:root {
    --primary-dark: #7a0b0b;       /* Vermelho vinho */
    --primary-medium: #c12a2a;    /* Vermelho intenso */
    --primary-light: #ff7b7b;     /* Vermelho rosado claro */
    --primary-gradient: linear-gradient(145deg, var(--primary-dark) 0%, var(--primary-medium) 50%, var(--primary-light) 100%);
    --primary-hover: linear-gradient(145deg, #6a0000 0%, #b02020 50%, #f06b6b 100%);
    --shadow-intensity: 0.4;      /* Controle de intensidade das sombras */
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: #f5f5f5;
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

.container {
    flex: 1;
}

.card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, calc(var(--shadow-intensity) * 0.3));
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: white;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, calc(var(--shadow-intensity) * 0.4));
}

.card-header {
    padding: 1.5rem;
    background: var(--primary-gradient);
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.card-header h1 {
    font-weight: 700;
    letter-spacing: -0.5px;
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
    border-radius: 50px;
    padding: 0.8rem 2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(139, 0, 0, calc(var(--shadow-intensity) * 0.6)), 
                0 2px 3px rgba(0, 0, 0, calc(var(--shadow-intensity) * 0.1)) inset;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover, .btn-primary:focus {
    background: var(--primary-hover);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(139, 0, 0, calc(var(--shadow-intensity) * 0.8)), 
                0 3px 5px rgba(0, 0, 0, calc(var(--shadow-intensity) * 0.1)) inset;
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 2px 10px rgba(139, 0, 0, calc(var(--shadow-intensity) * 0.4)), 
                0 1px 2px rgba(0, 0, 0, calc(var(--shadow-intensity) * 0.2)) inset;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 20%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0) 80%
    );
    transform: rotate(30deg);
    transition: all 0.7s cubic-bezier(0.19, 1, 0.22, 1);
}

.btn-primary:hover::after {
    left: 100%;
}

.btn-outline-primary {
    color: var(--primary-dark);
    border: 2px solid var(--primary-medium);
    border-radius: 50px;
    padding: 0.4rem 1.2rem;
    font-weight: 500;
    background: transparent;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(139, 0, 0, calc(var(--shadow-intensity) * 0.2));
}

.btn-outline-primary:hover {
    background: var(--primary-dark);
    color: white;
    border-color: var(--primary-dark);
    box-shadow: 0 4px 15px rgba(139, 0, 0, calc(var(--shadow-intensity) * 0.4));
    transform: translateY(-2px);
}

.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    background-color: #f8f9fa;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    color: #555;
    border-bottom: 2px solid var(--primary-light);
}

.table td {
    vertical-align: middle;
    padding: 1.2rem 0.75rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.table-hover tbody tr:hover {
    background-color: rgba(255, 107, 107, 0.08);
    transform: scale(1.005);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.badge {
    border-radius: 50px;
    padding: 0.5em 1em;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    font-weight: 600;
}

.badge.bg-primary {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

textarea {
    border-radius: 8px;
    border: 1px solid #ddd;
    transition: all 0.3s ease;
    padding: 1rem;
}

textarea:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.2);
    outline: none;
}

.spinner-border {
    width: 3.5rem;
    height: 3.5rem;
    border-width: 0.25rem;
}

/* Efeito de brilho nos botões de DNS */
[data-bs-toggle="collapse"] {
    position: relative;
    z-index: 1;
    overflow: hidden;
}

[data-bs-toggle="collapse"]::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.15) 0%,
        rgba(255, 255, 255, 0) 50%,
        rgba(255, 255, 255, 0.15) 100%
    );
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    z-index: -1;
}

[data-bs-toggle="collapse"]:hover::after {
    transform: translateX(100%);
}

/* Responsividade */
@media (max-width: 768px) {
    .card {
        border-radius: 8px;
    }
    
    .btn-primary {
        padding: 0.7rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .table td {
        padding: 0.8rem 0.5rem;
    }
}

/* Estilos para ordenação */
.dropdown-toggle::after {
    margin-left: 0.5em;
}

.sortable {
    cursor: pointer;
    transition: background-color 0.2s ease;
    position: relative;
}

.sortable:hover {
    background-color: rgba(255, 107, 107, 0.1);
}

.sortable::after {
    content: "↕";
    display: inline-block;
    margin-left: 0.5em;
    opacity: 0.3;
    transition: opacity 0.2s ease;
}

.sortable:hover::after {
    opacity: 0.7;
}

.dropdown-item {
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background: rgba(139, 0, 0, 0.05);
    color: var(--primary-dark);
}

.dropdown-divider {
    border-color: rgba(139, 0, 0, 0.1);
}