/* ============================================================
   Vínculo Industrial Ags — CSS Principal
   Archivo: assets/css/main.css
   ============================================================
   Paleta:
     Azul oscuro  #0B1F3A  (color-primario)
     Azul medio   #1D4ED8  (color-secundario)
     Verde éxito  #16A34A
     Amarillo     #F59E0B
     Rojo         #DC2626
     Gris claro   #F3F4F6
     Blanco       #FFFFFF
     Dorado       #C9A227  (color-acento)
   ============================================================ */

/* ── Variables CSS ──────────────────────────────────────────── */
:root {
    --color-primario:   #0B1F3A;
    --color-secundario: #1D4ED8;
    --color-exito:      #16A34A;
    --color-alerta:     #F59E0B;
    --color-peligro:    #DC2626;
    --color-acento:     #C9A227;
    --color-gris-claro: #F3F4F6;
    --color-gris-medio: #E5E7EB;
    --color-texto:      #1F2937;
    --color-texto-muted:#6B7280;
    --color-blanco:     #FFFFFF;

    /* Layout */
    --sidebar-width:    260px;
    --sidebar-mini:     70px;
    --topbar-height:    64px;
    --border-radius:    10px;
    --border-radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -2px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.10), 0 4px 6px -4px rgba(0,0,0,.06);

    /* Transiciones */
    --transition: .2s ease;
    --transition-slow: .35s ease;

    /* Fuentes */
    --font-base: 'Inter', system-ui, -apple-system, sans-serif;
    --font-title: 'Poppins', 'Inter', sans-serif;
}

/* ── Reset / Base ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-base);
    color: var(--color-texto);
    background-color: var(--color-gris-claro);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-secundario); transition: color var(--transition); }
a:hover { color: var(--color-primario); }

img { max-width: 100%; height: auto; }

.text-acento { color: var(--color-acento); }
.bg-primario  { background-color: var(--color-primario); }

/* ── Bootstrap Overrides ─────────────────────────────────────── */
.btn-primary {
    background-color: var(--color-secundario);
    border-color: var(--color-secundario);
    font-weight: 500;
    border-radius: 8px;
    padding: .5rem 1.25rem;
    transition: all var(--transition);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: #1a44c9;
    border-color: #1a44c9;
    box-shadow: 0 4px 12px rgba(29,78,216,.35);
    transform: translateY(-1px);
}
.btn-outline-primary {
    color: var(--color-secundario);
    border-color: var(--color-secundario);
    font-weight: 500;
    border-radius: 8px;
}
.btn-outline-primary:hover {
    background-color: var(--color-secundario);
    border-color: var(--color-secundario);
}

.btn-xs {
    font-size: .72rem;
    padding: .2rem .55rem;
    border-radius: 5px;
}

.form-control, .form-select {
    border-radius: 8px;
    border-color: var(--color-gris-medio);
    font-size: .92rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus, .form-select:focus {
    border-color: var(--color-secundario);
    box-shadow: 0 0 0 3px rgba(29,78,216,.15);
}
.form-label { font-weight: 500; font-size: .88rem; color: var(--color-texto); }

.badge { font-weight: 500; font-size: .72rem; border-radius: 6px; }

/* ── Footer ─────────────────────────────────────────────────── */
.footer-app {
    background: var(--color-blanco);
    border-top: 1px solid var(--color-gris-medio);
    font-size: .82rem;
}

/* ============================================================
   PÁGINA DE LOGIN
   ============================================================ */
.login-page {
    background: var(--color-gris-claro);
    min-height: 100vh;
    display: flex;
    align-items: stretch;
}

.login-wrapper {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

/* Panel izquierdo – branding */
.login-brand {
    flex: 0 0 45%;
    background: linear-gradient(145deg, var(--color-primario) 0%, #14387e 60%, #0e2d6a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.login-brand::before {
    content: '';
    position: absolute;
    top: -80px; right: -80px;
    width: 320px; height: 320px;
    background: rgba(201,162,39,.10);
    border-radius: 50%;
}
.login-brand::after {
    content: '';
    position: absolute;
    bottom: -100px; left: -60px;
    width: 260px; height: 260px;
    background: rgba(29,78,216,.15);
    border-radius: 50%;
}

