/*
 * assets/css/app.css
 * Backbone — Tema Light
 * Misma estructura, paleta clara con acento azul.
 */

/* ─── GOOGLE FONTS ───────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

/* ─── VARIABLES ─────────────────────────────────────────────────────────────── */
:root {
    /* Paleta light */
    --color-fondo-base:        #f1f4f9;
    --color-fondo-panel:       #ffffff;
    --color-fondo-sidebar:     #ffffff;
    --color-fondo-card:        #ffffff;
    --color-fondo-input:       #f8fafc;
    --color-fondo-hover:       #f0f4ff;

    --color-borde:             #e2e8f0;
    --color-borde-fuerte:      #cbd5e1;

    --color-acento:            #3d6cff;
    --color-acento-hover:      #2952e3;
    --color-acento-suave:      rgba(61, 108, 255, 0.08);

    --color-exito:             #16a34a;
    --color-exito-suave:       rgba(22, 163, 74, 0.09);
    --color-alerta:            #d97706;
    --color-alerta-suave:      rgba(217, 119, 6, 0.09);
    --color-peligro:           #dc2626;
    --color-peligro-suave:     rgba(220, 38, 38, 0.09);
    --color-info:              #0891b2;

    /* Texto */
    --texto-primario:          #0f172a;
    --texto-secundario:        #475569;
    --texto-tenue:             #94a3b8;
    --texto-acento:            #3d6cff;

    /* Tipografía */
    --fuente-base:             'DM Sans', sans-serif;
    --fuente-mono:             'DM Mono', monospace;

    /* Layout */
    --ancho-sidebar:           240px;
    --alto-navbar:             56px;
    --radio-card:              10px;
    --radio-btn:               6px;
    --radio-input:             6px;

    /* Sombras */
    --sombra-card:             0 1px 4px rgba(15, 23, 42, 0.07), 0 1px 2px rgba(15, 23, 42, 0.05);
    --sombra-dropdown:         0 8px 32px rgba(15, 23, 42, 0.12);
}

/* ─── RESET Y BASE ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html, body {
    height: 100%;
    font-family: var(--fuente-base);
    font-size: 14px;
    background-color: var(--color-fondo-base);
    color: var(--texto-primario);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--color-acento); text-decoration: none; }
a:hover { color: var(--color-acento-hover); text-decoration: underline; }

/* ─── NAVBAR ─────────────────────────────────────────────────────────────────── */
.bb-navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--alto-navbar);
    z-index: 1040;
    background: var(--color-fondo-sidebar);
    border-bottom: 1px solid var(--color-borde);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.25rem;
    box-shadow: 0 1px 3px rgba(15,23,42,.06);
}

.bb-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--texto-primario) !important;
}

.bb-brand-icon {
    width: 30px; height: 30px;
    border-radius: 6px;
    background: var(--color-acento);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    display: flex; align-items: center; justify-content: center;
    letter-spacing: -0.5px;
}

.bb-brand-text {
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.02em;
    color: var(--texto-primario);
}

.bb-avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--color-acento-suave);
    border: 1px solid var(--color-acento);
    color: var(--color-acento);
    font-size: 12px;
    font-weight: 600;
    display: flex; align-items: center; justify-content: center;
}

.bb-username {
    font-size: 13px;
    color: var(--texto-secundario);
    font-weight: 500;
}

.bb-btn-logout {
    background: transparent;
    border: 1px solid var(--color-borde);
    color: var(--texto-secundario);
    padding: 4px 8px;
    border-radius: var(--radio-btn);
    transition: all 0.15s;
}
.bb-btn-logout:hover {
    background: var(--color-peligro-suave);
    border-color: var(--color-peligro);
    color: var(--color-peligro);
}

/* ─── LAYOUT ─────────────────────────────────────────────────────────────────── */
.bb-layout {
    display: flex;
    padding-top: var(--alto-navbar);
    min-height: 100vh;
}

/* ─── SIDEBAR ────────────────────────────────────────────────────────────────── */
.bb-sidebar {
    width: var(--ancho-sidebar);
    min-height: calc(100vh - var(--alto-navbar));
    background: var(--color-fondo-sidebar);
    border-right: 1px solid var(--color-borde);
    position: fixed;
    top: var(--alto-navbar);
    left: 0;
    bottom: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    z-index: 1030;
    transition: transform 0.25s ease;
}

.bb-sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.bb-nav-section-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--texto-tenue);
    padding: 0.75rem 0.5rem 0.25rem;
    margin-top: 0.25rem;
}

.bb-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 10px;
    border-radius: 6px;
    color: var(--texto-secundario);
    font-size: 13.5px;
    font-weight: 500;
    transition: all 0.15s;
    text-decoration: none;
}

