/* Aurora Theme for Anarch AI */
/* Inspired by Aurora for ChatGPT Extension */

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

:root {
	/* --- Aurora Base Colors & Background --- */
	--theme-bg-color: #000;
	--theme-text-primary: #f0f4f8;
	--theme-text-secondary: rgba(240, 244, 248, 0.7);
	--bg-filter: brightness(0.55);
	--bg-opacity: 0.58;
	--haze-gradient: linear-gradient(to bottom, rgba(255,255,255,0.16) 0%, rgba(255,255,255,0.10) 22%, rgba(255,255,255,0.06) 45%, rgba(255,255,255,0.02) 68%, rgba(255,255,255,0.00) 85%);
	--overlay-gradient: linear-gradient(to top, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.75) 18%, rgba(0, 0, 0, 0.50) 36%, rgba(0, 0, 0, 0.24) 60%, rgba(0, 0, 0, 0.00) 80%);
	
	/* --- Aurora Glass Effects --- */
	--glass-blur: 40px;
	--glass-saturate: 180%;
	--glass-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
	--glass-bg: rgba(44, 44, 51, 0.75);
	--glass-border: rgba(255, 255, 255, 0.12);
	--glass-inner-highlight: rgba(255, 255, 255, 0.1);
	--glass-radius: 24px;
	--menu-item-hover: rgba(255, 255, 255, 0.12);
	--composer-blur: 14px;
	--composer-bg: rgba(0,0,0,0.35);
	--composer-border: rgba(255,255,255,0.14);
	--composer-shadow: 0 8px 30px rgba(0,0,0,.40);
	--user-bubble-border: rgba(255, 255, 255, 0.25);
	--sidebar-glass-blur: 22px;
	--sidebar-glass-sat: 140%;
	--sidebar-glass-bg: rgba(18, 18, 18, 0.14);
	--sidebar-glass-stroke: rgba(255, 255, 255, 0.08);
	--sidebar-glass-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
	--sidebar-sticky-highlight: rgba(255,255,255,0.06);
	--sidebar-gradient-overlay: linear-gradient(to bottom, rgba(255,255,255,0.015), rgba(0,0,0,0.015));
	--sidebar-glass-radius: 16px;

	/* --- Legacy variables for compatibility --- */
	--accent: #4f8cff;
	--accent-hover: #3b7fe6;
	--error: #f85149;
	--success: #238636;
	--warning: #ffa500;

	--transition: all 0.2s ease;
	--transition-slow: all 0.3s ease;

	--space-xs: 4px;
	--space-sm: 8px;
	--space-md: 12px;
	--space-lg: 16px;
	--space-xl: 20px;

	--radius-sm: 4px;
	--radius-md: 6px;
	--radius-lg: 8px;
	--radius-xl: 18px;
	--radius-pill: 20px;

	--sidebar-width: 280px;
}

html,
body {
	height: 100%;
	margin: 0;
	padding: 0;
	overflow: hidden;
	background: transparent !important;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
	color: var(--theme-text-primary);
}

/* --- Background Container & Animated Blobs --- */
#aurora-ambient-bg {
	position: fixed;
	inset: 0;
	z-index: -1;
	pointer-events: none;
	background-color: var(--theme-bg-color);
	opacity: 0;
	transition: opacity 0.5s ease-in-out;
}

#aurora-ambient-bg.bg-visible {
	opacity: 1;
}

#aurora-ambient-bg .media-layer {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
	transition: opacity 750ms ease-in-out;
}

#aurora-ambient-bg .media-layer.active {
	opacity: 1;
}

#aurora-ambient-bg .animated-bg,
#aurora-ambient-bg .haze,
#aurora-ambient-bg .overlay {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
}

#aurora-ambient-bg .animated-bg {
	z-index: 0;
	overflow: hidden;
	position: relative;
}

