/*
 * admin.css — Estilos del panel administrativo
 * CMS AsesorOnline — Sprint 0
 *
 * Paleta:
 *   --color-primary    : Azul corporativo limpio
 *   --color-accent     : Naranjo AsesorOnline (acento puntual)
 *   --color-bg         : Fondo muy claro
 *   --color-surface    : Blanco (tarjetas, sidebar)
 *   --color-border     : Gris muy claro
 *   --color-text       : Texto oscuro
 *   --color-text-muted : Texto secundario gris
 *
 * DISEÑO: corporativo, moderno, luminoso, limpio.
 * NO oscuro, NO neón, NO estética hacker.
 */

/* ---------------------------------------------------------------
   RESET / BASE
--------------------------------------------------------------- */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Colores */
    --color-primary:       #2563EB;   /* Azul corporativo */
    --color-primary-dark:  #1D4ED8;
    --color-primary-light: #EFF6FF;
    --color-accent:        #F97316;   /* Naranjo AsesorOnline */
    --color-accent-light:  #FFF7ED;

    --color-bg:            #F8FAFC;   /* Fondo general muy claro */
    --color-surface:       #FFFFFF;   /* Superficies: tarjetas, sidebar */
    --color-surface-hover: #F1F5F9;

    --color-border:        #E2E8F0;
    --color-border-strong: #CBD5E1;

    --color-text:          #1E293B;   /* Texto principal oscuro */
    --color-text-muted:    #64748B;   /* Texto secundario */
    --color-text-light:    #94A3B8;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow:    0 1px 3px 0 rgba(0,0,0,0.10), 0 1px 2px -1px rgba(0,0,0,0.10);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.10), 0 2px 4px -2px rgba(0,0,0,0.10);

    /* Espaciado */
    --sidebar-width: 250px;
    --header-height: 60px;

    /* Tipografía */
    --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    /* Radios */
    --radius-sm: 4px;
    --radius:    8px;
    --radius-lg: 12px;

    /* Transiciones */
    --transition: 150ms ease;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* ---------------------------------------------------------------
   LAYOUT GENERAL
--------------------------------------------------------------- */

.cms-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ---------------------------------------------------------------
   SIDEBAR
--------------------------------------------------------------- */

.cms-sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition);
}

/* Marca en sidebar */
.cms-sidebar__brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--color-border);
    gap: 2px;
}

.cms-sidebar__brand-name {
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.cms-sidebar__brand-install {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* Navegación */
.cms-sidebar__nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 12px;
}

.cms-sidebar__nav-section {
    margin-bottom: 24px;
}

.cms-sidebar__nav-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    padding: 0 8px 8px;
    display: block;
}

.cms-sidebar__nav-list {
    list-style: none;
}

.cms-sidebar__nav-item a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color var(--transition), color var(--transition);
    text-decoration: none;
}

.cms-sidebar__nav-item a:hover,
.cms-sidebar__nav-item a.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    text-decoration: none;
}

.cms-sidebar__nav-item a .nav-icon {
    font-size: 1rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

/* Footer del sidebar */
.cms-sidebar__footer {
    padding: 14px 20px;
    border-top: 1px solid var(--color-border);
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* ---------------------------------------------------------------
   CONTENIDO PRINCIPAL
--------------------------------------------------------------- */

.cms-main {
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    flex: 1;
}

/* ---------------------------------------------------------------
   HEADER
--------------------------------------------------------------- */

.cms-header {
    height: var(--header-height);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.cms-header__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

.cms-header__right {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.cms-header__env-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 9999px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    border: 1px solid #FED7AA;
}

.cms-header__env-badge.env-production {
    background-color: #DCFCE7;
    color: #16A34A;
    border-color: #BBF7D0;
}

/* ---------------------------------------------------------------
   ÁREA DE CONTENIDO
--------------------------------------------------------------- */

.cms-content {
    flex: 1;
    padding: 32px 28px;
    max-width: 1200px;
    width: 100%;
}

/* ---------------------------------------------------------------
   FOOTER
--------------------------------------------------------------- */

.cms-footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 12px 24px;
    font-size: 0.75rem;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ---------------------------------------------------------------
   TARJETAS
--------------------------------------------------------------- */

.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 28px;
    margin-bottom: 24px;
}

.card__header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

.card__subtitle {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* ---------------------------------------------------------------
   GRID DE ESTADO TÉCNICO
--------------------------------------------------------------- */

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.status-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.status-item__label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.status-item__value {
    font-size: 0.9375rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Indicadores de estado */
.status-ok {
    color: #16A34A;
}

.status-error {
    color: #DC2626;
}

.status-warning {
    color: #D97706;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    display: inline-block;
}

.status-ok .status-dot    { background-color: #16A34A; }
.status-error .status-dot { background-color: #DC2626; }
.status-warning .status-dot { background-color: #D97706; }

/* ---------------------------------------------------------------
   TARJETA DE BIENVENIDA
--------------------------------------------------------------- */

.welcome-card {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, #DBEAFE 100%);
    border: 1px solid #BFDBFE;
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    margin-bottom: 24px;
}

.welcome-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 8px;
}

.welcome-card__subtitle {
    font-size: 0.9375rem;
    color: var(--color-primary);
    opacity: 0.85;
}

.welcome-card__badge {
    display: inline-block;
    margin-top: 16px;
    padding: 4px 14px;
    background-color: var(--color-accent);
    color: #FFFFFF;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ---------------------------------------------------------------
   UTILIDADES
--------------------------------------------------------------- */

.text-muted {
    color: var(--color-text-muted);
}

.text-small {
    font-size: 0.8125rem;
}

.mt-0  { margin-top: 0; }
.mt-1  { margin-top: 4px; }
.mt-2  { margin-top: 8px; }
.mt-4  { margin-top: 16px; }
.mt-6  { margin-top: 24px; }
.mb-4  { margin-bottom: 16px; }
.mb-6  { margin-bottom: 24px; }

/* ---------------------------------------------------------------
   RESPONSIVE
--------------------------------------------------------------- */

@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }

    .cms-sidebar {
        transform: translateX(-250px);
        width: 250px;
    }

    .cms-sidebar.is-open {
        transform: translateX(0);
    }

    .cms-main {
        margin-left: 0;
    }

    .cms-content {
        padding: 20px 16px;
    }

    .cms-header {
        padding: 0 16px;
    }

    .status-grid {
        grid-template-columns: 1fr;
    }

    /* Botón de menú móvil */
    .cms-header__menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border: none;
        background: none;
        cursor: pointer;
        color: var(--color-text-muted);
        font-size: 1.25rem;
        border-radius: var(--radius-sm);
        transition: background-color var(--transition);
    }

    .cms-header__menu-toggle:hover {
        background-color: var(--color-surface-hover);
    }
}

@media (min-width: 769px) {
    .cms-header__menu-toggle {
        display: none;
    }
}