/* ── 강사와 떠 있는 채팅 — 공용 메시지 기능을 작은 창에 담는다 ───────────── */
.floating-talk {
	position: fixed;
	inset-inline-end: var(--wa-space-m);
	inset-block-end: var(--wa-space-m);
	z-index: 210;
	box-sizing: border-box;
	inline-size: min(25rem, calc(100% - 2 * var(--wa-space-m)));
	max-block-size: calc(100dvh - 2 * var(--wa-space-m));
	border: 1px solid var(--wa-color-surface-border);
	border-radius: var(--wa-border-radius-l);
	background: var(--wa-color-surface-raised);
	color: var(--wa-color-text-normal);
	box-shadow: var(--wa-shadow-l);
	overflow: hidden;
}
.floating-talk .floating-talk-head {
	display: flex;
	align-items: center;
	gap: var(--wa-space-xs);
	padding: var(--wa-space-s);
	border-block-end: 1px solid var(--wa-color-surface-border);
}
.floating-talk .floating-talk-head img { inline-size: 2.25rem; block-size: 2.25rem; border-radius: var(--wa-border-radius-circle); object-fit: cover; }
.floating-talk .floating-talk-head h2 { flex: 1; min-inline-size: 0; margin: 0; font-size: var(--wa-font-size-m); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.floating-talk .floating-talk-head nav { display: flex; gap: var(--wa-space-3xs); }
.floating-talk .floating-talk-icon,
.floating-talk .talk-attach label {
	display: inline-grid;
	place-items: center;
	box-sizing: border-box;
	inline-size: 2.5rem;
	block-size: 2.5rem;
	padding: 0;
	border: 0;
	border-radius: var(--wa-border-radius-m);
	background: transparent;
	color: var(--wa-color-text-normal);
	font: inherit;
	text-decoration: none;
	cursor: pointer;
}
.floating-talk .floating-talk-icon:hover,
.floating-talk .talk-attach label:hover { background: var(--wa-color-surface-lowered); }
.floating-talk .floating-talk-icon[aria-pressed="true"] { background: var(--wa-color-brand-fill-quiet); color: var(--wa-color-brand-on-quiet); }
.floating-talk .floating-talk-icon:focus-visible { outline: var(--wa-focus-ring); outline-offset: -2px; }
.floating-talk .floating-talk-icon:disabled { opacity: 0.5; cursor: default; }
.floating-talk .floating-talk-body > .talk-room { display: flex; flex-direction: column; gap: 0; block-size: min(36rem, calc(100dvh - 2 * var(--wa-space-m))); min-block-size: 0; border: 0; border-radius: 0; box-shadow: none; }
.floating-talk .talk-log { flex: 1; min-block-size: 6rem; block-size: auto; border: 0; border-radius: 0; }
.floating-talk .talk-message { max-inline-size: 90%; }
.floating-talk .talk-room > .profile-help,
.floating-talk .talk-typing,
.floating-talk .form-status { flex: none; margin: 0; padding: var(--wa-space-2xs) var(--wa-space-s); font-size: var(--wa-font-size-xs); }
.floating-talk .talk-composer {
	flex: none;
	grid-template-columns: auto minmax(0, 1fr) auto;
	gap: var(--wa-space-3xs);
	padding: var(--wa-space-xs);
	border-block-start: 1px solid var(--wa-color-surface-border);
}
.floating-talk .talk-composer > .talk-attach { grid-column: 1; grid-row: 3; flex-wrap: nowrap; gap: 0; align-self: center; }
.floating-talk .talk-composer > textarea { grid-column: 2; grid-row: 3; min-block-size: 5rem; max-block-size: 8rem; resize: none; font-size: var(--wa-font-size-s); }
.floating-talk .talk-composer > button[type="submit"] { grid-column: 3; grid-row: 3; align-self: center; background: var(--wa-color-brand-fill-loud); color: var(--wa-color-brand-on-loud); }
.floating-talk .talk-composer > .form-errors { grid-row: 1; }
.floating-talk .talk-composer > .talk-composing { grid-row: 2; }
.floating-talk .talk-composer > progress { grid-row: 4; }
.floating-talk .floating-talk-pending > :not(header) { margin: var(--wa-space-m); }
.floating-talk .floating-talk-pending progress { inline-size: calc(100% - 2 * var(--wa-space-m)); }
@media (max-width: 599px) {
	.floating-talk { inset-inline-end: var(--wa-space-xs); inset-block-end: var(--wa-space-xs); inline-size: calc(100% - 2 * var(--wa-space-xs)); max-block-size: calc(100dvh - 2 * var(--wa-space-xs)); }
	.floating-talk .floating-talk-body > .talk-room { block-size: min(36rem, calc(100dvh - 2 * var(--wa-space-xs))); }
}