/*
 * Identidad visual: layout tipo panel SaaS (sidebar oscura + contenido claro),
 * tipografia Inter, paleta inspirada en Google/Microsoft con un acento dorado
 * discreto que conecta con la marca FRIMSA. Pensado para verse bien en
 * escritorio y en movil (sidebar colapsable en pantallas chicas).
 */
:root {
    --azul-google: #1a73e8;
    --azul-google-oscuro: #174ea6;
    --azul-microsoft: #0078d4;
    --verde: #1e8e3e;
    --rojo: #d93025;
    --amarillo: #f9ab00;
    --dorado: #c9973a;

    --gris-fondo: #f4f6f9;
    --gris-borde: #e3e7ed;
    --gris-texto: #2c333a;
    --gris-muted: #6b7280;

    --sidebar-bg: #12172a;
    --sidebar-bg-alt: #171e35;
    --sidebar-texto: #a7b0c3;
    --sidebar-texto-activo: #ffffff;
    --sidebar-borde: rgba(255, 255, 255, .07);

    --sombra-sm: 0 1px 2px rgba(17, 24, 39, .06), 0 1px 1px rgba(17, 24, 39, .04);
    --sombra-md: 0 4px 14px rgba(17, 24, 39, .07);

    --bs-primary: var(--azul-google);
    --bs-primary-rgb: 26, 115, 232;
    --bs-link-color: var(--azul-google);
    --bs-link-hover-color: var(--azul-google-oscuro);
    --bs-success: var(--verde);
    --bs-danger: var(--rojo);
    --bs-warning: var(--amarillo);
    --bs-body-bg: var(--gris-fondo);
    --bs-body-color: var(--gris-texto);
    --bs-body-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html, body {
    height: 100%;
}

body {
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -.01em;
}

a {
    color: var(--azul-google);
}

a:hover {
    color: var(--azul-google-oscuro);
}

/* ===================== Layout de aplicacion (sidebar + contenido) ===================== */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 264px;
    flex-shrink: 0;
    background: linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-bg-alt) 100%);
    color: var(--sidebar-texto);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1030;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1.4rem 1.25rem;
    border-bottom: 1px solid var(--sidebar-borde);
    margin-bottom: .75rem;
}

.sidebar-brand-icon {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    border-radius: .6rem;
    background: linear-gradient(135deg, var(--azul-google), var(--azul-google-oscuro));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    color: #fff;
    box-shadow: var(--sombra-sm);
}

.sidebar-brand-logo {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    object-fit: contain;
    border-radius: .4rem;
}

.sidebar-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
    min-width: 0;
}

.sidebar-brand-text strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-brand-text strong {
    color: #fff;
    font-size: .98rem;
    font-weight: 700;
}

.sidebar-brand-text small {
    color: var(--dorado);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .03em;
    text-transform: uppercase;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: .15rem;
    padding: 0 .75rem 1.25rem;
    flex: 1;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .6rem .75rem;
    border-radius: .5rem;
    color: var(--sidebar-texto);
    text-decoration: none;
    font-size: .89rem;
    font-weight: 500;
    transition: background-color .15s ease, color .15s ease;
}

.sidebar-link i {
    font-size: 1.05rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, .06);
    color: #fff;
}

.sidebar-link.activo {
    background: rgba(26, 115, 232, .22);
    color: #fff;
    box-shadow: inset 3px 0 0 var(--azul-google);
}

.app-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: .85rem 1.5rem;
    background: #fff;
    border-bottom: 1px solid var(--gris-borde);
    position: sticky;
    top: 0;
    z-index: 1020;
}

.topbar-toggle {
    display: none;
    border: 0;
    background: transparent;
    font-size: 1.4rem;
    color: var(--gris-texto);
    line-height: 1;
    padding: .25rem .4rem;
}

.topbar-spacer {
    flex: 1;
}

.topbar-theme-toggle {
    border: 1px solid var(--gris-borde);
    background: #fff;
    color: var(--gris-texto);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.topbar-theme-toggle:hover {
    background: var(--gris-fondo);
}

.topbar-user-avatar-img {
    background: #fff;
    padding: 0;
    overflow: hidden;
}

.topbar-user-avatar-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.topbar-user-btn {
    display: flex;
    align-items: center;
    gap: .6rem;
    border: 1px solid var(--gris-borde);
    background: #fff;
    border-radius: 2rem;
    padding: .3rem .8rem .3rem .3rem;
    font-size: .88rem;
    font-weight: 600;
    color: var(--gris-texto);
}

.topbar-user-btn:hover {
    background: var(--gris-fondo);
}

.topbar-user-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--azul-google), var(--azul-microsoft));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .85rem;
    flex-shrink: 0;
}

.page-content {
    padding: 1.75rem;
    flex: 1;
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 18, 30, .5);
    z-index: 1025;
}

.sidebar-backdrop.visible {
    display: block;
}

@media (max-width: 991.98px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
        transition: transform .2s ease;
        box-shadow: var(--sombra-md);
    }

    .sidebar.abierto {
        transform: translateX(0);
    }

    .topbar-toggle {
        display: inline-flex;
        align-items: center;
    }

    .page-content {
        padding: 1.1rem;
    }
}

/* ===================== Tarjetas ===================== */
.card {
    border: 1px solid var(--gris-borde);
    border-radius: .75rem;
    box-shadow: var(--sombra-sm);
}

