#sac-root {
	--sac-accent: #d4af37;
	--sac-accent-text: var(--sac-accent);
	--sac-on: #111;
	--sac-bg: #0b0b0b;
	--sac-fg: #f5f1e6;
	--sac-surface: #1b1b1b;
	--sac-input: #1a1a1a;
	--sac-head: linear-gradient(180deg, #1c1c1c, var(--sac-bg));
	--sac-hover: rgba(255, 255, 255, 0.06);
	--sac-line: color-mix(in srgb, var(--sac-accent) 30%, transparent);
	--sac-muted: color-mix(in srgb, var(--sac-fg) 60%, transparent);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	font-size: 15px;
	line-height: 1.45;
	color: var(--sac-fg);
}
#sac-root *, #sac-root *::before, #sac-root *::after { box-sizing: border-box; }
#sac-root [hidden] { display: none !important; }

/* Floating button */
#sac-root .sac-fab {
	position: fixed;
	bottom: 20px;
	z-index: 99998;
	width: 62px;
	height: 62px;
	padding: 0;
	border-radius: 50%;
	background: var(--sac-bg);
	color: var(--sac-accent-text);
	border: 2px solid var(--sac-accent);
	box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45), 0 0 0 5px color-mix(in srgb, var(--sac-accent) 14%, transparent);
	display: grid;
	place-items: center;
	cursor: pointer;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}
#sac-root .sac-fab:hover { transform: scale(1.06); box-shadow: 0 10px 34px rgba(0, 0, 0, 0.55), 0 0 0 7px color-mix(in srgb, var(--sac-accent) 20%, transparent); }
#sac-root .sac-fab:focus-visible, #sac-root button:focus-visible, #sac-root a:focus-visible, #sac-root input:focus-visible { outline: 2px solid var(--sac-accent); outline-offset: 2px; }
#sac-root.sac-right .sac-fab { right: 20px; }
#sac-root.sac-left .sac-fab { left: 20px; }

/* Nudge bubble */
#sac-root .sac-tip {
	position: fixed;
	bottom: 36px;
	z-index: 99998;
	background: var(--sac-bg);
	color: var(--sac-accent-text);
	border: 1px solid var(--sac-accent);
	border-radius: 999px;
	padding: 8px 14px;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
	animation: sac-pop 0.4s ease;
}
#sac-root.sac-right .sac-tip { right: 94px; }
#sac-root.sac-left .sac-tip { left: 94px; }

/* Panel */
#sac-root .sac-panel {
	position: fixed;
	bottom: 96px;
	z-index: 99999;
	width: 380px;
	max-width: calc(100vw - 24px);
	height: min(620px, calc(100vh - 120px));
	height: min(620px, calc(100dvh - 120px));
	display: flex;
	flex-direction: column;
	background: var(--sac-bg);
	border: 1px solid var(--sac-line);
	border-radius: 18px;
	overflow: hidden;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
	opacity: 0;
	visibility: hidden;
	transform: translateY(14px) scale(0.98);
	transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
}
#sac-root.sac-right .sac-panel { right: 20px; }
#sac-root.sac-left .sac-panel { left: 20px; }
#sac-root.sac-open .sac-panel { opacity: 1; visibility: visible; transform: none; }

/* Header */
#sac-root .sac-head {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 14px 14px 14px 16px;
	background: var(--sac-head);
	border-bottom: 1px solid var(--sac-line);
}
#sac-root .sac-avatar {
	flex: 0 0 auto;
	width: 44px;
	height: 44px;
	border-radius: 50%;
	border: 1.5px solid var(--sac-accent);
	background: var(--sac-bg);
	color: var(--sac-accent-text);
	font-family: Georgia, "Times New Roman", serif;
	font-weight: 700;
	display: grid;
	place-items: center;
	overflow: hidden;
}
#sac-root .sac-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
#sac-root .sac-titles { flex: 1; min-width: 0; }
#sac-root .sac-name { font-family: Georgia, "Times New Roman", serif; font-size: 17px; color: var(--sac-accent-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#sac-root .sac-sub { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sac-muted); }
#sac-root .sac-close { flex: 0 0 auto; width: 36px; height: 36px; padding: 0; border-radius: 50%; border: 0; background: transparent; color: var(--sac-muted); cursor: pointer; display: grid; place-items: center; }
#sac-root .sac-close:hover { color: var(--sac-accent-text); background: var(--sac-hover); }

/* Messages */
#sac-root .sac-msgs {
	flex: 1;
	overflow-y: auto;
	padding: 14px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	scrollbar-width: thin;
	scrollbar-color: color-mix(in srgb, var(--sac-accent) 45%, transparent) transparent;
}
#sac-root .sac-msg {
	max-width: 86%;
	padding: 10px 13px;
	border-radius: 14px;
	word-wrap: break-word;
	overflow-wrap: anywhere;
	animation: sac-pop 0.25s ease;
}
#sac-root .sac-bot {
	align-self: flex-start;
	background: var(--sac-surface);
	border: 1px solid var(--sac-line);
	border-bottom-left-radius: 4px;
}
#sac-root .sac-bot a { color: var(--sac-accent-text); text-decoration: underline; }
#sac-root .sac-user {
	align-self: flex-end;
	background: var(--sac-accent);
	background: linear-gradient(135deg, var(--sac-accent), color-mix(in srgb, var(--sac-accent) 70%, #fff));
	color: var(--sac-on);
	border-bottom-right-radius: 4px;
	font-weight: 500;
}
#sac-root .sac-typing { display: flex; gap: 5px; padding: 14px; }
#sac-root .sac-typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--sac-accent); opacity: 0.35; animation: sac-dot 1.2s infinite ease-in-out; }
#sac-root .sac-typing span:nth-child(2) { animation-delay: 0.15s; }
#sac-root .sac-typing span:nth-child(3) { animation-delay: 0.3s; }

