/* Botões */
.btn {
    background: var(--primary-blue);
    color: #fff;
    border: none;
    padding: 14px 20px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
    min-width: 140px;
}

.btn:hover {
    background: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(30, 87, 153, 0.3);
}

.btn:active {
    transform: translateY(0);
}

.btn-secondary {
    background: #f1f5f9;
    color: var(--primary-blue);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: #e2e8f0;
    border-color: var(--secondary-blue);
}

.btn-warning {
    background: var(--accent-yellow);
    color: var(--primary-blue);
}

.btn-warning:hover {
    background: var(--dark-yellow);
}

.btn-danger {
    background: #e63946;
    color: white;
}

.btn-danger:hover {
    background: #d00000;
}

.btn-small {
    padding: 10px 16px;
    font-size: 0.9rem;
    min-width: 120px;
}

.btn-large {
    padding: 16px 30px;
    font-size: 1.1rem;
    min-width: 160px;
}

.btn-full {
    width: 100%;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 22px;
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-yellow), var(--dark-yellow));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover {
    background: var(--card-hover);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.card-header {
    color: var(--accent-yellow);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-bottom: 12px;
}

.card-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-blue);
}

/* Formulários */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--accent-yellow);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-yellow);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23FFD700' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 12px;
}

/* Checkbox e Radio */
.checkbox-group,
.radio-group {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
}

.checkbox-group input[type="checkbox"],
.radio-group input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent-yellow);
}

.checkbox-group label,
.radio-group label {
    margin: 0;
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 600;
}

/* Mensagens */
.mensagem {
    margin: 20px auto;
    text-align: center;
    padding: 15px 25px;
    border-radius: 12px;
    max-width: 600px;
    font-weight: 600;
    animation: slideIn 0.5s ease-out;
}

.mensagem.success {
    background: linear-gradient(135deg, var(--success-color), #96c93d);
    color: white;
    border-left: 4px solid var(--success-color);
}

.mensagem.error {
    background: linear-gradient(135deg, var(--error-color), #ff4b2b);
    color: white;
    border-left: 4px solid var(--error-color);
}

.mensagem.warning {
    background: linear-gradient(135deg, var(--accent-yellow), var(--dark-yellow));
    color: var(--primary-blue);
    border-left: 4px solid var(--accent-yellow);
}

/* Grid System */
.grid {
    display: grid;
    gap: 20px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 15px;
}

.modal-content {
    background: #fff;
    padding: 25px;
    border-radius: 15px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    color: var(--primary-blue);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.modal h3 {
    margin-top: 0;
    color: var(--primary-blue);
}

.modal-buttons {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

/* Tabelas */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 0.9rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.table th,
.table td {
    padding: 12px 10px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    color: var(--primary-blue);
    font-weight: 700;
    padding: 15px 12px;
}

.table tbody tr:hover {
    background: #f8fafc;
}

/* Loading Spinner */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 3px solid var(--accent-yellow);
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}