/* dialogs.css - giao diện hộp thoại vtConfirm / vtAlert (xem dialogs.js). Tự chứa, không phụ thuộc CSS của trang. */
.vt-dlg-overlay {
    --vt-bg: #ffffff;
    --vt-text: #1f2937;
    --vt-muted: #4b5563;
    --vt-border: #e5e7eb;
    --vt-primary: #0066cc;
    --vt-primary-h: #0052a3;
    --vt-danger: #dc2626;
    --vt-danger-h: #b91c1c;
    --vt-cancel-bg: #f3f4f6;
    --vt-cancel-h: #e5e7eb;
    position: fixed;
    inset: 0;
    z-index: 30000; /* cao hơn mọi modal của trang (10000) và thông báo nổi */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(15, 23, 42, .55);
    backdrop-filter: blur(3px);
    opacity: 0;
    transition: opacity .12s ease;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
[data-theme="dark"] .vt-dlg-overlay {
    --vt-bg: #1f2937;
    --vt-text: #f3f4f6;
    --vt-muted: #cbd5e1;
    --vt-border: #374151;
    --vt-cancel-bg: #374151;
    --vt-cancel-h: #4b5563;
}
.vt-dlg-overlay.vt-dlg-show { opacity: 1; }

.vt-dlg {
    width: 100%;
    max-width: 440px;
    max-height: calc(100vh - 32px);
    max-height: calc(100dvh - 32px);
    display: flex;
    flex-direction: column;
    background: var(--vt-bg);
    color: var(--vt-text);
    border-radius: 14px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, .35);
    transform: translateY(8px) scale(.97);
    transition: transform .14s ease;
    overflow: hidden;
}
.vt-dlg-overlay.vt-dlg-show .vt-dlg { transform: none; }

.vt-dlg-head { display: flex; align-items: center; gap: 12px; padding: 18px 20px 6px; }
.vt-dlg-icon {
    flex: 0 0 auto;
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    font-size: 18px;
    color: var(--vt-primary);
    background: rgba(0, 102, 204, .12);
}
.vt-dlg-danger .vt-dlg-icon, .vt-dlg-error .vt-dlg-icon { color: var(--vt-danger); background: rgba(220, 38, 38, .12); }
.vt-dlg-warning .vt-dlg-icon { color: #d97706; background: rgba(217, 119, 6, .14); }
.vt-dlg-success .vt-dlg-icon { color: #059669; background: rgba(5, 150, 105, .14); }
.vt-dlg-title { margin: 0; font-size: 17px; font-weight: 700; line-height: 1.3; color: var(--vt-text); }

.vt-dlg-body {
    padding: 8px 20px 18px 70px; /* thẳng hàng với tiêu đề (bên phải icon) */
    font-size: 14px;
    line-height: 1.55;
    color: var(--vt-muted);
    white-space: pre-line;      /* giữ các dòng \n của nội dung */
    overflow-wrap: anywhere;
    overflow-y: auto;
}

.vt-dlg-foot {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 12px 20px 16px;
    border-top: 1px solid var(--vt-border);
    background: rgba(127, 127, 127, .04);
}
.vt-dlg-btn {
    min-width: 92px;
    height: 38px;
    padding: 0 18px;
    border: 0;
    border-radius: 8px;
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color .12s ease, box-shadow .12s ease;
}
.vt-dlg-btn:focus-visible { outline: 3px solid rgba(0, 102, 204, .45); outline-offset: 2px; }
.vt-dlg-btn-ok { background: var(--vt-primary); color: #fff; }
.vt-dlg-btn-ok:hover { background: var(--vt-primary-h); }
.vt-dlg-btn-danger { background: var(--vt-danger); color: #fff; }
.vt-dlg-btn-danger:hover { background: var(--vt-danger-h); }
.vt-dlg-btn-danger:focus-visible { outline-color: rgba(220, 38, 38, .5); }
.vt-dlg-btn-cancel { background: var(--vt-cancel-bg); color: var(--vt-text); }
.vt-dlg-btn-cancel:hover { background: var(--vt-cancel-h); }

@media (max-width: 480px) {
    .vt-dlg-overlay { padding: 12px; align-items: flex-end; } /* sát đáy màn hình: dễ bấm bằng ngón cái */
    .vt-dlg { max-width: none; border-radius: 16px; }
    .vt-dlg-head { padding: 16px 16px 4px; }
    .vt-dlg-body { padding: 8px 16px 16px; }
    .vt-dlg-foot { flex-direction: column-reverse; padding: 12px 16px 16px; gap: 8px; }
    .vt-dlg-btn { width: 100%; height: 44px; font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
    .vt-dlg-overlay, .vt-dlg { transition: none; }
}