/* ==========================================================================
   File Download Guard — Modal for unavailable files
   Uses design-tokens.css variables
   ========================================================================== */

/* ---- Overlay ---- */
.fdg-overlay {
    position: fixed;
    inset: 0;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-normal, 250ms) var(--ease-default, ease),
                visibility var(--duration-normal, 250ms) var(--ease-default, ease);
}

.fdg-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

/* ---- Modal box ---- */
.fdg-modal {
    background: #fff;
    border-radius: var(--radius-lg, 12px);
    box-shadow: var(--shadow-lg, 0 10px 15px -3px rgba(0,0,0,.06));
    width: 100%;
    max-width: 480px;
    margin: var(--sp-4, 16px);
    transform: translateY(12px);
    transition: transform var(--duration-normal, 250ms) var(--ease-default, ease);
}

.fdg-overlay.is-open .fdg-modal {
    transform: translateY(0);
}

/* ---- Header ---- */
.fdg-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-4, 16px) var(--sp-6, 24px);
    border-bottom: 1px solid var(--gray-200, #E5E7EB);
}

.fdg-modal__header-left {
    display: flex;
    align-items: center;
    gap: var(--sp-3, 12px);
}

.fdg-modal__icon {
    color: var(--color-warning, #F59E0B);
    font-size: 20px;
    flex-shrink: 0;
}

.fdg-modal__title {
    font-size: var(--fs-lg, 16px);
    font-weight: var(--fw-semibold, 600);
    color: var(--gray-900, #111827);
    margin: 0;
    line-height: var(--lh-tight, 1.2);
}

.fdg-modal__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: var(--radius-sm, 4px);
    background: transparent;
    color: var(--gray-400, #9CA3AF);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    transition: color var(--duration-fast, 150ms), background var(--duration-fast, 150ms);
    flex-shrink: 0;
}

.fdg-modal__close:hover {
    color: var(--gray-600, #4B5563);
    background: var(--gray-100, #F3F4F6);
}

/* ---- Body ---- */
.fdg-modal__body {
    padding: var(--sp-5, 20px) var(--sp-6, 24px);
}

.fdg-modal__message {
    font-size: var(--fs-base, 14px);
    color: var(--gray-700, #374151);
    line-height: var(--lh-relaxed, 1.625);
    margin: 0 0 var(--sp-3, 12px) 0;
}

.fdg-modal__message:last-of-type {
    margin-bottom: var(--sp-4, 16px);
}

/* ---- File info card ---- */
.fdg-modal__file-card {
    background: var(--color-warning-bg, #FFFBEB);
    border: 1px solid var(--color-warning-border, #FDE68A);
    border-radius: var(--radius-md, 8px);
    padding: var(--sp-3, 12px) var(--sp-4, 16px);
    display: flex;
    flex-direction: column;
    gap: var(--sp-2, 8px);
}

.fdg-modal__file-row {
    display: flex;
    align-items: baseline;
    gap: var(--sp-2, 8px);
    min-width: 0;
}

.fdg-modal__file-label {
    font-size: var(--fs-sm, 12px);
    color: var(--gray-500, #6B7280);
    white-space: nowrap;
    flex-shrink: 0;
}

.fdg-modal__file-value {
    font-size: var(--fs-base, 14px);
    font-weight: var(--fw-semibold, 600);
    color: var(--gray-800, #1F2937);
    user-select: all;
    -webkit-user-select: all;
    word-break: break-all;
    min-width: 0;
}

/* ---- Footer ---- */
.fdg-modal__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: var(--sp-4, 16px) var(--sp-6, 24px);
    border-top: 1px solid var(--gray-200, #E5E7EB);
}

.fdg-modal__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 20px;
    border: none;
    border-radius: var(--radius-md, 8px);
    background: var(--color-primary, #6366F1);
    color: #fff;
    font-size: var(--fs-base, 14px);
    font-weight: var(--fw-medium, 500);
    cursor: pointer;
    transition: background var(--duration-fast, 150ms);
}

.fdg-modal__btn:hover {
    background: var(--color-primary-hover, #4F46E5);
}

/* ---- Checking state on links ---- */
a[download].fdg-checking {
    pointer-events: none;
    opacity: 0.6;
}