/*
 * Token-backed Tieit modal system.
 *
 * This is the modern modal API. It intentionally does not target Bootstrap
 * modal selectors; migrated modals should emit ti-modal classes directly.
 */

.ti-modal {
    position: fixed;
    inset: 0;
    z-index: var(--ds-modal-z-index);
    display: none;
    font-family: var(--ds-font-family-sans);
    color: var(--ds-modal-body-text);
}

.ti-modal[hidden] {
    display: none !important;
}

.ti-modal.is-open,
.ti-modal[open],
.ti-modal[aria-hidden="false"] {
    display: block;
}

.ti-modal__backdrop {
    position: absolute;
    inset: 0;
    background: var(--ds-modal-backdrop-bg);
    -webkit-backdrop-filter: blur(var(--ds-modal-backdrop-blur));
    backdrop-filter: blur(var(--ds-modal-backdrop-blur));
}

.ti-modal__viewport {
    position: relative;
    z-index: 1;
    display: grid;
    min-height: 100%;
    padding: var(--ds-modal-gutter);
    overflow-y: auto;
    place-items: center;
}

.ti-modal__surface {
    width: min(100%, var(--ds-modal-width));
    max-height: calc(100vh - (var(--ds-modal-gutter) * 2));
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--ds-modal-surface-bg);
    border: 1px solid var(--ds-modal-surface-border);
    border-radius: var(--ds-modal-surface-radius);
    box-shadow: var(--ds-modal-surface-shadow);
}

.ti-modal__header {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: var(--ds-space-3);
    padding: var(--ds-space-5) var(--ds-space-6);
    background: var(--ds-modal-header-bg);
    border-bottom: 1px solid var(--ds-modal-header-border);
}

.ti-modal__header::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 3px;
    content: "";
    background: var(--ds-modal-accent);
}

.ti-modal__heading {
    min-width: 0;
    flex: 1;
}

.ti-modal__eyebrow {
    margin: 0 0 var(--ds-space-1);
    color: var(--ds-modal-muted-text);
    font-size: var(--ds-font-size-xs);
    font-weight: var(--ds-font-weight-semibold);
    letter-spacing: 0;
    line-height: 1.25;
    text-transform: uppercase;
}

.ti-modal__title {
    margin: 0;
    color: var(--ds-modal-title-text);
    font-size: var(--ds-font-size-xl);
    font-weight: var(--ds-font-weight-semibold);
    letter-spacing: 0;
    line-height: 1.25;
}

.ti-modal__description {
    max-width: 64ch;
    margin: var(--ds-space-2) 0 0;
    color: var(--ds-modal-body-text);
    font-size: var(--ds-font-size-sm);
    line-height: 1.5;
}

.ti-modal__close {
    width: 34px;
    height: 34px;
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: calc(var(--ds-space-1) * -1) calc(var(--ds-space-1) * -1) 0 0;
    padding: 0;
    border: 0;
    border-radius: var(--ds-radius-sm);
    background: var(--ds-modal-close-bg);
    color: var(--ds-modal-close-color);
    cursor: pointer;
    font-size: 22px;
    line-height: 1;
    text-shadow: none;
    transition:
        background-color var(--ds-motion-base) var(--ds-ease-out),
        color var(--ds-motion-base) var(--ds-ease-out),
        box-shadow var(--ds-motion-base) var(--ds-ease-out);
}

.ti-modal__close:hover,
.ti-modal__close:focus {
    background: var(--ds-modal-close-hover-bg);
    color: var(--ds-modal-close-hover-color);
}

.ti-modal__close:focus,
.ti-modal__close:focus-visible {
    outline: none;
    box-shadow: var(--ds-focus-ring);
}

.ti-modal__body {
    flex: 1 1 auto;
    padding: var(--ds-space-6);
    overflow-y: auto;
    background: var(--ds-modal-body-bg);
    color: var(--ds-modal-body-text);
    font-size: var(--ds-font-size-md);
    line-height: 1.5;
}

.ti-modal__body > :first-child {
    margin-top: 0;
}

.ti-modal__body > :last-child {
    margin-bottom: 0;
}

.ti-modal__footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--ds-space-2);
    padding: var(--ds-space-4) var(--ds-space-6);
    background: var(--ds-modal-footer-bg);
    border-top: 1px solid var(--ds-modal-footer-border);
}

.ti-modal__footer--split {
    justify-content: space-between;
}

.ti-modal__footer-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--ds-space-2);
}

.ti-modal--sm {
    --ds-modal-width: var(--ds-modal-width-sm);
}

.ti-modal--lg {
    --ds-modal-width: var(--ds-modal-width-lg);
}

.ti-modal--xl {
    --ds-modal-width: var(--ds-modal-width-xl);
}

.ti-modal--fullscreen .ti-modal__viewport {
    padding: 0;
}

.ti-modal--fullscreen .ti-modal__surface {
    width: 100%;
    min-height: 100vh;
    max-height: none;
    border-width: 0;
    border-radius: 0;
}

.ti-modal--destructive {
    --ds-modal-accent: var(--ds-button-destructive-bg);
}

.ti-modal--warning {
    --ds-modal-accent: var(--ds-button-warning-bg);
}

.ti-modal--neutral {
    --ds-modal-accent: var(--ds-border-strong);
}

@media (max-width: 640px) {
    .ti-modal {
        --ds-modal-gutter: var(--ds-space-3);
    }

    .ti-modal__surface {
        max-height: calc(100vh - (var(--ds-modal-gutter) * 2));
    }

    .ti-modal__header,
    .ti-modal__body,
    .ti-modal__footer {
        padding-right: var(--ds-space-4);
        padding-left: var(--ds-space-4);
    }

    .ti-modal__footer,
    .ti-modal__footer-actions {
        align-items: stretch;
        flex-direction: column-reverse;
    }

    .ti-modal__footer .btn,
    .ti-modal__footer-actions .btn {
        width: 100%;
    }
}