#aurora-ambient-bg .haze {
	z-index: 2;
	background: var(--haze-gradient);
}

#aurora-ambient-bg .overlay {
	z-index: 1;
	background: var(--overlay-gradient) !important;
}

/* --- Animated Gradient Blobs --- */
@keyframes move-blob-1 {
	0% { transform: scale(1) translate(0px, 0px); }
	33% { transform: scale(1.1) translate(30vw, -15vh); }
	66% { transform: scale(0.9) translate(-20vw, 20vh); }
	100% { transform: scale(1) translate(0px, 0px); }
}

@keyframes move-blob-2 {
	0% { transform: scale(1) translate(0px, 0px); }
	33% { transform: scale(1.2) translate(-25vw, 10vh); }
	66% { transform: scale(0.8) translate(15vw, -20vh); }
	100% { transform: scale(1) translate(0px, 0px); }
}

@keyframes move-blob-3 {
	0% { transform: scale(1) translate(0px, 0px); }
	33% { transform: scale(1.15) translate(20vw, 20vh); }
	66% { transform: scale(0.85) translate(-30vw, -10vh); }
	100% { transform: scale(1) translate(0px, 0px); }
}

.animated-bg .blob {
	position: absolute;
	border-radius: 50%;
	opacity: 0.45;
	filter: blur(100px);
	will-change: transform;
}

.animated-bg .blob:nth-child(1) {
	width: 60vmax;
	height: 60vmax;
	top: -30vmax;
	left: -20vmax;
	background: #ff99c8;
	animation: move-blob-1 45s infinite alternate ease-in-out;
}

.animated-bg .blob:nth-child(2) {
	width: 70vmax;
	height: 70vmax;
	bottom: -40vmax;
	right: -30vmax;
	background: #a9d6ff;
	animation: move-blob-2 60s infinite alternate ease-in-out;
}

.animated-bg .blob:nth-child(3) {
	width: 50vmax;
	height: 50vmax;
	bottom: -20vmax;
	left: 10vmax;
	background: #fcf6bd;
	animation: move-blob-3 75s infinite alternate ease-in-out;
}

/* --- App Container --- */
.app-container {
	display: flex;
	height: 100%;
	position: relative;
}

/* --- Sidebar with Glass Effect --- */
.sidebar {
	width: var(--sidebar-width);
	min-width: 220px;
	max-width: 500px;
	display: flex;
	flex-direction: column;
	overflow: hidden;
	z-index: 1000;
	transition: margin-left var(--transition-slow);
	flex-shrink: 0;
	position: relative;
	background: transparent;
	border-radius: var(--sidebar-glass-radius);
}

.sidebar::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	border-radius: inherit;
	background: var(--sidebar-glass-bg);
	backdrop-filter: blur(var(--sidebar-glass-blur)) saturate(var(--sidebar-glass-sat));
	-webkit-backdrop-filter: blur(var(--sidebar-glass-blur)) saturate(var(--sidebar-glass-sat));
	box-shadow: inset -1px 0 0 var(--sidebar-glass-stroke), var(--sidebar-glass-shadow);
	border: 1px solid var(--sidebar-glass-stroke);
}

.sidebar > * {
	position: relative;
	z-index: 1;
}

.sidebar-header {
	padding: var(--space-lg);
	border-bottom: 1px solid var(--sidebar-glass-stroke);
}

.sidebar-header h2 {
	font-size: 18px;
	margin-bottom: var(--space-md);
	color: var(--theme-text-primary);
}

.sidebar-resizer {
	width: 5px;
	background: var(--sidebar-glass-stroke);
	cursor: col-resize;
	z-index: 1001;
	transition: background-color 0.2s ease;
}

.sidebar-resizer:hover,
.sidebar-resizer.resizing {
	background: var(--accent);
}

/* --- Main Content --- */
.main-content {
	flex: 1;
	display: flex;
	flex-direction: column;
	background: transparent;
	min-width: 0;
	min-height: 0;
	position: relative;
}

