/* ============================================================
   GESTOR PROFESIONAL DE CUENTAS Y SUSCRIPCIONES
   Sistema de Diseño: Dark Glassmorphism Premium
   ============================================================ */

:root {
    --bg-main: #090d16;
    --bg-surface: #111827;
    --bg-surface-hover: #1f293d;
    --bg-glass: rgba(17, 24, 39, 0.75);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(99, 102, 241, 0.3);
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.25);
    
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.12);
    
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);

    --urgent: #f97316;
    --urgent-bg: rgba(249, 115, 22, 0.15);
    
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.15);
    
    --info: #06b6d4;
    
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;
    
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============================================================
   LAYOUT & CONTAINERS
   ============================================================ */

.app-wrapper {
    display: flex;
    width: 100vw;
    min-height: 100vh;
}

.sidebar {
    width: 270px;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    position: fixed;
    height: 100vh;
    z-index: 100;
    backdrop-filter: blur(16px);
}

.main-content {
    margin-left: 270px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.top-header {
    height: 72px;
    background: rgba(17, 24, 39, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 90;
}

.content-body {
    padding: 2rem;
    flex: 1;
}

/* ============================================================
   SIDEBAR NAVIGATION
   ============================================================ */

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 0.5rem 1.5rem 0.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), #818cf8);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #fff;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.brand-text h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
}

.brand-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.nav-item a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.92rem;
    transition: var(--transition);
}

.nav-item a .nav-link-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-item a i {
    font-size: 1.1rem;
    width: 22px;
    text-align: center;
}

.nav-item a:hover {
    background: var(--bg-surface-hover);
    color: #fff;
}

.nav-item.active a {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(99, 102, 241, 0.05));
    color: #fff;
    border: 1px solid var(--border-highlight);
    box-shadow: var(--shadow-glow);
}

.nav-badge {
    padding: 0.15rem 0.6rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
}

.nav-badge.badge-stock { background: rgba(99, 102, 241, 0.2); color: #a5b4fc; }
.nav-badge.badge-success { background: var(--success-bg); color: var(--success); }
.nav-badge.badge-warning { background: var(--warning-bg); color: var(--warning); }
.nav-badge.badge-danger { background: var(--danger-bg); color: var(--danger); }

/* ============================================================
   BANNER DE ALERTA AL DUEÑO
   ============================================================ */

.owner-alert-banner {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(245, 158, 11, 0.15));
    border: 1px solid rgba(239, 68, 68, 0.4);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.15);
    animation: alertPulse 3s infinite alternate;
}

@keyframes alertPulse {
    0% { border-color: rgba(239, 68, 68, 0.4); box-shadow: 0 4px 15px rgba(239, 68, 68, 0.15); }
    100% { border-color: rgba(245, 158, 11, 0.6); box-shadow: 0 4px 25px rgba(245, 158, 11, 0.3); }
}

.alert-info-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alert-icon-wrap {
    width: 44px;
    height: 44px;
    background: var(--danger);
    color: #fff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.5);
}

.alert-text h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}

.alert-text p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================================
   TARJETAS DE MÉTRICAS (DASHBOARD)
   ============================================================ */

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-highlight);
    box-shadow: var(--shadow-card);
}

.metric-data h3 {
    font-size: 1.75rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
}

.metric-data p {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 0.2rem;
}

.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.metric-icon.indigo { background: rgba(99, 102, 241, 0.15); color: var(--primary); }
.metric-icon.emerald { background: var(--success-bg); color: var(--success); }
.metric-icon.amber { background: var(--warning-bg); color: var(--warning); }
.metric-icon.rose { background: var(--danger-bg); color: var(--danger); }

/* ============================================================
   CONTENEDORES DE TABLAS Y TARJETAS
   ============================================================ */

.card-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.panel-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.panel-title h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
}

.search-box {
    position: relative;
    width: 280px;
}

.search-box input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    color: #fff;
    font-size: 0.88rem;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px var(--primary-glow);
}

.search-box i {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* ============================================================
   TABLA DE CUENTAS
   ============================================================ */

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.custom-table th {
    background: rgba(0, 0, 0, 0.25);
    padding: 0.9rem 1.25rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
}

.custom-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    vertical-align: middle;
}

.custom-table tbody tr {
    transition: var(--transition);
}

.custom-table tbody tr:hover {
    background: var(--bg-surface-hover);
}

.platform-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: #fff;
}

.platform-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.credential-box {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.credential-email {
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.credential-sub {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ============================================================
   BADGES & BOTONES
   ============================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
}

.badge-stock { background: rgba(99, 102, 241, 0.18); color: #a5b4fc; border: 1px solid rgba(99, 102, 241, 0.3); }
.badge-success { background: var(--success-bg); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-warning { background: var(--warning-bg); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-urgent { background: var(--urgent-bg); color: #fb923c; border: 1px solid rgba(249, 115, 22, 0.4); animation: blink 1.5s infinite; }
.badge-danger { background: var(--danger-bg); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.1rem;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-whatsapp {
    background: #25d366;
    color: #fff;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background: #20ba5a;
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-icon {
    width: 34px;
    height: 34px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

/* ============================================================
   MODALES (VENTANAS EMERGENTES)
   ============================================================ */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-backdrop.show {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: var(--bg-surface);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 580px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
    transform: translateY(20px) scale(0.95);
    transition: var(--transition);
}

.modal-backdrop.show .modal-container {
    transform: translateY(0) scale(1);
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-close:hover { color: #fff; }

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* FORMULARIOS */
.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: 0.83rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.7rem 1rem;
    color: #fff;
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px var(--primary-glow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* PREVISTA WHATSAPP */
.whatsapp-preview-box {
    background: #0b141a;
    border-radius: var(--radius-md);
    padding: 1.2rem;
    border: 1px solid #1f2c34;
    color: #e9edef;
    font-size: 0.88rem;
    line-height: 1.5;
    white-space: pre-wrap;
    font-family: inherit;
    max-height: 220px;
    overflow-y: auto;
    margin-top: 0.75rem;
}

/* TOAST NOTIFICACIONES */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.25rem;
    color: #fff;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    animation: slideIn 0.3s ease;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .sidebar { width: 80px; padding: 1rem 0.5rem; }
    .brand-text, .nav-item span, .nav-badge { display: none; }
    .main-content { margin-left: 80px; }
    .nav-item a { justify-content: center; }
    .nav-item a i { font-size: 1.3rem; }
}