/**
 * Chat web del sitio (#251). Botón flotante + panel. Tokens del tema
 * (--c-*, theme.css); nada de colores sueltos salvo transparencias.
 */

.ds-chat-launcher,
.ds-chat-wa {
	position: fixed;
	right: max(20px, env(safe-area-inset-right));
	bottom: max(20px, env(safe-area-inset-bottom));
	z-index: 60;
	display: grid;
	place-items: center;
	width: 60px;
	height: 60px;
	border: 0;
	border-radius: 50%;
	cursor: pointer;
	box-shadow: 0 10px 30px color-mix(in srgb, var(--c-base-950) 55%, transparent);
	transition: transform .18s ease, box-shadow .18s ease;
}
.ds-chat-launcher { background: var(--c-strike); color: var(--c-fg); }
.ds-chat-wa { background: var(--c-wa); color: var(--c-fg); }
.ds-chat-launcher:hover,
.ds-chat-wa:hover { transform: translateY(-2px) scale(1.04); }
.ds-chat-launcher:focus-visible,
.ds-chat-wa:focus-visible { outline: 3px solid var(--c-duni); outline-offset: 3px; }
.ds-chat-launcher[hidden] { display: none; }
.ds-chat-launcher__dot {
	position: absolute;
	top: 6px;
	right: 6px;
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background: var(--c-kingpin);
	box-shadow: 0 0 0 2px var(--c-strike);
}

.ds-chat {
	position: fixed;
	right: max(20px, env(safe-area-inset-right));
	bottom: max(20px, env(safe-area-inset-bottom));
	z-index: 61;
	display: flex;
	flex-direction: column;
	width: min(380px, calc(100vw - 40px));
	height: min(600px, calc(100vh - 110px));
	background: var(--c-base-900);
	color: var(--c-fg);
	border: 1px solid color-mix(in srgb, var(--c-strike) 35%, transparent);
	border-radius: 20px;
	overflow: hidden;
	box-shadow: 0 24px 60px color-mix(in srgb, var(--c-base-950) 70%, transparent);
	animation: ds-chat-in .2s ease-out;
}
.ds-chat[hidden] { display: none; }
@keyframes ds-chat-in {
	from { opacity: 0; transform: translateY(12px); }
	to { opacity: 1; transform: none; }
}

.ds-chat__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 14px 16px;
	background: var(--c-base-800);
	border-bottom: 1px solid color-mix(in srgb, var(--c-strike) 25%, transparent);
}
.ds-chat__titles { display: flex; flex-direction: column; min-width: 0; }
.ds-chat__title { font-family: var(--font-display); font-weight: 400; font-size: 15px; letter-spacing: .02em; }
.ds-chat__subtitle { font-size: 12px; color: var(--c-muted); }
.ds-chat__close {
	display: grid;
	place-items: center;
	width: 36px;
	height: 36px;
	border: 0;
	border-radius: 50%;
	background: transparent;
	color: var(--c-muted);
	cursor: pointer;
}
.ds-chat__close:hover { background: var(--c-base-700); color: var(--c-fg); }
.ds-chat__close:focus-visible { outline: 2px solid var(--c-duni); }

.ds-chat__log {
	flex: 1;
	overflow-y: auto;
	display: flex;
	flex-direction: column;
	gap: 10px;
	padding: 16px;
	overscroll-behavior: contain;
}
.ds-chat__msg { display: flex; flex-direction: column; max-width: 85%; }
.ds-chat__msg--visitor { align-self: flex-end; align-items: flex-end; }
.ds-chat__msg--assistant,
.ds-chat__msg--advisor { align-self: flex-start; }
.ds-chat__bubble {
	padding: 10px 14px;
	border-radius: 16px;
	font-size: 14px;
	line-height: 1.45;
	overflow-wrap: anywhere;
}
.ds-chat__msg--visitor .ds-chat__bubble { background: var(--c-strike); border-bottom-right-radius: 4px; }
.ds-chat__msg--assistant .ds-chat__bubble { background: var(--c-base-700); border-bottom-left-radius: 4px; }
.ds-chat__msg--advisor .ds-chat__bubble {
	background: color-mix(in srgb, var(--c-duni) 18%, var(--c-base-700));
	border-bottom-left-radius: 4px;
}
.ds-chat__who { font-size: 11px; color: var(--c-duni); margin: 0 0 3px 4px; font-weight: 600; }

