/* ============================================================
   Sistema BI Equipajes - Estilos
   Tema: navy (#1a2b4c) + naranja (#e67e22)
   ============================================================ */

:root {
    --primary: #1a2b4c;
    --primary-light: #28406b;
    --primary-dark: #11203a;
    --accent: #e67e22;
    --accent-hover: #d35400;
    --gray-bg: #f4f6f9;
    --gray-100: #f0f2f5;
    --gray-300: #d8dde6;
    --gray-600: #6c757d;
    --sidebar-w: 250px;
    --topbar-h: 64px;
    --radius: 12px;
    --shadow: 0 2px 12px rgba(26, 43, 76, 0.08);
    --shadow-hover: 0 6px 20px rgba(26, 43, 76, 0.15);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--gray-bg);
    color: #2c3e50;
}

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

.sidebar {
    width: var(--sidebar-w);
    background: var(--primary);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 1030;
    transition: transform .25s ease;
}

.sidebar-brand {
    height: var(--topbar-h);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 22px;
    font-size: 1.2rem;
    font-weight: 700;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-brand i { color: var(--accent); font-size: 1.4rem; }

.sidebar-nav { flex: 1; padding: 16px 12px; overflow-y: auto; }
.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.78);
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 4px;
    text-decoration: none;
    font-size: .95rem;
    transition: all .18s;
}
.sidebar-nav .nav-link i { width: 20px; text-align: center; }
.sidebar-nav .nav-link:hover { background: var(--primary-light); color: #fff; }
.sidebar-nav .nav-link.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 10px rgba(230,126,34,0.35);
}

.sidebar-footer { padding: 16px 22px; border-top: 1px solid rgba(255,255,255,0.08); }
.badge-rol {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
    background: rgba(255,255,255,0.12);
}
.rol-admin { background: var(--accent); }
.rol-supervisor { background: #2980b9; }
.rol-operador { background: #16a085; }

.main-area {
    flex: 1;
    margin-left: var(--sidebar-w);
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* ===== Topbar ===== */
.topbar {
    height: var(--topbar-h);
    background: #fff;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 24px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1020;
}
.btn-toggle {
    border: none; background: none; font-size: 1.2rem; color: var(--primary);
    cursor: pointer; display: none;
}
.topbar-title { font-size: 1.15rem; font-weight: 600; margin: 0; color: var(--primary); }
.topbar-user { margin-left: auto; }
.btn-user {
    display: flex; align-items: center; gap: 10px;
    background: none; border: none; cursor: pointer; color: var(--primary);
    padding: 6px 10px; border-radius: 8px;
}
.btn-user:hover { background: var(--gray-100); }
.avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--accent); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
}
.user-name { font-weight: 500; }

/* ===== Contenido ===== */
.content { padding: 28px; flex: 1; }
.page-title { color: var(--primary); font-weight: 700; }
.app-footer {
    padding: 16px 28px; text-align: center;
    color: var(--gray-600); font-size: .85rem;
    border-top: 1px solid var(--gray-300);
}

/* ===== Cards ===== */
.shadow-card {
    border: none;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.card-header-custom {
    background: var(--primary);
    color: #fff;
    padding: 18px 24px;
    border-radius: var(--radius) var(--radius) 0 0;
    display: flex; justify-content: space-between; align-items: center;
}
.card-header-custom h2 { font-size: 1.15rem; margin: 0; }
.card-header-light {
    background: var(--gray-100);
    color: var(--primary);
    font-weight: 600;
    padding: 14px 20px;
    border-bottom: 2px solid var(--accent);
    border-radius: var(--radius) var(--radius) 0 0;
}

/* ===== KPI cards ===== */
.kpi-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 22px;
    display: flex; align-items: center; gap: 18px;
    box-shadow: var(--shadow);
    transition: transform .2s, box-shadow .2s;
    border-left: 5px solid var(--primary);
}
.kpi-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.kpi-icon {
    width: 56px; height: 56px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: #fff; flex-shrink: 0;
}
.kpi-info { display: flex; flex-direction: column; min-width: 0; }
.kpi-value { font-size: 1.7rem; font-weight: 700; color: var(--primary); line-height: 1.1; }
.kpi-label { font-size: .82rem; color: var(--gray-600); }

.kpi-primary { border-left-color: var(--primary); }
.kpi-primary .kpi-icon { background: var(--primary); }
.kpi-accent { border-left-color: var(--accent); }
.kpi-accent .kpi-icon { background: var(--accent); }
.kpi-info-c { border-left-color: #2980b9; }
.kpi-info .kpi-icon, .kpi-card.kpi-info .kpi-icon { background: #2980b9; }
.kpi-card.kpi-info { border-left-color: #2980b9; }
.kpi-success { border-left-color: #16a085; }
.kpi-success .kpi-icon { background: #16a085; }

/* ===== Tablas ===== */
.table-bi thead th {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .3px;
    border: none;
    white-space: nowrap;
}
.table-bi thead th[data-sort] { cursor: pointer; user-select: none; }
.table-bi thead th[data-sort] i { opacity: .5; font-size: .75rem; }
.table-bi tbody td { vertical-align: middle; font-size: .9rem; }
.table-bi tbody tr:hover { background: var(--gray-100); }

/* ===== Botones ===== */
.btn-accent {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    font-weight: 600;
}
.btn-accent:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }
.link-accent { color: var(--accent); text-decoration: none; font-size: .9rem; }
.link-accent:hover { color: var(--accent-hover); text-decoration: underline; }

/* ===== Autenticacion ===== */
.auth-body {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 20px;
}
.auth-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
    padding: 40px 36px;
    width: 100%; max-width: 420px;
}
.auth-header { text-align: center; margin-bottom: 28px; }
.auth-logo { font-size: 2.6rem; color: var(--accent); margin-bottom: 12px; }
.auth-header h1 { font-size: 1.4rem; color: var(--primary); font-weight: 700; margin: 0 0 6px; }
.auth-header p { color: var(--gray-600); font-size: .92rem; margin: 0; }
.auth-footer { text-align: center; margin-top: 22px; color: var(--gray-600); }
.input-group-text { background: var(--gray-100); border-color: var(--gray-300); color: var(--primary); }

.otp-input {
    text-align: center;
    font-size: 2rem;
    letter-spacing: 16px;
    font-weight: 700;
    padding: 12px;
}

/* ===== Medidor de fortaleza ===== */
.strength-meter {
    height: 6px;
    background: var(--gray-300);
    border-radius: 4px;
    overflow: hidden;
}
.strength-bar {
    height: 100%;
    width: 0;
    background: #dc3545;
    transition: width .3s, background .3s;
}

/* ===== Drag & drop ===== */
.drop-zone {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: all .2s;
    background: var(--gray-100);
}
.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--accent);
    background: #fff7f0;
}
.drop-icon { font-size: 3rem; color: var(--accent); margin-bottom: 12px; }
.drop-text { font-size: 1.05rem; font-weight: 600; color: var(--primary); margin: 0; }
.drop-subtext { font-size: .85rem; color: var(--gray-600); margin: 4px 0 0; }

.file-info {
    display: flex; align-items: center; gap: 12px;
    background: var(--gray-100);
    border-radius: 8px;
    padding: 12px 16px;
    margin-top: 16px;
}
.file-info i { color: var(--accent); font-size: 1.3rem; }

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: translateX(0); }
    .main-area { margin-left: 0; }
    .btn-toggle { display: inline-block; }
}