/**
 * SAC — Chatbot "Blaise Sarr"
 * Petite fenêtre discrète, ancrée en bas à droite, qui ne gêne pas la navigation.
 */

.sac-chat {
	position: fixed;
	right: 20px;
	bottom: 20px;
	z-index: 9999;
	font-family: var(--font-body);
	display: flex;
	flex-direction: column;
	align-items: flex-end;
}

/* ---------- Bouton flottant ---------- */
.sac-chat-toggle {
	display: flex;
	align-items: center;
	gap: 10px;
	background: var(--sac-blue);
	color: var(--sac-white);
	border: none;
	border-radius: 999px;
	padding: 8px 18px 8px 8px;
	cursor: pointer;
	box-shadow: 0 8px 24px rgba(10, 31, 51, 0.28);
	transition: transform var(--transition), box-shadow var(--transition);
}
.sac-chat-toggle:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(10, 31, 51, 0.34); }

.sac-chat-toggle-avatar {
	width: 40px;
	height: 40px;
	border-radius: 50%;
	overflow: hidden;
	flex-shrink: 0;
	border: 2px solid var(--sac-signal);
	background: var(--sac-ink);
}
.sac-chat-toggle-avatar svg { width: 100%; height: 100%; display: block; }

.sac-chat-toggle-label {
	font-family: var(--font-display);
	font-size: 0.88rem;
	letter-spacing: 0.02em;
	line-height: 1.15;
	text-align: left;
}
.sac-chat-toggle-label small {
	display: block;
	font-family: var(--font-mono);
	font-size: 0.66rem;
	font-weight: 500;
	color: var(--sac-rail-line);
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.sac-chat-dot {
	width: 9px;
	height: 9px;
	border-radius: 50%;
	background: var(--sac-green);
	display: inline-block;
	margin-right: 5px;
	box-shadow: 0 0 0 2px rgba(62, 142, 90, 0.25);
}

/* Petit badge d'invitation, discret, affiché une seule fois */
.sac-chat-ping {
	position: absolute;
	top: -8px;
	right: -6px;
	background: var(--sac-signal);
	color: var(--sac-ink);
	font-family: var(--font-mono);
	font-size: 0.62rem;
	font-weight: 600;
	border-radius: 999px;
	padding: 3px 8px;
	white-space: nowrap;
	box-shadow: 0 4px 10px rgba(10, 31, 51, 0.2);
	animation: sacChatFade 6s ease forwards;
	pointer-events: none;
}
@keyframes sacChatFade {
	0% { opacity: 0; transform: translateY(4px); }
	10% { opacity: 1; transform: translateY(0); }
	80% { opacity: 1; }
	100% { opacity: 0; visibility: hidden; }
}

.sac-chat.is-open .sac-chat-toggle { display: none; }

/* ---------- Fenêtre du chat ---------- */
.sac-chat-panel {
	display: none;
	flex-direction: column;
	width: 340px;
	max-width: calc(100vw - 32px);
	height: 460px;
	max-height: calc(100vh - 110px);
	background: var(--sac-white);
	border-radius: 10px;
	overflow: hidden;
	box-shadow: 0 18px 48px rgba(10, 31, 51, 0.32);
	border: 1px solid var(--sac-rail-line);
}
.sac-chat.is-open .sac-chat-panel { display: flex; }

.sac-chat-header {
	display: flex;
	align-items: center;
	gap: 10px;
	background: var(--sac-blue);
	color: var(--sac-white);
	padding: 12px 12px;
	flex-shrink: 0;
}
.sac-chat-header-avatar {
	width: 38px;
	height: 38px;
	border-radius: 50%;
	overflow: hidden;
	flex-shrink: 0;
	border: 2px solid var(--sac-signal);
}
.sac-chat-header-avatar svg { width: 100%; height: 100%; display: block; }

.sac-chat-header-text { flex: 1; min-width: 0; }
.sac-chat-header-text strong {
	display: block;
	font-family: var(--font-display);
	font-size: 0.95rem;
	letter-spacing: 0.01em;
}
.sac-chat-header-text span {
	display: flex;
	align-items: center;
	font-family: var(--font-mono);
	font-size: 0.68rem;
	color: var(--sac-rail-line);
	text-transform: uppercase;
	letter-spacing: 0.03em;
}