.ds-chat__typing { padding: 0 16px 8px; font-size: 12px; color: var(--c-muted); }
.ds-chat__typing[hidden] { display: none; }

.ds-chat__notice {
	padding: 12px 16px;
	border-top: 1px solid var(--c-base-700);
	font-size: 13px;
	color: var(--c-cream);
}
.ds-chat__notice[hidden] { display: none; }
.ds-chat__notice p { margin: 0 0 10px; }
.ds-chat__notice-actions,
.ds-chat__contact-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

.ds-chat__btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 40px;
	padding: 0 16px;
	border: 0;
	border-radius: var(--radius-pill);
	background: var(--c-strike);
	color: var(--c-fg);
	font: inherit;
	font-size: 14px;
	font-weight: 600;
	text-decoration: none;
	cursor: pointer;
}
.ds-chat__btn--wa { background: var(--c-wa); }
.ds-chat__btn:focus-visible { outline: 2px solid var(--c-duni); outline-offset: 2px; }
.ds-chat__link {
	border: 0;
	background: none;
	color: var(--c-muted);
	font: inherit;
	font-size: 13px;
	text-decoration: underline;
	cursor: pointer;
}
.ds-chat__link[hidden] { display: none; }

.ds-chat__contact {
	display: flex;
	flex-direction: column;
	gap: 10px;
	padding: 14px 16px 16px;
	border-top: 1px solid var(--c-base-700);
}
.ds-chat__contact[hidden] { display: none; }
.ds-chat__contact-fields,
.ds-chat__confirm { display: flex; flex-direction: column; gap: 10px; }
.ds-chat__contact-fields[hidden],
.ds-chat__confirm[hidden] { display: none; }
.ds-chat__confirm .ds-chat__contact-lead:focus { outline: none; }
.ds-chat__confirm-number {
	margin: 0;
	font-family: var(--font-display);
	font-size: 22px;
	letter-spacing: .03em;
	color: var(--c-fg);
}
.ds-chat__confirm-hint { margin: 0; font-size: 13px; color: var(--c-muted); }
.ds-chat__contact-lead { margin: 0; font-size: 13px; color: var(--c-cream); }
.ds-chat__field { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--c-muted); }
.ds-chat__field input {
	min-height: 42px;
	padding: 0 12px;
	border: 1px solid var(--c-base-700);
	border-radius: 10px;
	background: var(--c-base-950);
	color: var(--c-fg);
	font: inherit;
	font-size: 16px; /* 16px: iOS no hace zoom al enfocar */
}
.ds-chat__field input:focus { outline: 2px solid var(--c-duni); border-color: transparent; }
.ds-chat__error { color: var(--c-kingpin); font-size: 12px; min-height: 0; }
.ds-chat__error:empty { display: none; }

.ds-chat__composer {
	display: flex;
	align-items: flex-end;
	gap: 8px;
	padding: 12px;
	border-top: 1px solid var(--c-base-700);
	background: var(--c-base-900);
}
.ds-chat__composer[hidden] { display: none; }
.ds-chat__input {
	flex: 1;
	min-height: 44px;
	max-height: 120px;
	padding: 11px 14px;
	border: 1px solid var(--c-base-700);
	border-radius: 22px;
	background: var(--c-base-950);
	color: var(--c-fg);
	font: inherit;
	font-size: 16px;
	resize: none;
}
.ds-chat__input:focus { outline: 2px solid var(--c-duni); border-color: transparent; }
.ds-chat__send {
	display: grid;
	place-items: center;
	flex-shrink: 0;
	width: 44px;
	height: 44px;
	border: 0;
	border-radius: 50%;
	background: var(--c-strike);
	color: var(--c-fg);
	cursor: pointer;
}
.ds-chat__send:focus-visible { outline: 2px solid var(--c-duni); outline-offset: 2px; }

/* Móvil: el panel ocupa la pantalla. */
@media (max-width: 600px) {
	.ds-chat {
		inset: 0;
		width: 100%;
		height: 100%;
		height: 100dvh;
		border-radius: 0;
		border: 0;
		padding-bottom: env(safe-area-inset-bottom);
	}
	.ds-chat-open body { overflow: hidden; }
}

@media (prefers-reduced-motion: reduce) {
	.ds-chat { animation: none; }
	.ds-chat-launcher,
	.ds-chat-wa { transition: none; }
	.ds-chat-launcher:hover,
	.ds-chat-wa:hover { transform: none; }
}