:root {
  --bg: #f4f0e7;
  --bg-accent: #eae2d2;
  --ink: #211d16;
  --muted: #6f675a;
  --brand: #1f4b6e;
  --brand-deep: #14344d;
  --brand-soft: #e4edf5;
  --accent: #c07838;
  --accent-deep: #a5632b;
  --accent-soft: #f8ebda;
  --card: #fffdf8;
  --line: #ddd4c3;
  --line-strong: #c9bda6;
  --ok: #2f6b4f;
  --ok-soft: #def0e5;
  --err: #9b2c2c;
  --err-soft: #f7dede;
  --warn: #8a6a1f;
  --warn-soft: #f6ebcb;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(28, 26, 22, 0.05), 0 4px 12px rgba(28, 26, 22, 0.05);
  --shadow: 0 2px 4px rgba(28, 26, 22, 0.04), 0 14px 34px rgba(28, 26, 22, 0.08);
  --shadow-lg: 0 8px 20px rgba(28, 26, 22, 0.08), 0 28px 56px rgba(28, 26, 22, 0.12);
  --ring: 0 0 0 3px rgba(31, 75, 110, 0.16);
  --font-sans: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: "Georgia", "Songti SC", "SimSun", serif;
  --font-mono: ui-monospace, Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 0%, rgba(192, 120, 56, 0.14), transparent 34%),
    radial-gradient(circle at 95% 12%, rgba(31, 75, 110, 0.1), transparent 30%),
    linear-gradient(180deg, #f8f3e9 0%, var(--bg) 45%, #ece5d8 100%);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: rgba(31, 75, 110, 0.18); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background-color: rgba(31, 75, 110, 0.26);
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background-color: rgba(31, 75, 110, 0.42); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.75); }
}

a { color: var(--brand); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--brand-deep); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(255, 253, 248, 0.82);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--brand-deep);
  letter-spacing: 0.02em;
}
.brand::before {
  content: "墨";
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(140deg, var(--brand-deep) 0%, var(--brand) 55%, var(--accent) 135%);
  color: #fff;
  font-size: 0.95rem;
  box-shadow: 0 3px 8px rgba(20, 52, 77, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  align-items: center;
}
.nav-links a {
  color: var(--muted);
  font-size: 0.93rem;
  padding: 0.42rem 0.9rem;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}
.nav-links a:hover { background: var(--brand-soft); color: var(--brand-deep); }
.nav-links a.active { background: var(--brand); color: #fff; }
.nav-links form { margin-left: 0.4rem; }
.nav-links button.linkish {
  color: var(--muted);
  font-size: 0.88rem;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
  padding: 0.35rem 0.85rem;
  font-family: inherit;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.nav-links button.linkish:hover {
  color: var(--err);
  border-color: var(--err);
  background: var(--err-soft);
}

/* ---------- 布局 ---------- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3.5rem;
}

/* ---------- Hero ---------- */
.hero { padding: 1.2rem 0 0.75rem; animation: fadeUp 0.45s ease both; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--accent-deep);
  background: var(--accent-soft);
  border: 1px solid #ecd9bd;
  padding: 0.28rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 0.9rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.2vw, 2.7rem);
  margin: 0 0 0.55rem;
  color: var(--brand-deep);
  letter-spacing: 0.01em;
}
.hero p { margin: 0; color: var(--muted); max-width: 42rem; line-height: 1.7; }
.hero .btn-row { margin-top: 1.4rem; }

/* ---------- 面板与网格 ---------- */
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-top: 1.25rem;
  animation: fadeUp 0.5s ease both;
}
.panel h2, .panel h3 {
  margin-top: 0;
  font-family: var(--font-display);
  color: var(--brand-deep);
}
.panel h2 { font-size: 1.28rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-top: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 1.25rem; }
.grid-2 > .panel, .grid-3 > .panel, .grid-3 > .stat { margin-top: 0; }
.grid-2 > *, .grid-3 > * { animation: fadeUp 0.5s ease both; }
.grid-2 > *:nth-child(2), .grid-3 > *:nth-child(2) { animation-delay: 0.08s; }
.grid-3 > *:nth-child(3) { animation-delay: 0.16s; }