.main-content.drag-over {
	border: 2px dashed var(--accent);
	background-color: rgba(79, 140, 255, 0.1);
}

/* --- Sessions Section --- */
.sessions-section {
	flex: 1;
	padding: var(--space-lg);
	overflow-y: auto;
}

.sessions-section h3 {
	font-size: 14px;
	color: var(--theme-text-secondary);
	margin-bottom: var(--space-md);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	opacity: 0.7;
}

.sessions-list {
	display: flex;
	flex-direction: column-reverse;
	gap: var(--space-xs);
}

/* --- Sidebar Footer --- */
.sidebar-footer {
	border-top: 1px solid var(--sidebar-glass-stroke);
	background: rgba(0,0,0,0.2);
	padding: var(--space-md);
	padding-left: 10px;
}

.sidebar-overlay {
	display: none;
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.5);
	z-index: 999;
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

.sidebar-overlay.show {
	display: block;
}

/* --- Config Section with Glass Effect --- */
.config-section {
	padding: var(--space-md) var(--space-lg);
	background: var(--composer-bg);
	border: 1px solid var(--composer-border);
	border-radius: var(--glass-radius);
	margin: var(--space-md);
	backdrop-filter: blur(var(--composer-blur)) saturate(var(--glass-saturate));
	-webkit-backdrop-filter: blur(var(--composer-blur)) saturate(var(--glass-saturate));
	box-shadow: var(--composer-shadow);
}

.header-controls {
	display: flex;
	align-items: center;
	gap: var(--space-md);
}

.main-config-area {
	flex-grow: 1;
	min-width: 0;
}

.mobile-menu-toggle {
	display: none;
	flex-shrink: 0;
	z-index: 1001;
	background: transparent;
	border: 1px solid transparent;
	border-radius: var(--radius-lg);
	padding: var(--space-md);
	cursor: pointer;
	flex-direction: column;
	gap: var(--space-xs);
	transition: var(--transition-slow);
}

@media (max-width: 768px) {
	.sidebar {
		position: absolute;
		height: 100%;
		margin-left: calc(-1 * var(--sidebar-width));
		border-right: 1px solid var(--sidebar-glass-stroke);
	}

	.sidebar.show {
		margin-left: 0;
		box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
	}

	.sidebar-resizer {
		display: none;
	}

	.mobile-menu-toggle {
		display: flex;
	}

	.main-controls {
		flex-wrap: wrap;
		justify-content: flex-start;
	}

	.main-controls .model-select {
		width: 100%;
		max-width: none;
		margin-bottom: var(--space-sm);
	}
}

.mobile-menu-toggle span {
	width: 20px;
	height: 2px;
	background: var(--theme-text-primary);
	transition: var(--transition-slow);
}

.mobile-menu-toggle.active span:nth-child(1) {
	transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
	opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
	transform: rotate(-45deg) translate(7px, -6px);
}

/* --- Buttons with Glass Effect --- */
.btn,
.new-chat-btn,
.sidebar-action-btn,
.top-btn,
.icon-btn {
	padding: var(--space-md);
	border: 1px solid var(--composer-border);
	border-radius: var(--radius-lg);
	cursor: pointer;
	font-size: 14px;
	transition: all 250ms cubic-bezier(0.16, 1, 0.3, 1);
	display: flex;
	align-items: center;
	justify-content: center;
	text-decoration: none;
	background: rgba(255, 255, 255, 0.05);
	color: var(--theme-text-primary);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	will-change: transform, box-shadow;
}

.btn:hover,
.new-chat-btn:hover,
.sidebar-action-btn:hover,
.top-btn:hover,
.icon-btn:hover {
	background: rgba(255, 255, 255, 0.12);
	transform: translateY(-2px);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.new-chat-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-sm);
	width: 100%;
	font-weight: 600;
}