.login-brand-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-blanco);
    max-width: 420px;
}

.login-logo-icon {
    width: 80px; height: 80px;
    border-radius: 20px;
    background: rgba(255,255,255,.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--color-acento);
    margin: 0 auto;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.2);
}

.login-logo-icon-sm {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: var(--color-primario);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-acento);
}

.login-brand-title {
    font-family: var(--font-title);
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-blanco);
    margin-top: 1.5rem;
}

.login-brand-tagline {
    color: rgba(255,255,255,.75);
    font-size: .95rem;
    line-height: 1.65;
    margin-top: .75rem;
}

.login-features {
    text-align: left;
    display: grid;
    gap: .8rem;
}

.login-feature-item {
    display: flex;
    align-items: center;
    gap: .8rem;
    color: rgba(255,255,255,.85);
    font-size: .9rem;
}
.login-feature-item i {
    font-size: 1.1rem;
    color: var(--color-acento);
    flex-shrink: 0;
}

/* Panel derecho – formulario */
.login-form-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-blanco);
    padding: 2rem;
}

.login-form-container {
    width: 100%;
    max-width: 430px;
}

.login-form-title {
    font-family: var(--font-title);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primario);
    margin-bottom: .3rem;
}
.login-form-subtitle {
    color: var(--color-texto-muted);
    font-size: .9rem;
    margin-bottom: 2rem;
}

.login-divider {
    text-align: center;
    position: relative;
    margin: 1.5rem 0;
    color: var(--color-texto-muted);
    font-size: .85rem;
}
.login-divider::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    width: 100%; height: 1px;
    background: var(--color-gris-medio);
}
.login-divider span {
    background: var(--color-blanco);
    padding: 0 .8rem;
    position: relative;
    z-index: 1;
}

.login-security-notice {
    text-align: center;
    font-size: .78rem;
    color: var(--color-texto-muted);
    padding: .6rem .75rem;
    background: var(--color-gris-claro);
    border-radius: 8px;
}

/* ============================================================
   LAYOUT APP (SIDEBAR + TOPBAR + CONTENIDO)
   ============================================================ */
.app-layout {
    background: var(--color-gris-claro);
}

.app-container {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-primario);
    color: var(--color-blanco);
    flex-shrink: 0;
    height: 100vh;
    position: sticky;
    top: 0;
    overflow: hidden;
    transition: transform var(--transition-slow);
    z-index: 1050;
    box-shadow: 4px 0 12px rgba(0,0,0,.15);
}

.sidebar-brand-name {
    font-family: var(--font-title);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-blanco);
    line-height: 1.1;
}
.sidebar-brand-sub {
    font-size: .7rem;
    color: var(--color-acento);
    text-transform: uppercase;
    letter-spacing: .06em;
    font-weight: 600;
}

.sidebar-logo-icon {
    width: 38px; height: 38px;
    background: rgba(201,162,39,.18);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    color: var(--color-acento);
    flex-shrink: 0;
}

.sidebar-divider {
    border-color: rgba(255,255,255,.1);
    opacity: 1;
}

/* Usuario en sidebar */
.sidebar-user { }
.user-avatar {
    width: 38px; height: 38px;
    background: rgba(201,162,39,.25);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .95rem;
    color: var(--color-acento);
    flex-shrink: 0;
}
.sidebar-user-name {
    font-weight: 600; font-size: .85rem;
    color: var(--color-blanco);
}
.sidebar-user-rol {
    font-size: .72rem;
    color: rgba(255,255,255,.6);
}

/* Títulos de sección */
.sidebar-section-title {
    font-size: .66rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(255,255,255,.35);
    padding: 0 .75rem;
    margin-bottom: .25rem;
}