.sac-chat-close {
	background: transparent;
	border: none;
	color: var(--sac-white);
	width: 30px;
	height: 30px;
	border-radius: 50%;
	cursor: pointer;
	font-size: 1.1rem;
	line-height: 1;
	flex-shrink: 0;
	transition: background var(--transition);
}
.sac-chat-close:hover { background: rgba(255, 255, 255, 0.12); }

.sac-chat-body {
	flex: 1;
	overflow-y: auto;
	padding: 14px 12px;
	background: var(--sac-paper);
	display: flex;
	flex-direction: column;
	gap: 10px;
}
.sac-chat-body::-webkit-scrollbar { width: 6px; }
.sac-chat-body::-webkit-scrollbar-thumb { background: var(--sac-rail-line); border-radius: 999px; }

.sac-msg {
	max-width: 86%;
	padding: 9px 12px;
	border-radius: 10px;
	font-size: 0.88rem;
	line-height: 1.42;
	white-space: pre-line;
}
.sac-msg a { color: inherit; text-decoration: underline; }

.sac-msg-bot {
	align-self: flex-start;
	background: var(--sac-white);
	color: var(--sac-ink);
	border: 1px solid var(--sac-rail-line);
	border-bottom-left-radius: 2px;
}
.sac-msg-user {
	align-self: flex-end;
	background: var(--sac-blue);
	color: var(--sac-white);
	border-bottom-right-radius: 2px;
}

.sac-msg-typing {
	align-self: flex-start;
	display: flex;
	gap: 4px;
	padding: 11px 14px;
	background: var(--sac-white);
	border: 1px solid var(--sac-rail-line);
	border-radius: 10px;
	border-bottom-left-radius: 2px;
}
.sac-msg-typing span {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--sac-steel);
	animation: sacTypingBounce 1.2s infinite ease-in-out;
}
.sac-msg-typing span:nth-child(2) { animation-delay: 0.15s; }
.sac-msg-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes sacTypingBounce {
	0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
	30% { transform: translateY(-4px); opacity: 1; }
}

.sac-chat-quick {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-top: 2px;
}
.sac-chat-quick button {
	font-family: var(--font-mono);
	font-size: 0.7rem;
	letter-spacing: 0.02em;
	background: var(--sac-white);
	border: 1px solid var(--sac-blue-mid);
	color: var(--sac-blue);
	border-radius: 999px;
	padding: 6px 11px;
	cursor: pointer;
	transition: background var(--transition), color var(--transition);
}
.sac-chat-quick button:hover { background: var(--sac-blue); color: var(--sac-white); }

.sac-chat-form {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 10px;
	border-top: 1px solid var(--sac-rail-line);
	background: var(--sac-white);
	flex-shrink: 0;
}
.sac-chat-form input[type="text"] {
	flex: 1;
	border: 1px solid var(--sac-rail-line);
	border-radius: 999px;
	padding: 9px 14px;
	font-family: var(--font-body);
	font-size: 0.86rem;
	color: var(--sac-ink);
	background: var(--sac-paper);
}
.sac-chat-form input[type="text"]:focus {
	outline: none;
	border-color: var(--sac-blue-mid);
}
.sac-chat-form button {
	background: var(--sac-signal);
	color: var(--sac-ink);
	border: none;
	width: 36px;
	height: 36px;
	border-radius: 50%;
	flex-shrink: 0;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background var(--transition);
}
.sac-chat-form button:hover { background: var(--sac-signal-dark); }
.sac-chat-form button svg { width: 16px; height: 16px; }

@media (max-width: 480px) {
	.sac-chat { right: 12px; bottom: 12px; }
	.sac-chat-toggle-label { display: none; }
	.sac-chat-toggle { padding: 6px; }
	.sac-chat-panel { width: calc(100vw - 24px); height: min(72vh, 520px); }
}