.new-chat-btn span {
	font-size: 18px;
}

/* --- Form Inputs --- */
.form-input,
.model-select,
.session-name-input,
.message-input {
	padding: var(--space-md);
	background: rgba(0, 0, 0, 0.3);
	border: 1px solid var(--composer-border);
	border-radius: var(--radius-lg);
	color: var(--theme-text-primary);
	font-size: 14px;
	transition: var(--transition);
	font-family: inherit;
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

.form-input:focus,
.model-select:focus,
.session-name-input:focus,
.message-input:focus {
	outline: none;
	border-color: var(--accent);
	box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.25);
}

.form-input::placeholder,
.message-input::placeholder {
	color: var(--theme-text-secondary);
}

.model-select {
	appearance: none;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23f0f4f8' viewBox='0 0 16 16'%3E%3Cpath d='M8 10.5L4 6.5h8L8 10.5z'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 12px center;
	background-size: 12px;
	padding-right: 40px;
}

/* --- Streaming Toggle --- */
.streaming-toggle {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	color: var(--theme-text-secondary);
	font-size: 14px;
	height: 40px;
	padding: 0 var(--space-md);
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid var(--composer-border);
	border-radius: var(--radius-md);
	transition: var(--transition);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
}

.streaming-toggle:hover {
	background: rgba(255, 255, 255, 0.1);
}

.streaming-toggle.checked {
	color: var(--accent);
	border-color: var(--accent);
}

.streaming-toggle .checkbox {
	display: none;
}

.streaming-toggle label {
	cursor: pointer;
}

/* --- File Input --- */
.file-input {
	display: none;
}

/* --- Chat Container --- */
.chat-container {
	flex: 1;
	display: flex;
	flex-direction: column;
	overflow: hidden;
}

.chat-messages {
	flex: 1;
	padding: var(--space-xl);
	overflow-y: auto;
	background: transparent;
}

/* --- Messages with Glass Effect --- */
.message {
	margin-bottom: 24px;
	animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.message.user {
	text-align: right;
	max-width: 1600px;
}

.message.assistant {
	text-align: left;
}

.message-copy-u {
	top: -11px;
	position: relative;
	right: 11px;
	border-width: 1px;
	border-radius: 4px;
	background: rgba(84, 108, 48, 0.6);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

.message-copy {
	top: -11px;
	position: relative;
	right: -15px;
	border-width: 1px;
	border-radius: 4px;
	background: rgba(48, 52, 108, 0.6);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

.message-content {
	display: inline-block;
	max-width: 80%;
	padding: var(--space-lg) var(--space-xl);
	border-radius: var(--radius-xl);
	word-wrap: break-word;
	line-height: 1.5;
	font-size: 15px;
	white-space: pre-wrap;
}

.message.user .message-content {
	background: var(--composer-bg);
	color: var(--theme-text-primary);
	border: 1px solid var(--user-bubble-border);
	backdrop-filter: blur(12px) saturate(160%);
	-webkit-backdrop-filter: blur(12px) saturate(160%);
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.message.assistant .message-content {
	background: var(--glass-bg);
	color: var(--theme-text-primary);
	border: 1px solid var(--glass-border);
	backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
	-webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
	box-shadow: inset 0 1.5px 1px 0 var(--glass-inner-highlight), var(--glass-shadow);
}

/* --- Input Section with Glass Effect --- */
.input-section {
	padding: var(--space-lg);
	background: transparent;
	margin: var(--space-md);
}

.input-container {
	display: flex;
	gap: var(--space-sm);
	align-items: flex-end;
	width: 100%;
	background: var(--composer-bg);
	border: 1px solid var(--composer-border);
	border-radius: var(--glass-radius);
	padding: var(--space-md);
	backdrop-filter: blur(var(--composer-blur)) saturate(var(--glass-saturate));
	-webkit-backdrop-filter: blur(var(--composer-blur)) saturate(var(--glass-saturate));
	box-shadow: var(--composer-shadow);
}