.bb-nav-item i {
    font-size: 15px;
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}

.bb-nav-item:hover {
    background: var(--color-fondo-hover);
    color: var(--color-acento);
    text-decoration: none;
}

.bb-nav-item.active {
    background: var(--color-acento-suave);
    color: var(--color-acento);
    border-left: 2px solid var(--color-acento);
    padding-left: 8px;
    font-weight: 600;
}

.bb-sidebar-footer {
    padding: 0.75rem 1rem;
    font-size: 11px;
    color: var(--texto-tenue);
    border-top: 1px solid var(--color-borde);
    font-family: var(--fuente-mono);
}

/* ─── CONTENIDO PRINCIPAL ────────────────────────────────────────────────────── */
.bb-content {
    margin-left: var(--ancho-sidebar);
    flex: 1;
    padding: 2rem;
    min-width: 0;
}

/* ─── PAGE HEADER ────────────────────────────────────────────────────────────── */
.bb-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.75rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.bb-page-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--texto-primario);
    margin: 0;
    line-height: 1.2;
}

.bb-page-subtitle {
    font-size: 13px;
    color: var(--texto-secundario);
    margin: 4px 0 0;
}

/* ─── CARDS ──────────────────────────────────────────────────────────────────── */
.bb-card {
    background: var(--color-fondo-card);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio-card);
    box-shadow: var(--sombra-card);
}

.bb-card-hover:hover {
    border-color: var(--color-acento);
    box-shadow: 0 4px 16px rgba(61, 108, 255, 0.10);
    transition: all 0.15s;
}

.bb-card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-borde);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    background: #fafbfd;
    border-radius: var(--radio-card) var(--radio-card) 0 0;
}

.bb-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--texto-primario);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.bb-card-body { padding: 1.25rem; }
.bb-card-footer {
    padding: 0.875rem 1.25rem;
    border-top: 1px solid var(--color-borde);
    background: #fafbfd;
    border-radius: 0 0 var(--radio-card) var(--radio-card);;
}

/* ─── FORMULARIOS ────────────────────────────────────────────────────────────── */
.form-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--texto-secundario);
    margin-bottom: 5px;
    text-transform: uppercase;
}

.form-control, .form-select {
    background: var(--color-fondo-input) !important;
    border: 1px solid var(--color-borde) !important;
    border-radius: var(--radio-input) !important;
    color: var(--texto-primario) !important;
    font-size: 13.5px;
    padding: 7px 11px;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--color-acento) !important;
    box-shadow: 0 0 0 3px var(--color-acento-suave) !important;
    outline: none;
    background: #fff !important;
}

.form-control::placeholder { color: var(--texto-tenue); }
.form-select option { background: #fff; color: var(--texto-primario); }

.form-control.is-valid   { border-color: var(--color-exito)   !important; }
.form-control.is-invalid { border-color: var(--color-peligro) !important; }
.invalid-feedback { color: var(--color-peligro); font-size: 11.5px; margin-top: 4px; }
.valid-feedback   { color: var(--color-exito);   font-size: 11.5px; margin-top: 4px; }

/* ─── BOTONES ────────────────────────────────────────────────────────────────── */
.btn {
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radio-btn);
    padding: 7px 14px;
    transition: all 0.15s;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--color-acento) !important;
    border-color: var(--color-acento) !important;
    color: #fff !important;
}
.btn-primary:hover {
    background: var(--color-acento-hover) !important;
    border-color: var(--color-acento-hover) !important;
}

.btn-outline-primary {
    background: transparent !important;
    border-color: var(--color-acento) !important;
    color: var(--color-acento) !important;
}
.btn-outline-primary:hover {
    background: var(--color-acento-suave) !important;
}

.btn-outline-secondary {
    background: transparent !important;
    border-color: var(--color-borde-fuerte) !important;
    color: var(--texto-secundario) !important;
}
.btn-outline-secondary:hover {
    background: var(--color-fondo-hover) !important;
    color: var(--color-acento) !important;
    border-color: var(--color-acento) !important;
}

.btn-danger {
    background: var(--color-peligro) !important;
    border-color: var(--color-peligro) !important;
    color: #fff !important;
}
.btn-outline-danger {
    background: transparent !important;
    border-color: var(--color-peligro) !important;
    color: var(--color-peligro) !important;
}
.btn-outline-danger:hover {
    background: var(--color-peligro-suave) !important;
}

.btn-success {
    background: var(--color-exito) !important;
    border-color: var(--color-exito) !important;
    color: #fff !important;
    font-weight: 600;
}

/* ─── TABLAS ─────────────────────────────────────────────────────────────────── */
.bb-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

.bb-table thead th {
    padding: 10px 12px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--texto-tenue);
    border-bottom: 2px solid var(--color-borde);
    background: #fafbfd;
    white-space: nowrap;
}

