/* =====================================================
   Gestión de Clientes - Dark Mode sofisticado y coherente
   Tipografía: Inter | Acento primario del sitio + #00a8ff en CTA
   Ámbito: Solo en #page-contacts para no afectar otras páginas
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

#page-contacts {
    --gc-bg: #ffffff; /* Fondo como el resto */
    --gc-surface: #ffffff;
    --gc-surface-2: #f8f9fa; /* coincidente con --card */
    --gc-border: #e9ecef; /* igual al resto de tarjetas */
    --gc-border-strong: #dee2e6;
    --gc-text: #212529; /* var(--text) */
    --gc-text-muted: #6c757d; /* var(--muted) */
    --gc-accent: #dc3545; /* acento base del proyecto */
    --gc-cta: #00a8ff;
    --gc-cta-hover: #0db4ff;
    --gc-success: #28a745;
    --gc-danger: #ff4d4f;
    --gc-radius: 12px;
    --gc-radius-sm: 10px;
    --gc-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --gc-shadow-soft: 0 2px 8px rgba(0,0,0,0.08);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--gc-bg);
}

/* Header estilo tarjeta como el de la captura, con animaciones */
#page-contacts .app-header {
    background: #ffffff;
    border: 1px solid var(--gc-border);
    border-radius: 12px;
    padding: 16px 24px;
    margin: 12px 12px 0 12px;
    box-shadow: var(--gc-shadow);
    position: relative;
    overflow: hidden;
    animation: gc-fadeUp .5s ease both;
}

#page-contacts .app-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(135deg, var(--gc-accent), #c82333);
    border-radius: 12px 12px 0 0;
}

#page-contacts .header-content { position: relative; z-index: 1; }

#page-contacts .header-title {
    color: var(--gc-text);
    font-weight: 800;
    letter-spacing: -0.01em;
    display: inline-flex; align-items: center; gap: 8px;
    animation: gc-slideIn .5s ease both .05s;
}

#page-contacts .header-title::before {
    content: '👥';
    font-size: 1.2rem;
}

#page-contacts .header-subtitle { color: var(--gc-text-muted); animation: gc-fadeIn .5s ease both .1s; }

#page-contacts .app-header .btn {
    background: transparent;
    color: var(--gc-accent);
    border: 1px solid var(--gc-accent);
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
#page-contacts .app-header .btn:hover:not(:disabled) {
    background: var(--gc-accent);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(220,53,69,0.25);
}

/* Estado de carga del botón Actualizar */
#page-contacts .app-header .btn.loading {
    position: relative;
    pointer-events: none;
    opacity: .9;
}
#page-contacts .app-header .btn.loading::after {
    content: '';
    position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
    width: 14px; height: 14px; border-radius: 50%;
    border: 2px solid rgba(255,255,255,.6);
    border-top-color: #ffffff;
    animation: gc-spin .8s linear infinite;
}
@keyframes gc-spin { to { transform: translateY(-50%) rotate(360deg); } }

/* Micro-animaciones decorativas */
#page-contacts .app-header:hover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,.35) 50%, transparent 60%);
    animation: gc-shine .7s ease-in-out;
    pointer-events: none;
}

@keyframes gc-fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes gc-fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes gc-slideIn { from { opacity: 0; transform: translateX(-6px); } to { opacity: 1; transform: translateX(0); } }
@keyframes gc-shine { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }

#page-contacts .container {
    color: var(--gc-text);
}

/* Título de sección */
#page-contacts .section-title {
    color: var(--gc-text);
}
#page-contacts .section-title::before {
    background: var(--gc-accent);
}

/* Toolbar superior */
#page-contacts .toolbar {
    display: grid;
    grid-template-columns: 1fr; /* solo búsqueda */
    gap: 12px;
    align-items: center;
    background: #ffffff;
    border: 1px solid var(--gc-border);
    border-radius: 12px;
    padding: 20px 24px; /* como .filters-bar */
    margin: 12px 0 18px 0;
    box-shadow: var(--gc-shadow-soft);
}

#page-contacts .search-box { position: relative; }
#page-contacts .search-input {
    width: 100%;
    background: #ffffff;
    border: 1px solid var(--gc-border);
    color: var(--gc-text);
    padding: 12px 40px 12px 40px;
    border-radius: 8px;
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease;
}
#page-contacts .search-input::placeholder { color: var(--gc-text-muted); }
#page-contacts .search-input:focus {
    border-color: var(--gc-cta);
    box-shadow: 0 0 0 3px rgba(0,168,255,0.15);
}
#page-contacts .search-icon {
    position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
    width: 18px; height: 18px; opacity: .8; color: var(--gc-text-muted);
}

#page-contacts .btn-add {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--gc-cta);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.12);
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 600; font-size: 14px;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
    box-shadow: 0 6px 20px rgba(0,168,255,0.25);
}
#page-contacts .btn-add:hover { background: var(--gc-cta-hover); transform: translateY(-1px); }
#page-contacts .btn-add:active { transform: translateY(0); }

/* Lista de clientes como tarjetas */
#page-contacts .contact-list {
    background: transparent;
    border: none;
    box-shadow: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 14px;
}

