/* Base Modal Components — BEM
 * Unified modal styles using design tokens.
 * Based on patterns from tabs.css (.modal-overlay, .modal-content).
 */

/* Backdrop overlay */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay--visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Modal dialog */
.modal {
    position: relative;
    width: clamp(var(--width-modal-sm), 90vw, var(--width-modal-md));
    max-height: 80vh;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    transform: scale(0.95);
    transition: transform 0.2s ease;
    overflow: hidden;
}

.modal-overlay--visible .modal {
    transform: scale(1);
}

/* Size variants */
.modal--sm {
    width: clamp(320px, 80vw, var(--width-modal-sm));
}

.modal--lg {
    width: clamp(var(--width-modal-md), 90vw, var(--width-modal-lg));
}

/* Header */
.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.modal__header h2,
.modal__header h3 {
    margin: 0;
    font-size: var(--text-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
}

/* Body */
.modal__body {
    padding: var(--space-6);
    overflow-y: auto;
    flex: 1;
    color: var(--color-text-secondary);
}

/* Footer */
.modal__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

/* Close button */
.modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--height-btn-sm);
    height: var(--height-btn-sm);
    padding: 0;
    background: transparent;
    color: var(--color-text-muted);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: var(--text-lg);
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.modal__close:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

/* Animation for modal pop-in */
@keyframes modal-pop {
    0% {
        opacity: 0;
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}