textarea { resize: vertical; min-height: 80px; }

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    padding: 2rem;
}
.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--bg2);
    border: 1px solid var(--border2);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}
.login-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 2rem;
}
.login-brand h1 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
}
.login-brand p {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.alert-error {
    background: var(--danger-bg);
    border: 1px solid rgba(232,85,85,0.25);
    border-radius: var(--radius-sm);
    color: var(--danger);
    font-size: 0.83rem;
    padding: 0.6rem 0.85rem;
    margin-bottom: 1.2rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .dash-grid, .dash-grid.three {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }
    .topbar {
        left: 0;
    }
    .main-content {
        margin-left: 0;
        padding: 1.25rem 1rem;
    }
    .sidebar-toggle {
        display: flex;
    }
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .user-name { display: none; }
}
@media (max-width: 480px) {
    .metrics-grid { grid-template-columns: 1fr; }
}

/* --- Overlay para sidebar en mobile --- */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
}
.sidebar-overlay.show { display: block; }

/* --- Animaciones sutiles de entrada --- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}
.metric-card { animation: fadeUp 0.3s ease both; }
.metric-card:nth-child(1) { animation-delay: 0.05s; }
.metric-card:nth-child(2) { animation-delay: 0.10s; }
.metric-card:nth-child(3) { animation-delay: 0.15s; }
.metric-card:nth-child(4) { animation-delay: 0.20s; }
.metric-card:nth-child(5) { animation-delay: 0.25s; }
.metric-card:nth-child(6) { animation-delay: 0.30s; }