/* ---------- 统计卡片 ---------- */
.stat {
  position: relative;
  background: linear-gradient(165deg, #fffdf8 0%, #f5eee0 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem 1.15rem 1.5rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.25s ease;
}
.stat::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--brand), var(--accent));
}
.stat:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat .label { color: var(--muted); font-size: 0.82rem; letter-spacing: 0.04em; }
.stat .value {
  font-size: 1.65rem;
  font-weight: 700;
  margin-top: 0.3rem;
  color: var(--brand-deep);
  font-variant-numeric: tabular-nums;
}

/* ---------- 功能卡片（首页） ---------- */
.features { margin-top: 1.5rem; }
.feature-card {
  position: relative;
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  color: var(--ink);
  transition: transform 0.18s ease, box-shadow 0.25s ease, border-color 0.2s ease;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  opacity: 0;
  transition: opacity 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--line-strong);
  color: var(--ink);
}
.feature-card:hover::before { opacity: 1; }
.feature-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent);
}
.feature-card h3 {
  margin: 0.45rem 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--brand-deep);
}
.feature-card p { margin: 0; color: var(--muted); font-size: 0.9rem; line-height: 1.65; }

/* ---------- 表单 ---------- */
label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.4rem;
}
input[type="text"],
input[type="password"],
input[type="url"],
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.68rem 0.9rem;
  font: inherit;
  background: #fff;
  color: var(--ink);
  transition: border-color 0.15s ease, box-shadow 0.2s ease, background 0.15s ease;
}
input:hover, select:hover, textarea:hover { border-color: #b3a586; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: var(--ring);
}
input:disabled { background: var(--bg-accent); color: var(--muted); cursor: not-allowed; }
textarea { min-height: 220px; resize: vertical; line-height: 1.6; }
.field { margin-bottom: 1.1rem; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.68rem 1.35rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(165deg, #2b618a 0%, var(--brand) 60%);
  box-shadow: 0 2px 5px rgba(20, 52, 77, 0.25), 0 8px 18px rgba(31, 75, 110, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transition: transform 0.15s ease, box-shadow 0.25s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover {
  background: linear-gradient(165deg, var(--brand) 0%, var(--brand-deep) 70%);
  transform: translateY(-1px);
  color: #fff;
  box-shadow: 0 3px 7px rgba(20, 52, 77, 0.28), 0 12px 24px rgba(31, 75, 110, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}
.btn:active { transform: translateY(0) scale(0.98); }
.btn:focus-visible { outline: none; box-shadow: var(--shadow-sm), var(--ring); }
.btn.secondary {
  background: var(--card);
  color: var(--brand);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
}
.btn.secondary:hover {
  background: var(--brand-soft);
  border-color: var(--brand);
  color: var(--brand-deep);
}
.btn.accent {
  background: linear-gradient(165deg, #d18c48 0%, var(--accent) 60%);
  box-shadow: 0 2px 5px rgba(165, 99, 43, 0.28), 0 8px 18px rgba(192, 120, 56, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.btn.accent:hover { background: linear-gradient(165deg, var(--accent) 0%, var(--accent-deep) 70%); }
.btn:disabled,
.btn:disabled:hover {
  background: #c8c4bc;
  color: #f7f5f0;
  border-color: transparent;
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
  pointer-events: none;
}
.btn-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.1rem; align-items: center; }

/* ---------- 表格 ---------- */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.table th {
  text-align: left;
  padding: 0.55rem 0.6rem;
  border-bottom: 2px solid var(--line);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.table td {
  padding: 0.72rem 0.6rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.table tbody tr { transition: background 0.15s ease; }
.table tbody tr:hover { background: #faf5ea; }
.table tbody tr:last-child td { border-bottom: none; }
.table td a { font-weight: 600; white-space: nowrap; }

/* ---------- 徽章 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--bg-accent);
  color: var(--muted);
  white-space: nowrap;
}
.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.75;
}
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.err { background: var(--err-soft); color: var(--err); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.run { background: var(--brand-soft); color: var(--brand); }
.badge.run::before { animation: pulse 1.2s ease-in-out infinite; }

/* ---------- 提示条 ---------- */
.alert {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-left-width: 4px;
}
.alert.ok { background: var(--ok-soft); color: var(--ok); border-color: #bfe0cd; border-left-color: var(--ok); }
.alert.err { background: var(--err-soft); color: var(--err); border-color: #ecc9c9; border-left-color: var(--err); }
.alert.warn { background: var(--warn-soft); color: var(--warn); border-color: #eadfae; border-left-color: var(--warn); }
.alert a { color: inherit; font-weight: 600; text-decoration: underline; }

