/* Modal + form patterns aligned with Class Calendar */

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal.active {
    display: flex;
}

.modal.modal--stack-above-wizard {
    z-index: 1350;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-dialog);
    width: 100%;
    max-width: min(560px, calc(100vw - 2 * var(--space-4)));
    max-height: min(90vh, 100dvh - 2rem);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    animation: companionModalIn 0.2s ease;
}

@keyframes companionModalIn {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--pad-overlay);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
    font-size: var(--text-h5);
    font-weight: 700;
    line-height: var(--leading-heading);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--pad-overlay);
}

.modal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-2);
    padding: 0 var(--pad-overlay) var(--pad-overlay);
}

.modal-body .form-group {
    margin-bottom: var(--space-3);
}

.modal-body .form-group label,
.modal-body .form-label {
    display: block;
    font-size: var(--text-body-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-1);
}

.modal-body input[type="text"],
.modal-body input[type="date"],
.modal-body input[type="color"],
.modal-body select,
.modal-body textarea {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-main);
    font-size: var(--text-body-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--input-bg);
    color: var(--text-primary);
}

.modal-body input:focus,
.modal-body select:focus,
.modal-body textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.checkbox-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-3);
}

.checkbox-grid label {
    font-size: var(--text-body-sm);
    font-weight: 500;
    color: var(--text-primary);
}