.message-input {
	flex: 1;
	min-width: 100px;
	min-height: 44px;
	max-height: 200px;
	padding: 12px var(--space-lg);
	background: transparent;
	border: none;
	resize: none;
	font-size: 15px;
	font-family: inherit;
	color: var(--theme-text-primary);
	transition: var(--transition);
}

.message-input:focus {
	outline: none;
}

/* --- File Upload Container --- */
.file-upload-container {
	display: flex;
	align-items: flex-end;
	gap: var(--space-sm);
	padding-bottom: 2px;
}

.uploaded-files {
	display: flex;
	gap: var(--space-md);
	flex-wrap: wrap;
	margin-bottom: var(--space-sm);
	align-items: center;
	max-width: 260px;
	max-height: 35px;
	order: 1;
	top: 3px;
}

.uploaded-file {
	display: flex;
	align-items: center;
	gap: var(--space-xs);
	background: rgba(255, 255, 255, 0.1);
	color: var(--theme-text-primary);
	padding: var(--space-xs) var(--space-sm);
	border-radius: 16px;
	font-size: 12px;
	border: 1px solid var(--composer-border);
	max-width: 150px;
	text-overflow: ellipsis;
	white-space: nowrap;
	overflow: hidden;
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

.uploaded-file img {
	width: 14px;
	height: 14px;
	border-radius: 2px;
	object-fit: cover;
}

.uploaded-file-name {
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	max-width: 65px;
	display: inline-block;
}

.remove-file-btn {
	background: none;
	border: none;
	color: var(--theme-text-secondary);
	cursor: pointer;
	font-size: 12px;
	line-height: 1;
}

.remove-file-btn:hover {
	color: var(--error);
}

/* --- Action Buttons --- */
.action-buttons {
	display: flex;
	align-items: flex-end;
	gap: var(--space-sm);
}

.send-button {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	padding: 0;
	background: var(--accent);
	color: white;
	border: none;
	border-radius: 50%;
	cursor: pointer;
	transition: var(--transition);
	flex-shrink: 0;
}

.send-button:hover {
	background: var(--accent-hover);
	transform: scale(1.05);
}

.send-button:disabled,
#clearButton:disabled {
	background: rgba(255, 255, 255, 0.1);
	color: var(--theme-text-secondary);
	cursor: not-allowed;
	transform: none;
	box-shadow: none;
}

#clearButton {
	background-color: rgba(255, 255, 255, 0.05);
}

#clearButton:hover {
	background-color: var(--error);
	color: white;
	border-color: var(--error);
}

.top-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	padding: 0;
	border-radius: var(--radius-md);
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid var(--composer-border);
	color: var(--theme-text-primary);
	font-size: 18px;
	cursor: pointer;
	transition: var(--transition);
	flex-shrink: 0;
}

.top-btn:hover {
	background: rgba(255, 255, 255, 0.12);
	border-color: var(--accent);
}

.icon-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	padding: 0;
	border-radius: var(--radius-md);
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid var(--composer-border);
	color: var(--theme-text-primary);
	font-size: 18px;
	cursor: pointer;
	transition: var(--transition);
	flex-shrink: 0;
}

.icon-btn:hover {
	background: rgba(255, 255, 255, 0.12);
	border-color: var(--accent);
}

.icon-btn:disabled {
	background: rgba(255, 255, 255, 0.03);
	color: var(--theme-text-secondary);
	cursor: not-allowed;
	border-color: var(--composer-border);
}

/* --- Code Blocks with Glass Effect --- */
.code-block {
	background: var(--composer-bg);
	border: 1px solid var(--composer-border);
	border-radius: var(--radius-lg);
	margin: var(--space-md) 0;
	overflow: hidden;
	backdrop-filter: blur(var(--composer-blur)) saturate(var(--glass-saturate));
	-webkit-backdrop-filter: blur(var(--composer-blur)) saturate(var(--glass-saturate));
	box-shadow: var(--composer-shadow);
}

