/* ==========================================================================
   BNJ Design System - Minimalista, Moderno y Profesional
   Paleta: Slate / Zinc Dark, Bordes sutiles, Acentos refinados
   ========================================================================== */

:root {
    --bs-body-font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Fondos oscuros neutros profesionales (Estilo Vercel/Linear/GitHub dark) */
    --bg-main: #090D16;
    --bg-surface: #0E1526;
    --bg-card: rgba(17, 24, 39, 0.75);
    --bg-card-hover: rgba(26, 36, 56, 0.85);
    --bg-subtle: #151F33;
    --bg-glass: rgba(9, 13, 22, 0.8);

    /* Bordes refinados */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.18);
    --border-accent: rgba(56, 189, 248, 0.3);

    /* Acentos sofisticados */
    --brand-cyan: #38BDF8;
    --brand-blue: #2563EB;
    --brand-purple: #A855F7;
    --accent-primary: #38BDF8;
    
    /* Tipografía */
    --text-main: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--bs-body-font-family);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(37, 99, 235, 0.03) 0%, transparent 40%);
    background-attachment: fixed;
    letter-spacing: -0.01em;
}

.text-muted, p.text-muted, small.text-muted {
    color: var(--text-secondary) !important;
}

/* ==========================================================================
   HEADER / NAVBAR (Mantiene posicionamiento intacto, aspecto clean y flotante)
   ========================================================================== */
.navbar {
    background-color: var(--bg-glass) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
    transition: all 0.25s ease;
}

.navbar-brand img {
    max-height: 34px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.4));
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    padding: 0.4rem 0.75rem !important;
    border-radius: 8px;
}

.nav-link:hover {
    color: var(--text-main) !important;
    background-color: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
    color: var(--brand-cyan) !important;
    background-color: rgba(56, 189, 248, 0.08);
}

.navbar .btn {
    font-size: 0.78rem;
    height: 32px;
    padding: 0 10px;
    border-radius: 8px;
    font-weight: 500;
}

/* ==========================================================================
   CARDS / CONTENEDORES
   ========================================================================== */
.card {
    background-color: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.card:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--border-color-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
}

.card-title {
    color: var(--text-main);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

.card-text.text-muted {
    color: var(--text-secondary) !important;
    line-height: 1.55;
}

/* ==========================================================================
   BOTONES MINIMALISTAS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 38px;
    padding: 0 16px;
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: 8px;
    transition: all 0.18s ease;
    text-decoration: none;
    letter-spacing: -0.01em;
}

.btn-sm {
    height: 32px;
    padding: 0 12px;
    font-size: 0.8rem;
}

.btn-brand-gradient {
    background: #0284C7;
    background: linear-gradient(180deg, #38BDF8 0%, #0284C7 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #FFFFFF !important;
    box-shadow: 0 2px 8px rgba(2, 132, 199, 0.25);
}

.btn-brand-gradient:hover {
    background: linear-gradient(180deg, #0284C7 0%, #0369A1 100%);
    color: #FFFFFF !important;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
    transform: translateY(-1px);
}

.btn-cyan {
    background-color: #0284C7;
    border: 1px solid rgba(56, 189, 248, 0.3);
    color: #FFFFFF !important;
}

.btn-cyan:hover {
    background-color: #0369A1;
    color: #FFFFFF !important;
}

.btn-purple {
    background-color: rgba(168, 85, 247, 0.12);
    border: 1px solid rgba(168, 85, 247, 0.3);
    color: #E9D5FF;
}

.btn-purple:hover {
    background-color: #9333EA;
    border-color: #9333EA;
    color: #FFFFFF;
}

.btn-outline-custom {
    border: 1px solid var(--border-color);
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.03);
}

.btn-outline-custom:hover {
    border-color: var(--border-color-hover);
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.08);
}

.btn-coffee {
    background-color: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #FBBF24;
}

.btn-coffee:hover {
    background-color: #F59E0B;
    border-color: #F59E0B;
    color: #0F172A;
}

.btn-secondary-custom {
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.02);
}