#page-contacts .client-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 14px;
    align-items: center;
    background: #ffffff;
    border: 1px solid var(--gc-border);
    border-radius: 12px;
    padding: 14px;
    box-shadow: var(--gc-shadow);
    transition: border-color .2s ease, transform .15s ease, box-shadow .2s ease, background .2s ease;
    position: relative; /* asegura que la barra roja pertenezca a la tarjeta */
    overflow: hidden;   /* evita que la barra sobresalga */
}

/* Línea superior animada al hover/selección */
#page-contacts .client-card::before {
    content: '';
    position: absolute; left: 0; right: 0; top: 0; height: 3px;
    background: linear-gradient(90deg, var(--gc-accent), #c82333);
    border-radius: 12px 12px 0 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease;
}
#page-contacts .client-card:hover::before,
#page-contacts .client-card.selected::before { transform: scaleX(1); }

#page-contacts .client-card:hover {
    border-color: var(--gc-border);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
    background: #ffffff;
}

/* Micro-levitación continua muy sutil al pasar */
#page-contacts .client-card:hover { animation: gc-float .6s ease forwards; }
@keyframes gc-float { from { transform: translateY(-2px); } to { transform: translateY(-3px); } }

/* Zona izquierda: Avatar + Identidad */
#page-contacts .client-identity { display: flex; align-items: center; gap: 12px; }
#page-contacts .client-avatar {
    width: 46px; height: 46px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    background: #f8f9fa;
    color: var(--gc-accent); font-weight: 700; letter-spacing: .5px;
    border: 1px solid var(--gc-border);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.6);
}
#page-contacts .client-meta { display: flex; flex-direction: column; line-height: 1.2; }
#page-contacts .client-name { font-size: 15px; font-weight: 700; color: var(--gc-text); }
#page-contacts .client-id { font-size: 12px; color: var(--gc-text-muted); opacity: .9; }

/* Zona central: Contacto */
#page-contacts .client-contact {
    display: grid; gap: 6px; align-items: center;
}
#page-contacts .contact-row { display: inline-flex; align-items: center; gap: 8px; color: var(--gc-text); font-size: 13px; }
#page-contacts .icon { width: 16px; height: 16px; opacity: .9; }

/* Zona derecha: Acciones */
#page-contacts .client-actions { display: inline-flex; align-items: center; gap: 8px; }
/* Se eliminan estilos de botones de acción por requerimiento */

/* Estados vacíos */
#page-contacts .contact-list .empty { 
    grid-column: 1/-1; text-align: center; color: var(--gc-text-muted); 
    padding: 24px; background: var(--gc-surface); border: 1px solid var(--gc-border); border-radius: var(--gc-radius);
}

/* Responsivo */
@media (max-width: 860px) {
    #page-contacts .client-card { grid-template-columns: 1fr; gap: 12px; }
    #page-contacts .client-actions { justify-content: flex-start; }
}

/* ===== RESPONSIVE: Header de Clientes ===== */
@media (max-width: 768px) {
    #page-contacts .app-header {
        padding: 12px 16px !important;
        margin: 8px !important;
    }
    
    #page-contacts .header-content {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start !important;
        width: 100% !important;
    }
    
    #page-contacts .header-left {
        width: 100% !important;
        display: flex !important;
        align-items: center !important;
        justify-content: flex-start !important;
        gap: 12px !important;
        overflow: visible !important;
    }
    
    #page-contacts .header-left .logo-container {
        flex: 1 !important;
        min-width: 0 !important;
        display: flex !important;
        align-items: flex-start !important;
        justify-content: flex-start !important;
    }
    
    #page-contacts .header-left .logo-container > div {
        display: flex !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        justify-content: flex-start !important;
        width: 100% !important;
        min-width: 0 !important;
    }
    
    #page-contacts .header-title {
        font-size: 1.1rem !important;
        line-height: 1.2 !important;
        margin: 0 !important;
        padding: 0 !important;
        text-align: left !important;
        align-self: flex-start !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        overflow: visible !important;
        max-width: 100% !important;
    }
    
    #page-contacts .header-subtitle {
        font-size: 0.8rem !important;
        line-height: 1.3 !important;
        margin: 2px 0 0 0 !important;
        padding: 0 !important;
        text-align: left !important;
        align-self: flex-start !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        overflow: visible !important;
        max-width: 100% !important;
    }
    
    #page-contacts .header-actions {
        width: 100% !important;
        display: flex !important;
        justify-content: flex-end !important;
        gap: 8px !important;
        flex-shrink: 0 !important;
    }
}

/* Skeleton loading para tarjetas de clientes */
#page-contacts .skeleton {
    position: relative;
    overflow: hidden;
    background: var(--gc-surface-2);
    border: 1px solid var(--gc-border);
    border-radius: 12px;
}
#page-contacts .skeleton::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,.6), rgba(255,255,255,0));
    transform: translateX(-100%);
    animation: gc-shimmer 1.2s infinite;
}
@keyframes gc-shimmer { 100% { transform: translateX(100%); } }