.code-block-header {
	background: rgba(0, 0, 0, 0.3);
	color: var(--theme-text-secondary);
	padding: var(--space-sm) var(--space-md);
	font-size: 12px;
	font-weight: 600;
	border-bottom: 1px solid var(--composer-border);
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.code-block-content {
	padding: var(--space-lg);
	overflow-x: auto;
	font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
	font-size: 13px;
	line-height: 1.45;
	color: var(--theme-text-primary);
	white-space: pre;
	text-align: start;
	background: transparent;
}

.copy-btn {
	background: rgba(255, 255, 255, 0.08);
	border: none;
	color: var(--theme-text-secondary);
	padding: var(--space-xs) var(--space-sm);
	border-radius: var(--radius-sm);
	cursor: pointer;
	font-size: 11px;
	transition: all 250ms cubic-bezier(0.16, 1, 0.3, 1);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

.copy-btn:hover {
	background: rgba(255, 255, 255, 0.15);
	color: var(--theme-text-primary);
	transform: translateY(-1px);
}

/* --- Session Items --- */
.session-item {
	padding: var(--space-md);
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid var(--sidebar-glass-stroke);
	border-radius: var(--radius-lg);
	cursor: pointer;
	transition: var(--transition);
	font-size: 14px;
	color: var(--theme-text-primary);
	position: relative;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

.session-item:hover {
	background: rgba(255, 255, 255, 0.12);
	border-color: var(--accent);
	transform: translateX(4px);
}

.session-item.active {
	background: rgba(79, 140, 255, 0.2);
	border-color: var(--accent);
	color: var(--theme-text-primary);
}

.session-item .session-date {
	font-size: 11px;
	color: var(--theme-text-secondary);
	margin-top: var(--space-xs);
}

.session-item .created-date {
	margin-top: 2px;
	opacity: 0.7;
}

.session-delete-btn {
	position: absolute;
	right: var(--space-sm);
	top: 50%;
	transform: translateY(-50%);
	background: var(--error);
	color: white;
	border: none;
	border-radius: var(--radius-sm);
	width: 20px;
	height: 20px;
	font-size: 12px;
	cursor: pointer;
	opacity: 0;
	transition: opacity var(--transition);
}

.session-item:hover .session-delete-btn {
	opacity: 1;
}

/* --- Session Controls --- */
.session-controls {
	display: flex;
	gap: var(--space-md);
	margin-top: var(--space-md);
	align-items: center;
	flex-wrap: wrap;
}

.auto-save-indicator {
	display: flex;
	align-items: center;
	gap: var(--space-md);
	font-size: 12px;
	color: var(--theme-text-secondary);
	opacity: 0;
	transition: opacity var(--transition-slow);
	transform: translate(130%, -20%);
}

.auto-save-indicator.show {
	opacity: 1;
}

.auto-save-indicator.saving {
	color: var(--warning);
}

.auto-save-indicator.saved {
	color: var(--success);
}

/* --- Sidebar Actions --- */
.sidebar-actions {
	display: flex;
	gap: var(--space-sm);
	margin-top: var(--space-md);
}

.sidebar-action-btn {
	flex: 1;
	padding: var(--space-sm) var(--space-md);
	border-radius: var(--radius-md);
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid var(--sidebar-glass-stroke);
	color: var(--theme-text-secondary);
	font-size: 13px;
	font-weight: 500;
	cursor: pointer;
	transition: var(--transition);
	text-align: center;
}

.sidebar-action-btn:hover {
	background: rgba(255, 255, 255, 0.12);
	color: var(--theme-text-primary);
}

.sidebar-action-btn.delete {
	background: rgba(248, 81, 73, 0.1);
	border-color: var(--error);
	color: var(--error);
}

.sidebar-action-btn.delete:hover {
	background: var(--error);
	color: white;
}

/* --- Typing Indicator --- */
.typing-indicator {
	display: none;
	padding: var(--space-lg) var(--space-xl);
	font-style: italic;
	color: var(--theme-text-secondary);
	font-size: 14px;
}

