/* Единое подтверждение действий вместо системного окна браузера. */
.echo-confirm {
    position: fixed;
    z-index: 1200;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(8, 10, 16, 0.72);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 180ms ease, visibility 180ms ease;
}

.echo-confirm.is-open {
    opacity: 1;
    visibility: visible;
}

.echo-confirm__dialog {
    width: min(100%, 472px);
    padding: 24px;
    color: var(--text-primary);
    background: var(--surface-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.34);
    transform: translateY(8px) scale(0.985);
    transition: transform 180ms ease;
}

.echo-confirm.is-open .echo-confirm__dialog { transform: translateY(0) scale(1); }

.echo-confirm__heading {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.echo-confirm__icon {
    display: grid;
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    place-items: center;
    color: var(--accent);
    background: var(--accent-subtle);
    border: 1px solid var(--accent-border);
    border-radius: 10px;
}

.echo-confirm__icon svg { width: 18px; height: 18px; }

.echo-confirm__title {
    margin: 5px 0 0;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.25;
}

.echo-confirm__message {
    margin: 16px 0 0;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
    white-space: pre-line;
}

.echo-confirm__actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 24px;
}

.echo-confirm__button {
    display: inline-flex;
    min-width: 116px;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    padding: 0 16px;
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    background: var(--surface-elevated);
    font: inherit;
    font-size: 14px;
    font-weight: 650;
    line-height: 1;
    cursor: pointer;
    transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.echo-confirm__button:hover { background: var(--surface-secondary); }
.echo-confirm__button:active { transform: translateY(1px); }
.echo-confirm__button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.echo-confirm__button--approve {
    color: #fff;
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 8px 18px var(--accent-focus);
}

.echo-confirm__button--approve:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

body.echo-confirm-open { overflow: hidden; }

@media (max-width: 520px) {
    .echo-confirm { align-items: end; padding: 14px; }
    .echo-confirm__dialog { padding: 20px; border-radius: 14px; }
    .echo-confirm__actions { flex-direction: column-reverse; margin-top: 20px; }
    .echo-confirm__button { width: 100%; }
}