.card .card-body h2.h5 {
    color: var(--gris-texto);
    font-weight: 700;
}

a.stretched-link {
    text-decoration: none;
}

.card:has(a.stretched-link) {
    transition: transform .15s ease, box-shadow .15s ease;
}

.card:has(a.stretched-link):hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-md);
    border-color: #d3dae6;
}

/* ===================== Botones ===================== */
.btn {
    font-weight: 600;
    border-radius: .55rem;
    letter-spacing: .003em;
}

.btn-primary {
    --bs-btn-bg: var(--azul-google);
    --bs-btn-border-color: var(--azul-google);
    --bs-btn-color: #fff;
    --bs-btn-hover-bg: var(--azul-google-oscuro);
    --bs-btn-hover-border-color: var(--azul-google-oscuro);
    --bs-btn-hover-color: #fff;
    --bs-btn-active-bg: var(--azul-google-oscuro);
    --bs-btn-active-border-color: var(--azul-google-oscuro);
    box-shadow: 0 1px 2px rgba(26, 115, 232, .25);
}

.btn-outline-primary {
    --bs-btn-color: var(--azul-google);
    --bs-btn-border-color: var(--azul-google);
    --bs-btn-hover-bg: var(--azul-google);
    --bs-btn-hover-border-color: var(--azul-google);
}

/* ===================== Formularios ===================== */
.form-control, .form-select {
    border-radius: .5rem;
    border-color: var(--gris-borde);
}

.form-control:focus, .form-select:focus {
    border-color: var(--azul-google);
    box-shadow: 0 0 0 .2rem rgba(26, 115, 232, .15);
}

.form-label {
    font-weight: 600;
    font-size: .86rem;
    color: var(--gris-texto);
}

/* ===================== Badges ===================== */
.badge {
    font-weight: 600;
    letter-spacing: .01em;
    border-radius: .4rem;
    padding: .38em .65em;
}

.badge.bg-info {
    background-color: var(--azul-microsoft) !important;
    color: #fff !important;
}

/* ===================== Barras de progreso ===================== */
.progress {
    background-color: var(--gris-borde);
    border-radius: .5rem;
    height: .6rem;
}

/* ===================== Tablas ===================== */
.table {
    --bs-table-bg: transparent;
}

.table thead th {
    background-color: var(--gris-fondo);
    color: var(--gris-muted);
    font-size: .74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    border-bottom: 1px solid var(--gris-borde);
    white-space: nowrap;
}

.table > :not(caption) > * > * {
    vertical-align: middle;
}

.table-hover > tbody > tr:hover > * {
    background-color: rgba(26, 115, 232, .05);
}

/* ===================== Pantalla de login ===================== */
body.pagina-login {
    background:
        radial-gradient(circle at 15% 0%, rgba(26, 115, 232, .12), transparent 55%),
        radial-gradient(circle at 100% 100%, rgba(201, 151, 58, .10), transparent 45%),
        var(--gris-fondo);
    display: flex;
    align-items: center;
}

body.pagina-login main.container {
    width: 100%;
}

body.pagina-login .card {
    box-shadow: var(--sombra-md);
    border-radius: 1rem;
    overflow: hidden;
}

body.pagina-login h1 {
    color: var(--gris-texto);
}

.login-brand-logo {
    display: block;
    max-width: 200px;
    max-height: 64px;
    margin: 0 auto .9rem;
    object-fit: contain;
}

.login-brand-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto .9rem;
    border-radius: .9rem;
    background: linear-gradient(135deg, var(--azul-google), var(--azul-google-oscuro));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    box-shadow: var(--sombra-md);
}

/* ===================== Responsivo general ===================== */
@media (max-width: 575.98px) {
    .card .card-body {
        padding: 1rem;
    }
}

/* ===================== Vista nocturna =====================
   Bootstrap 5.3 ya trae variantes oscuras para la mayoria de sus
   componentes (card, dropdown, form-control, table...) activadas por
   [data-bs-theme="dark"]; aqui solo se ajustan las variables propias del
   sitio y los elementos que no son de Bootstrap (topbar, login). */
[data-bs-theme="dark"] {
    --gris-fondo: #16181d;
    --gris-borde: #2c2f36;
    --gris-texto: #e7e9ec;
    --gris-muted: #9aa1ab;
}

[data-bs-theme="dark"] .topbar,
[data-bs-theme="dark"] .topbar-user-btn,
[data-bs-theme="dark"] .topbar-theme-toggle,
[data-bs-theme="dark"] .topbar-user-avatar-img {
    background: #1d2026;
    border-color: var(--gris-borde);
    color: var(--gris-texto);
}

[data-bs-theme="dark"] .topbar-user-btn:hover,
[data-bs-theme="dark"] .topbar-theme-toggle:hover {
    background: #262a32;
}

[data-bs-theme="dark"] .card:has(a.stretched-link):hover {
    border-color: #3a3f4a;
}

[data-bs-theme="dark"] body.pagina-login {
    background:
        radial-gradient(circle at 15% 0%, rgba(26, 115, 232, .16), transparent 55%),
        radial-gradient(circle at 100% 100%, rgba(201, 151, 58, .12), transparent 45%),
        var(--gris-fondo);
}

[data-bs-theme="dark"] body.pagina-login h1 {
    color: var(--gris-texto);
}

[data-bs-theme="dark"] .sidebar-backdrop {
    background: rgba(0, 0, 0, .65);
}