.typing-dots::after {
	content: '';
	animation: dots 1.5s infinite;
}

@keyframes dots {
	0%, 20% { content: '.'; }
	40% { content: '..'; }
	60%, 100% { content: '...'; }
}

/* --- Model Info --- */
.model-info {
	font-size: 12px;
	color: var(--theme-text-secondary);
	margin-bottom: -5px;
	margin-top: 1px;
	line-height: 1.4;
	text-align: center;
}

/* --- Main Controls --- */
.main-controls {
	display: none;
	align-items: center;
	gap: var(--space-sm);
	width: 100%;
	justify-content: space-between;
}

.config-section.api-key-valid .main-controls {
	display: flex;
	width: 100%;
}

.main-controls .model-select {
	flex-grow: 1;
	max-width: 350px;
}

.action-buttons-group {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
}

/* --- Markdown & LaTeX Support --- */
.message.assistant .markdown-heading {
	color: #dbfaff;
	font-weight: bold;
	margin: 0.8em 0 0.4em 0;
	line-height: 1.3;
}

.message.assistant h1.markdown-heading {
	font-size: 1.5em;
	border-bottom: 2px solid #4f8cff;
	padding-bottom: 0.2em;
}

.message.assistant h2.markdown-heading {
	font-size: 1.3em;
	border-bottom: 1px solid #4f8cff;
	padding-bottom: 0.1em;
}

.message.assistant h3.markdown-heading {
	font-size: 1.2em;
}

.message.assistant h4.markdown-heading {
	font-size: 1.1em;
}

.message.assistant .markdown-bold {
	font-weight: bold;
	color: #dbfaff;
}

.latex-display {
	margin: 10px 0;
	text-align: center;
	overflow-x: auto;
}

.latex-inline {
	display: inline;
}

.MathJax {
	font-size: 1em !important;
}

/* --- Scrollbar Styling --- */
.chat-messages::-webkit-scrollbar,
.sessions-list::-webkit-scrollbar,
.uploaded-files::-webkit-scrollbar {
	width: 8px;
}

.chat-messages::-webkit-scrollbar-track,
.sessions-list::-webkit-scrollbar-track,
.uploaded-files::-webkit-scrollbar-track {
	background: rgba(0, 0, 0, 0.2);
}

.chat-messages::-webkit-scrollbar-thumb,
.sessions-list::-webkit-scrollbar-thumb,
.uploaded-files::-webkit-scrollbar-thumb {
	background: var(--sidebar-glass-stroke);
	border-radius: var(--radius-sm);
}

.chat-messages::-webkit-scrollbar-thumb:hover,
.sessions-list::-webkit-scrollbar-thumb:hover,
.uploaded-files::-webkit-scrollbar-thumb:hover {
	background: rgba(255, 255, 255, 0.2);
}

/* --- Error Messages --- */
.message.error .message-content {
	background: rgba(248, 81, 73, 0.15);
	color: var(--error);
	border: 1px solid var(--error);
	box-shadow: none;
}

.message.error .message-content strong {
	color: var(--theme-text-primary);
}

/* --- Loading States --- */
.loading {
	opacity: 0.6;
	pointer-events: none;
}

.loading::after {
	content: '';
	position: absolute;
	top: 50%;
	left: 50%;
	width: 20px;
	height: 20px;
	margin: -10px 0 0 -10px;
	border: 2px solid rgba(255, 255, 255, 0.2);
	border-top: 2px solid var(--accent);
	border-radius: 50%;
	animation: spin 1s linear infinite;
}

@keyframes spin {
	0% { transform: rotate(0deg); }
	100% { transform: rotate(360deg); }
}

/* --- Checkbox --- */
.checkbox {
	appearance: none;
	width: 18px;
	height: 18px;
	border: 2px solid var(--composer-border);
	border-radius: var(--radius-sm);
	background: rgba(0, 0, 0, 0.3);
	cursor: pointer;
	position: relative;
	transition: var(--transition);
}