/* Quick chips */
#sac-root .sac-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 14px 10px; }
#sac-root .sac-chip {
	border: 1px solid var(--sac-accent);
	background: transparent;
	color: var(--sac-accent-text);
	border-radius: 999px;
	padding: 6px 12px;
	font-size: 13px;
	cursor: pointer;
	font-family: inherit;
	transition: background 0.15s, color 0.15s;
}
#sac-root .sac-chip:hover { background: var(--sac-accent); color: var(--sac-on); }

/* Action buttons */
#sac-root .sac-actions {
	display: grid;
	grid-auto-flow: column;
	grid-auto-columns: 1fr;
	gap: 8px;
	padding: 10px 14px;
	border-top: 1px solid var(--sac-line);
}
#sac-root .sac-act {
	display: block;
	text-align: center;
	padding: 8px 6px;
	border: 1px solid var(--sac-accent);
	border-radius: 10px;
	color: var(--sac-accent-text);
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	text-decoration: none;
	transition: background 0.15s, color 0.15s;
}
#sac-root .sac-act:hover { background: color-mix(in srgb, var(--sac-accent) 15%, transparent); }
#sac-root .sac-act-primary { background: var(--sac-accent); color: var(--sac-on); }
#sac-root .sac-act-primary:hover { filter: brightness(1.1); background: var(--sac-accent); }

/* Input */
#sac-root .sac-form { display: flex; gap: 8px; padding: 4px 14px 8px; }
#sac-root .sac-input {
	flex: 1;
	min-width: 0;
	background: var(--sac-input);
	color: var(--sac-fg);
	border: 1px solid var(--sac-line);
	border-radius: 999px;
	padding: 11px 16px;
	font-size: 16px;
	font-family: inherit;
}
#sac-root .sac-input::placeholder { color: var(--sac-muted); }
#sac-root .sac-send {
	flex: 0 0 auto;
	width: 44px;
	height: 44px;
	padding: 0;
	border: 0;
	border-radius: 50%;
	background: var(--sac-accent);
	color: var(--sac-on);
	cursor: pointer;
	display: grid;
	place-items: center;
}
#sac-root .sac-send:disabled { opacity: 0.5; cursor: default; }
#sac-root .sac-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 0 14px 12px; }
#sac-root .sac-note { flex: 1; font-size: 11px; line-height: 1.35; color: var(--sac-muted); }
#sac-root .sac-end {
	flex: 0 0 auto;
	background: transparent;
	border: 1px solid var(--sac-line);
	color: var(--sac-muted);
	border-radius: 999px;
	padding: 5px 12px;
	font-size: 12px;
	font-family: inherit;
	cursor: pointer;
	transition: border-color 0.15s, color 0.15s;
}
#sac-root .sac-end:hover { border-color: var(--sac-accent-text); color: var(--sac-accent-text); }
#sac-root .sac-idle-btns { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
#sac-root .sac-restart {
	align-self: center;
	margin-top: 4px;
	background: var(--sac-accent);
	color: var(--sac-on);
	border: 0;
	border-radius: 999px;
	padding: 10px 20px;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.04em;
	font-family: inherit;
	cursor: pointer;
}
#sac-root .sac-restart:hover { filter: brightness(1.1); }
#sac-root .sac-input:disabled { opacity: 0.5; }

@keyframes sac-pop { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes sac-dot { 0%, 80%, 100% { opacity: 0.3; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }

@media (max-width: 520px) {
	#sac-root .sac-panel {
		inset: 0;
		width: auto;
		max-width: none;
		height: 100vh;
		height: 100dvh;
		border-radius: 0;
		border: 0;
	}
	#sac-root.sac-open .sac-fab { display: none; }
	#sac-root.sac-right .sac-tip { right: 84px; }
}

@media (prefers-reduced-motion: reduce) {
	#sac-root * { animation: none !important; transition: none !important; }
}

/* Light theme */
#sac-root.sac-light {
	--sac-accent-text: color-mix(in srgb, var(--sac-accent) 72%, #000);
	--sac-bg: #ffffff;
	--sac-fg: #1d2a2a;
	--sac-surface: #f1f5f4;
	--sac-input: #f6f8f8;
	--sac-head: linear-gradient(180deg, color-mix(in srgb, var(--sac-accent) 12%, #fff), #fff);
	--sac-hover: rgba(0, 0, 0, 0.06);
}
#sac-root.sac-light .sac-fab { box-shadow: 0 8px 26px rgba(0, 0, 0, 0.22), 0 0 0 5px color-mix(in srgb, var(--sac-accent) 18%, transparent); }
#sac-root.sac-light .sac-panel { box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25); }
#sac-root.sac-light .sac-bot { border-color: rgba(0, 0, 0, 0.08); }