.btn-whatsapp {
    background-color: rgba(34, 197, 94, 0.12) !important;
    border: 1px solid rgba(34, 197, 94, 0.3) !important;
    color: #4ADE80 !important;
}

.btn-whatsapp:hover {
    background-color: #16A34A !important;
    border-color: #16A34A !important;
    color: #FFFFFF !important;
}

.btn-youtube {
    background-color: rgba(239, 68, 68, 0.1) !important;
    border: 1px solid rgba(239, 68, 68, 0.3) !important;
    color: #F87171 !important;
}

.btn-youtube:hover {
    background-color: #DC2626 !important;
    border-color: #DC2626 !important;
    color: #FFFFFF !important;
}

/* ==========================================================================
   BADGES MINIMALISTAS
   ========================================================================== */
.badge-cyan {
    background-color: rgba(56, 189, 248, 0.1);
    color: #38BDF8;
    border: 1px solid rgba(56, 189, 248, 0.25);
    font-weight: 500;
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 6px;
}

.badge-green {
    background-color: rgba(34, 197, 94, 0.1);
    color: #4ADE80;
    border: 1px solid rgba(34, 197, 94, 0.25);
    font-weight: 500;
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 6px;
}

.badge-purple {
    background-color: rgba(168, 85, 247, 0.1);
    color: #C084FC;
    border: 1px solid rgba(168, 85, 247, 0.25);
    font-weight: 500;
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 6px;
}

/* ==========================================================================
   TABLAS Y ELEMENTOS UI
   ========================================================================== */
.table-custom {
    color: var(--text-main);
    margin-bottom: 0;
}

.table-custom th {
    background-color: rgba(255, 255, 255, 0.02);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 16px;
}

.table-custom td {
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
    padding: 14px 16px;
    font-size: 0.9rem;
}

.text-cyan { color: var(--brand-cyan) !important; }
.text-purple { color: #C084FC !important; }
.text-green { color: #4ADE80 !important; }

/* Tipografía Gradiente sutil y moderna */
.text-gradient {
    background: linear-gradient(180deg, #FFFFFF 0%, #CBD5E1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
}

.ratio-16x9 {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 36px 0;
    margin-top: auto;
}

.social-icon {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0 8px;
    transition: color 0.18s ease;
}

.social-icon:hover {
    color: var(--brand-cyan);
}

.table-transparent {
    --bs-table-bg: transparent !important;
    background-color: transparent !important;
}

/* Navegación por pestañas y píldoras */
.nav-pills-custom .nav-link {
    color: var(--text-secondary) !important;
    border-radius: 8px;
    padding: 8px 16px;
    border: 1px solid transparent;
    font-size: 0.875rem;
    background: rgba(255, 255, 255, 0.02);
}

.nav-pills-custom .nav-link:hover {
    color: var(--text-main) !important;
    background: rgba(255, 255, 255, 0.05);
}

.nav-pills-custom .nav-link.active {
    background-color: rgba(56, 189, 248, 0.12) !important;
    color: var(--brand-cyan) !important;
    border-color: rgba(56, 189, 248, 0.3);
}

.nav-subpills .nav-link {
    color: var(--text-secondary) !important;
    font-size: 0.825rem;
    border-radius: 6px;
    padding: 6px 12px;
}

.nav-subpills .nav-link.active {
    background-color: rgba(168, 85, 247, 0.15) !important;
    color: #E9D5FF !important;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

/* Inputs de búsqueda y formularios */
.search-input-custom {
    background-color: var(--bg-surface) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-main) !important;
    border-radius: 8px;
    padding: 9px 14px;
    font-size: 0.9rem;
    transition: all 0.18s ease;
}

.search-input-custom:focus {
    background-color: var(--bg-surface) !important;
    border-color: var(--brand-cyan) !important;
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15) !important;
    color: var(--text-main) !important;
}

.search-input-custom::placeholder {
    color: var(--text-muted) !important;
    opacity: 0.8;
}

.main-content {
    margin-top: 80px;
}