.checkbox:checked {
	background: var(--accent);
	border-color: var(--accent);
}

.checkbox:checked::after {
	content: '✓';
	position: absolute;
	top: -2px;
	left: 2px;
	color: white;
	font-size: 12px;
	font-weight: bold;
}

/* --- Streaming Cursor --- */
.streaming-cursor {
	display: inline-block;
	width: 2px;
	height: 20px;
	background: var(--accent);
	margin-left: 2px;
	animation: blink 1s infinite;
}

@keyframes blink {
	0%, 50% { opacity: 1; }
	51%, 100% { opacity: 0; }
}

/* --- File Summary --- */
.file-summary {
	background: var(--composer-bg);
	border: 1px solid var(--composer-border);
	border-radius: var(--radius-lg);
	margin: var(--space-sm) 0;
	overflow: hidden;
	backdrop-filter: blur(var(--composer-blur)) saturate(var(--glass-saturate));
	-webkit-backdrop-filter: blur(var(--composer-blur)) saturate(var(--glass-saturate));
}

.file-summary-header {
	display: flex;
	align-items: center;
	padding: var(--space-md) var(--space-lg);
	background: rgba(0, 0, 0, 0.3);
	border-bottom: 1px solid var(--composer-border);
	cursor: pointer;
	user-select: none;
	transition: var(--transition);
}

.file-summary-header:hover {
	background: rgba(255, 255, 255, 0.08);
}

.file-summary-icon {
	margin-right: var(--space-sm);
	font-size: 16px;
	color: var(--theme-text-secondary);
	transition: transform var(--transition);
}

.file-summary.collapsed .file-summary-icon {
	transform: rotate(-90deg);
}

.file-summary-info {
	flex: 1;
	display: flex;
	align-items: center;
	gap: var(--space-md);
}

.file-summary-name {
	font-weight: 600;
	color: var(--accent);
}

.file-summary-stats {
	color: var(--theme-text-secondary);
	font-size: 14px;
}

.file-summary-content {
	max-height: 300px;
	overflow: auto;
	transition: max-height var(--transition-slow);
}

.file-summary.collapsed .file-summary-content {
	max-height: 0;
	overflow: hidden;
}

.file-summary-text {
	padding: var(--space-lg);
	background: transparent;
	color: var(--theme-text-primary);
	font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
	font-size: 13px;
	line-height: 1.4;
	white-space: pre;
	word-break: break-word;
	border: none;
	margin: 0;
	overflow: auto;
}

/* --- Responsive Design --- */
@media (max-width: 480px) {
	.config-section {
		padding: var(--space-sm);
	}

	.chat-messages {
		padding: var(--space-md) var(--space-sm);
	}

	.input-section {
		padding: var(--space-md) var(--space-sm);
	}

	.message-content {
		max-width: 98%;
		font-size: 13px;
		padding: 10px 14px;
	}

	.sidebar {
		position: absolute;
		height: 100%;
		margin-left: calc(-1 * var(--sidebar-width));
		border-right: 1px solid var(--sidebar-glass-stroke);
	}

	.session-controls {
		gap: var(--space-sm);
	}

	.auto-save-indicator {
		font-size: 11px;
	}

	.main-controls {
		flex-wrap: nowrap;
		gap: var(--space-sm);
	}

	.main-controls .model-select {
		width: auto;
		margin-bottom: 0;
		flex-grow: 1;
		min-width: 100px;
		max-width: 150px;
		padding: var(--space-sm);
		font-size: 12px;
		height: 40px;
	}

	.action-buttons-group {
		flex-shrink: 0;
	}

	.action-buttons-group .top-btn,
	.action-buttons-group .streaming-toggle {
		height: 40px;
		padding: var(--space-sm);
	}
}

/* --- Hidden API Key Elements --- */
#apiKeyInput,
#submitKeyBtn,
#apiKeyStatus,
.api-key-container {
	display: none !important;
}