/* Links del sidebar */
.sidebar-link {
    color: rgba(255,255,255,.7) !important;
    border-radius: 8px;
    padding: .55rem .75rem;
    display: flex;
    align-items: center;
    gap: .65rem;
    font-size: .88rem;
    font-weight: 500;
    transition: all var(--transition);
    margin-bottom: 2px;
    position: relative;
}
.sidebar-link i {
    font-size: 1rem;
    flex-shrink: 0;
    width: 18px;
    text-align: center;
}
.sidebar-link:hover {
    color: var(--color-blanco) !important;
    background: rgba(255,255,255,.1);
}
.sidebar-link.active {
    color: var(--color-blanco) !important;
    background: var(--color-secundario);
    box-shadow: 0 4px 10px rgba(29,78,216,.4);
}

.sidebar-footer {
    border-top: 1px solid rgba(255,255,255,.08);
}

.btn-ghost-sidebar {
    color: rgba(255,255,255,.7);
    border: none;
    background: none;
}
.btn-ghost-sidebar:hover { color: var(--color-blanco); }

/* Overlay mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 1040;
    backdrop-filter: blur(2px);
}

/* ── Contenido principal ─────────────────────────────────────── */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0; /* fix flexbox overflow */
    /* overflow visible para que los menús del topbar (campana, perfil) no se recorten.
       El recorte horizontal se maneja en .page-content. */
    overflow: visible;
}

/* ── Topbar ──────────────────────────────────────────────────── */
.topbar {
    height: var(--topbar-height);
    background: var(--color-blanco);
    border-bottom: 1px solid var(--color-gris-medio);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1020;
    box-shadow: var(--shadow-sm);
}

.topbar-title {
    font-family: var(--font-title);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primario);
}

.btn-ghost-topbar {
    color: var(--color-texto-muted);
    background: none;
    border: none;
    border-radius: 8px;
    padding: .4rem .55rem;
    transition: all var(--transition);
    position: relative;
}

/* Posición de los menús del topbar (campana/perfil) sin depender de Popper.
   Caen debajo del botón, alineados a la derecha, por encima del contenido. */
.topbar .dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    left: auto;
    margin-top: .35rem;
    z-index: 1080;
}
.btn-ghost-topbar:hover {
    color: var(--color-primario);
    background: var(--color-gris-claro);
}

/* Badge notificaciones */
.badge-notif {
    position: absolute;
    top: 2px; right: 2px;
    background: var(--color-peligro);
    color: #fff;
    font-size: .6rem;
    font-weight: 700;
    min-width: 16px; height: 16px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    padding: 0 3px;
    border: 2px solid #fff;
}

/* Avatar pequeño topbar */
.user-avatar-sm {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: var(--color-primario);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .8rem;
    color: var(--color-acento);
}

/* ── Área de contenido ───────────────────────────────────────── */
.page-content {
    padding: 1.75rem;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden; /* contiene tablas/contenido ancho sin recortar el topbar */
}

/* ============================================================
   TARJETAS KPI
   ============================================================ */
.kpi-card {
    background: var(--color-blanco);
    border-radius: var(--border-radius-lg);
    padding: 1.4rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.1rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}
.kpi-card::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 80px; height: 80px;
    border-radius: 0 var(--border-radius-lg) 0 80px;
    opacity: .08;
}
.kpi-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.kpi-icon {
    width: 54px; height: 54px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.kpi-blue .kpi-icon  { background: rgba(29,78,216,.12); color: var(--color-secundario); }
.kpi-gold .kpi-icon  { background: rgba(201,162,39,.15); color: var(--color-acento); }
.kpi-green .kpi-icon { background: rgba(22,163,74,.12); color: var(--color-exito); }
.kpi-purple .kpi-icon { background: rgba(124,58,237,.12); color: #7C3AED; }

.kpi-blue::before  { background: var(--color-secundario); }
.kpi-gold::before  { background: var(--color-acento); }
.kpi-green::before { background: var(--color-exito); }
.kpi-purple::before { background: #7C3AED; }

.kpi-value {
    font-size: 1.85rem;
    font-weight: 700;
    line-height: 1;
    color: var(--color-primario);
    font-family: var(--font-title);
}
.kpi-label {
    font-size: .82rem;
    font-weight: 600;
    color: var(--color-texto-muted);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-top: .1rem;
}
.kpi-sub {
    font-size: .78rem;
    color: var(--color-texto-muted);
    margin-top: .25rem;
}

