/* ===== 全屏应用布局（覆盖 theme.css 的居中卡片页默认） ===== */
html, body { height: 100%; }
body {
	display: block;
	padding: 0;
	height: 100dvh;	/* 移动端动态视口高度，规避地址栏遮挡 */
	overflow: hidden;
}
#app {
	display: flex;
	flex-direction: column;
	height: 100dvh;
	max-width: 900px;
	margin: 0 auto;
	background: var(--bg);
	transition: margin-right 0.25s;
}

/* ===== 顶栏 ===== */
#topbar {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 10px 12px;
	padding-top: calc(10px + env(safe-area-inset-top));
	background: var(--card);
	border-bottom: 1px solid var(--border-light);
	flex: none;
}
#topbar .title { font-size: 1rem; font-weight: 700; flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#conn-status { display: flex; align-items: center; gap: 5px; font-size: 0.75rem; color: var(--fg-secondary); flex: none; }
#conn-status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
#conn-status.connected .dot { background: var(--success); box-shadow: 0 0 6px var(--success); }
#conn-status.connecting .dot { background: var(--warning); }
#conn-status.disconnected .dot { background: var(--error); }
#topbar button { flex: none; padding: 0.45rem 0.8rem; font-size: 0.8rem; min-height: 36px; }
#task-toggle { background: var(--accent-soft); color: var(--accent-dark); position: relative; }
#task-badge {
	display: none;
	position: absolute;
	top: -6px; right: -6px;
	min-width: 16px; height: 16px;
	border-radius: 8px;
	background: var(--error);
	color: #fff;
	font-size: 0.62rem;
	line-height: 16px;
	text-align: center;
	padding: 0 4px;
}
#conn-btn { background: var(--accent-soft); color: var(--accent-dark); }
#conn-btn.on { background: var(--error-bg); color: var(--error); }

/* ===== 非管理员提示条 ===== */
#admin-tip {
	flex: none;
	padding: 8px 12px;
	font-size: 0.78rem;
	background: var(--error-bg);
	color: var(--error);
	text-align: center;
}

/* ===== 聊天区 ===== */
#chat {
	flex: 1;
	overflow-y: auto;
	padding: 14px 12px;
	-webkit-overflow-scrolling: touch;
}
.msg { margin-bottom: 12px; overflow-wrap: break-word; }
.msg-user {
	margin-left: 15%;
	padding: 0.65rem 0.9rem;
	background: var(--accent-soft);
	border-radius: var(--radius-md) var(--radius-md) 4px var(--radius-md);
	font-size: 0.92rem;
	white-space: pre-wrap;
}
.msg-ai {
	margin-right: 6%;
	padding: 0.75rem 1rem;
	background: var(--card);
	border: 1px solid var(--border-light);
	border-radius: var(--radius-md) var(--radius-md) var(--radius-md) 4px;
	box-shadow: var(--shadow-sm);
	font-size: 0.92rem;
	line-height: 1.65;
}
.msg-ai p { margin: 0.4em 0; }
.msg-ai p:first-child { margin-top: 0; }
.msg-ai p:last-child { margin-bottom: 0; }
.msg-ai pre {
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	padding: 0.6rem;
	overflow-x: auto;
	font-size: 0.8rem;
}
.msg-ai code { font-size: 0.82em; background: var(--accent-soft); border-radius: 4px; padding: 0.1em 0.3em; }
.msg-ai pre code { background: none; padding: 0; }
.msg-ai a { color: var(--accent); }
.msg-ai.streaming::after {
	content: '▌';
	color: var(--accent);
	animation: blink 0.9s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.msg-system, .msg-error { text-align: center; font-size: 0.78rem; color: var(--fg-secondary); }
.msg-error { color: var(--error); }

/* 思考区域：灰色斜体可折叠 */
.msg-reasoning {
	margin-right: 6%;
	border-left: 3px solid var(--border);
	padding: 0.4rem 0.8rem;
	font-size: 0.8rem;
	color: var(--muted);
	font-style: italic;
}
.reasoning-head {
	display: flex;
	align-items: center;
	gap: 6px;
	cursor: pointer;
	user-select: none;
	font-style: normal;
	font-size: 0.75rem;
	color: var(--fg-secondary);
	min-height: 28px;
}
.reasoning-body { white-space: pre-wrap; margin-top: 4px; }
.reasoning-body.folded { display: none; }

/* ===== 输入栏 ===== */
#input-bar {
	display: flex;
	align-items: flex-end;
	gap: 8px;
	padding: 10px 12px;
	padding-bottom: calc(10px + env(safe-area-inset-bottom));
	background: var(--card);
	border-top: 1px solid var(--border-light);
	flex: none;
}
#input {
	flex: 1;
	min-height: 44px;
	max-height: 120px;
	resize: none;
	font-size: 16px;	/* iOS <16px 会聚焦自动缩放 */
	line-height: 1.4;
	padding: 0.65rem 0.9rem;
}
#send-btn { flex: none; min-height: 44px; background: var(--accent); color: #fff; }
#interrupt-btn { flex: none; min-height: 44px; min-width: 44px; padding: 0.45rem 0.7rem; background: var(--error-bg); color: var(--error); }
#send-btn:disabled, #interrupt-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== 任务面板：移动端为抽屉式覆盖层 ===== */
#task-panel {
	position: fixed;
	top: 0; right: 0; bottom: 0;
	width: min(85vw, 340px);
	background: var(--card);
	border-left: 1px solid var(--border-light);
	box-shadow: var(--shadow-md);
	transform: translateX(100%);
	transition: transform 0.25s;
	display: flex;
	flex-direction: column;
	z-index: 100;
	padding-top: env(safe-area-inset-top);
}
#task-panel.open { transform: translateX(0); }
#task-panel header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 12px;
	font-size: 0.9rem;
	font-weight: 600;
	border-bottom: 1px solid var(--border-light);
	flex: none;
}
#task-close { background: none; border: none; font-size: 1.3rem; color: var(--fg-secondary); padding: 4px 8px; min-height: 36px; min-width: 36px; }
#task-list {
	flex: 1;
	overflow-y: auto;
	padding: 10px 12px;
	font-size: 0.78rem;
	line-height: 1.6;
	white-space: pre-wrap;
	overflow-wrap: break-word;
	color: var(--fg-secondary);
}
#backdrop {
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.35);
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.25s;
	z-index: 99;
}
#backdrop.show { opacity: 1; pointer-events: auto; }

/* ===== 桌面端：任务面板固化为右侧栏 ===== */
@media (min-width: 900px) {
	#app { margin-right: 340px; max-width: none; }
	#task-panel { transform: none; box-shadow: none; }
	#task-toggle, #task-close, #backdrop { display: none; }
}