.bb-table tbody tr {
    border-bottom: 1px solid var(--color-borde);
    transition: background 0.1s;
}

.bb-table tbody tr:last-child { border-bottom: none; }
.bb-table tbody tr:hover { background: var(--color-fondo-hover); }

.bb-table tbody td {
    padding: 10px 12px;
    color: var(--texto-primario);
    vertical-align: middle;
}

/* ─── BADGES ─────────────────────────────────────────────────────────────────── */
.bb-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.bb-badge-blue   { background: rgba(61,108,255,.10);  color: #2952e3; }
.bb-badge-green  { background: rgba(22,163,74,.10);   color: #15803d; }
.bb-badge-yellow { background: rgba(217,119,6,.10);   color: #b45309; }
.bb-badge-red    { background: rgba(220,38,38,.10);   color: #b91c1c; }
.bb-badge-gray   { background: rgba(100,116,139,.10); color: #475569; }

/* ─── TOAST ──────────────────────────────────────────────────────────────────── */
#bb-toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.bb-toast {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 500;
    max-width: 360px;
    border-left: 3px solid;
    animation: bbToastIn 0.3s ease;
    box-shadow: var(--sombra-dropdown);
}

.bb-toast-success { background: #f0fdf4; border-color: var(--color-exito);  color: #15803d; }
.bb-toast-error   { background: #fef2f2; border-color: var(--color-peligro); color: #b91c1c; }
.bb-toast-info    { background: #f0f9ff; border-color: var(--color-info);    color: #0369a1; }

@keyframes bbToastIn {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ─── MODALES ────────────────────────────────────────────────────────────────── */
.modal-content {
    background: var(--color-fondo-panel) !important;
    border: 1px solid var(--color-borde) !important;
    border-radius: 12px !important;
    color: var(--texto-primario) !important;
    box-shadow: var(--sombra-dropdown) !important;
}

.modal-header {
    border-bottom: 1px solid var(--color-borde) !important;
    padding: 1rem 1.25rem;
    background: #fafbfd;
    border-radius: 12px 12px 0 0 !important;
}

.modal-footer {
    border-top: 1px solid var(--color-borde) !important;
    padding: 0.875rem 1.25rem;
    background: #fafbfd;
    border-radius: 0 0 12px 12px !important;
}

.modal-title { font-size: 15px; font-weight: 600; }
.btn-close { opacity: 0.5; }
.btn-close:hover { opacity: 1; }
.modal-backdrop { background: #0f172a !important; }

/* ─── PAGINACIÓN ─────────────────────────────────────────────────────────────── */
.bb-pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.bb-pagination a, .bb-pagination span {
    display: flex; align-items: center; justify-content: center;
    width: 32px; height: 32px;
    border-radius: 6px;
    font-size: 12.5px;
    font-weight: 500;
    border: 1px solid var(--color-borde);
    color: var(--texto-secundario);
    text-decoration: none;
    transition: all 0.15s;
    background: #fff;
}

.bb-pagination a:hover {
    background: var(--color-fondo-hover);
    color: var(--color-acento);
    border-color: var(--color-acento);
    text-decoration: none;
}

.bb-pagination .bb-page-activa {
    background: var(--color-acento-suave);
    border-color: var(--color-acento);
    color: var(--color-acento);
    font-weight: 700;
}

/* ─── MISC ────────────────────────────────────────────────────────────────────── */
.bb-divider {
    border: none;
    border-top: 1px solid var(--color-borde);
    margin: 1.25rem 0;
}

.bb-code {
    font-family: var(--fuente-mono);
    font-size: 12px;
    background: #f1f5f9;
    border: 1px solid var(--color-borde);
    border-radius: 4px;
    padding: 2px 6px;
    color: var(--color-info);
}

.bb-spinner-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.75);
    display: flex; align-items: center; justify-content: center;
    border-radius: inherit;
    z-index: 10;
}

/* ─── OFFCANVAS ──────────────────────────────────────────────────────────────── */
.offcanvas {
    background: var(--color-fondo-panel) !important;
    color: var(--texto-primario) !important;
    border-left: 1px solid var(--color-borde) !important;
}
.offcanvas-header {
    border-bottom: 1px solid var(--color-borde);
    background: #fafbfd;
}

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
    .bb-sidebar {
        transform: translateX(calc(-1 * var(--ancho-sidebar)));
    }
    .bb-sidebar--open {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(15,23,42,0.15);
    }
    .bb-content {
        margin-left: 0;
        padding: 1.25rem;
    }
}

@media (max-width: 575.98px) {
    .bb-content { padding: 1rem; }
    .bb-page-title { font-size: 18px; }
}