/* Link invisible que cubre la card */
.kpi-link {
    position: absolute;
    inset: 0;
    z-index: 1;
}

/* ── Mini KPIs ───────────────────────────────────────────────── */
.mini-kpi {
    background: var(--color-blanco);
    border-radius: var(--border-radius);
    padding: .9rem 1rem;
    display: flex;
    align-items: center;
    gap: .85rem;
    box-shadow: var(--shadow-sm);
}
.mini-kpi-icon { font-size: 1.4rem; flex-shrink: 0; }
.mini-kpi-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primario);
    line-height: 1;
    font-family: var(--font-title);
}
.mini-kpi-label {
    font-size: .75rem;
    color: var(--color-texto-muted);
    font-weight: 500;
}

/* ============================================================
   TABLAS
   ============================================================ */
.table {
    font-size: .875rem;
    color: var(--color-texto);
}
.table thead th {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-texto-muted);
    border-bottom: 2px solid var(--color-gris-medio);
    background-color: #FAFAFA;
    padding: .65rem 1rem;
    white-space: nowrap;
}
.table tbody td {
    padding: .65rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--color-gris-claro);
}
.table-hover tbody tr:hover {
    background-color: rgba(29,78,216,.04);
}

/* ── Gráficas vacías ─────────────────────────────────────────── */
.empty-chart-msg {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 160px;
    color: var(--color-texto-muted);
}
.empty-chart-msg i {
    font-size: 2.5rem;
    opacity: .3;
    margin-bottom: .5rem;
}
.empty-chart-msg p {
    font-size: .85rem;
    margin: 0;
}

/* ── Timeline de actividad ───────────────────────────────────── */
.timeline-list {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    max-height: 320px;
    overflow-y: auto;
}
.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
}
.timeline-marker {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--color-secundario);
    margin-top: .35rem;
    flex-shrink: 0;
}
.timeline-content {
    font-size: .85rem;
    line-height: 1.45;
    border-bottom: 1px dashed var(--color-gris-medio);
    padding-bottom: .5rem;
    flex: 1;
}

/* ── Badges especiales ───────────────────────────────────────── */
.badge-confidencialidad { letter-spacing: .02em; font-size: .72rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 991.98px) {
    .sidebar {
        position: fixed;
        left: 0; top: 0;
        transform: translateX(-100%);
        height: 100%;
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .sidebar-overlay.open {
        display: block;
    }
    .page-content {
        padding: 1.25rem;
    }
    .topbar {
        padding: 0 1rem;
    }
    .kpi-value { font-size: 1.6rem; }
}

/* Mobile */
@media (max-width: 575.98px) {
    .login-form-panel {
        padding: 1.5rem 1rem;
    }
    .kpi-card {
        padding: 1rem;
        gap: .8rem;
    }
    .kpi-icon {
        width: 44px; height: 44px;
        font-size: 1.2rem;
    }
    .kpi-value { font-size: 1.4rem; }
    .page-content { padding: 1rem; }
    .topbar { height: 56px; }
}

/* ── Scrollbar personalizado ─────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-gris-claro); }
::-webkit-scrollbar-thumb {
    background: var(--color-gris-medio);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: #9CA3AF; }

/* ── Sidebar scroll ──────────────────────────────────────────── */
.sidebar .nav { overflow-y: auto; }
.sidebar .nav::-webkit-scrollbar { width: 3px; }
.sidebar .nav::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,.15);
    border-radius: 3px;
}

/* ── Utilidades ──────────────────────────────────────────────── */
.fw-semibold { font-weight: 600; }
.lh-tight    { line-height: 1.3; }

/* Animación de entrada para cards */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}
.kpi-card, .card {
    animation: fadeInUp .35s ease both;
}
.kpi-card:nth-child(1) { animation-delay: .05s; }
.kpi-card:nth-child(2) { animation-delay: .10s; }
.kpi-card:nth-child(3) { animation-delay: .15s; }
.kpi-card:nth-child(4) { animation-delay: .20s; }