.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.modal-overlay.active {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal {
    background: var(--bg-card, #ffffff);
    border-radius: var(--radius, 16px);
    max-width: 760px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg, 0 8px 40px rgba(0, 0, 0, 0.12));
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: var(--bg-card, #ffffff);
    z-index: 10;
    border-radius: var(--radius, 16px) var(--radius, 16px) 0 0;
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 700;
}

.modal-header .close-modal {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-muted, #8a8aaa);
    cursor: pointer;
    transition: var(--transition, all 0.3s cubic-bezier(0.4, 0, 0.2, 1));
    padding: 4px;
}

.modal-header .close-modal:hover {
    color: var(--danger, #e74c3c);
    transform: rotate(90deg);
}

.modal-body {
    padding: 24px;
}

.modal-body .form-group {
    margin-bottom: 20px;
}

.modal-body .form-group label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
    color: var(--text-secondary, #4a4a6a);
}

.modal-body .form-group label .required {
    color: var(--danger, #e74c3c);
}

.modal-body .form-group input,
.modal-body .form-group select,
.modal-body .form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--radius-sm, 10px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition, all 0.3s cubic-bezier(0.4, 0, 0.2, 1));
    background: var(--bg-body, #f0f2f5);
    color: var(--text-primary, #1a1a2e);
    outline: none;
}

.modal-body .form-group input:focus,
.modal-body .form-group select:focus,
.modal-body .form-group textarea:focus {
    border-color: var(--primary, #0f3b5e);
    box-shadow: 0 0 0 3px rgba(15, 59, 94, 0.08);
    background: #fff;
}

.modal-body .form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.modal-body .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.modal-body .form-group .checkbox-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.modal-body .form-group .checkbox-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 400;
    font-size: 14px;
    cursor: pointer;
}

.modal-body .form-group .checkbox-group input[type="checkbox"] {
    width: auto;
    accent-color: var(--primary, #0f3b5e);
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    position: sticky;
    bottom: 0;
    background: var(--bg-card, #ffffff);
    border-radius: 0 0 var(--radius, 16px) var(--radius, 16px);
}

.modal-footer .btn {
    padding: 10px 28px;
    border-radius: var(--radius-sm, 10px);
    border: none;
    font-family: inherit;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition, all 0.3s cubic-bezier(0.4, 0, 0.2, 1));
}

.modal-footer .btn-cancel {
    background: var(--bg-body, #f0f2f5);
    color: var(--text-secondary, #4a4a6a);
}

.modal-footer .btn-cancel:hover {
    background: var(--text-muted, #8a8aaa);
    color: #fff;
}

.modal-footer .btn-submit {
    background: var(--primary, #0f3b5e);
    color: #fff;
}

.modal-footer .btn-submit:hover {
    background: var(--primary-dark, #0a2a42);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .modal {
        max-width: 100%;
        margin: 10px;
        max-height: 95vh;
    }

    .modal-body .form-row {
        grid-template-columns: 1fr;
    }
}