/* Ariel's Music Vault - Dark Theme */

:root {
    --primary-color: #dc3545;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --dark-bg: #0a0a0a;
    --card-bg: #1a1a1a;
    --border-color: #2a2a2a;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--dark-bg) !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

main {
    flex: 1;
}

footer {
    margin-top: auto;
}

/* Cards estilo estudio */
.card {
    background-color: var(--card-bg);
    border-radius: 10px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(220, 53, 69, 0.2);
}

/* Navbar estilo profesional */
.navbar-brand {
    font-weight: bold;
    letter-spacing: 1px;
}

/* Botones con efectos */
.btn {
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    border: none;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #ff4455 0%, #dc3545 100%);
}

/* Form controls oscuros */
.form-control:focus, 
.form-select:focus {
    background-color: #2a2a2a;
    border-color: var(--danger-color);
    color: #fff;
    box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25);
}

/* Tables */
.table-dark {
    --bs-table-bg: var(--card-bg);
    --bs-table-hover-bg: #2a2a2a;
}

/* Badges con mejor contraste */
.badge {
    padding: 0.4em 0.8em;
    font-weight: 500;
    border-radius: 6px;
}

/* Alerts oscuros */
.alert-dark {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: #fff;
}

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Animaciones sutiles */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.card, .alert {
    animation: fadeIn 0.3s ease;
}

/* Responsive */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
}

/* Loading spinner custom */
.spinner-border-danger {
    border-color: var(--danger-color);
    border-right-color: transparent;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--danger-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #ff4455;
}