/* ---------- 分段 Tabs ---------- */
.tabs {
  display: inline-flex;
  gap: 0.25rem;
  flex-wrap: nowrap;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
  margin-bottom: 1.25rem;
  padding: 0.3rem;
  background: var(--bg-accent);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  border: none;
  background: transparent;
  border-radius: 999px;
  padding: 0.5rem 1.05rem;
  cursor: pointer;
  color: var(--muted);
  font: inherit;
  font-size: 0.92rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.15s ease, background 0.18s ease, box-shadow 0.18s ease;
}
.tab:hover { color: var(--brand-deep); }
.tab:focus-visible { outline: none; box-shadow: var(--ring); }
.tab.active {
  background: var(--card);
  color: var(--brand-deep);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* ---------- 登录页 ---------- */
.login-wrap {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  overflow: hidden;
}
.login-wrap::before,
.login-wrap::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
}
.login-wrap::before { width: 420px; height: 420px; background: #e8c9a0; top: -120px; left: -100px; }
.login-wrap::after { width: 380px; height: 380px; background: #b9cfe2; bottom: -120px; right: -80px; }
.login-card {
  position: relative;
  z-index: 1;
  width: min(430px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 2.4rem 2.2rem 2.2rem;
  overflow: hidden;
  animation: fadeUp 0.5s ease both;
}
.login-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--brand-deep), var(--brand), var(--accent));
}
.login-brand { text-align: center; margin-bottom: 1.8rem; }
.login-logo {
  display: inline-grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(140deg, var(--brand-deep), var(--brand) 55%, var(--accent) 135%);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(20, 52, 77, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  margin-bottom: 0.9rem;
}
.login-card h1 {
  font-family: var(--font-display);
  margin: 0 0 0.3rem;
  color: var(--brand-deep);
  text-align: center;
  font-size: 1.7rem;
}
.login-card .sub { color: var(--muted); margin: 0; text-align: center; font-size: 0.9rem; }
.login-card form .btn { width: 100%; margin-top: 0.4rem; }

/* ---------- 编辑 / 预览 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.25rem;
  align-items: start;
}
.split > .panel { margin-top: 0; }
.preview-box {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 1.1rem;
  max-height: 70vh;
  overflow: auto;
  box-shadow: inset 0 2px 8px rgba(28, 26, 22, 0.04);
}
.preview-box img { max-width: 100%; height: auto; }
.iframe-preview {
  width: 100%;
  min-height: 72vh;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  box-shadow: inset 0 2px 8px rgba(28, 26, 22, 0.04);
  margin-top: 1rem;
}

/* ---------- 任务状态 ---------- */
.job-status {
  padding: 0.9rem 1.15rem;
  border-radius: var(--radius-sm);
  background: var(--brand-soft);
  border: 1px solid #cdddee;
  border-left: 4px solid var(--brand);
  color: var(--brand-deep);
  margin-top: 1.25rem;
}
.job-status.error { background: var(--err-soft); border-color: #ecc9c9; border-left-color: var(--err); color: var(--err); }
.job-status.ok { background: var(--ok-soft); border-color: #bfe0cd; border-left-color: var(--ok); color: var(--ok); }

.muted { color: var(--muted); }
.mono { font-family: var(--font-mono); font-size: 0.86rem; }

/* ---------- Agent 横幅 ---------- */
.agent-banner-host:empty { display: none; }
.agent-banner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.7rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  background: linear-gradient(90deg, #e9f1f9, #fdf3e4);
}
.agent-banner-main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  min-width: 0;
}
.agent-banner-msg {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: min(520px, 70vw);
}
.agent-banner .btn { padding: 0.45rem 0.95rem; font-size: 0.9rem; }

/* ---------- 文章编辑 Hero ---------- */
.edit-hero { padding: 0.6rem 0 0; }
.hero-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-title-display {
  margin: 0;
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.5rem;
  margin-left: -0.5rem;
  transition: background 0.15s ease;
}
.hero-title-display:hover { background: rgba(255, 253, 248, 0.75); }
.hero-title-form {
  display: flex;
  flex: 1 1 100%;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-title-form[hidden] { display: none !important; }
.hero-title-input {
  flex: 1 1 260px;
  border: none;
  background: transparent;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--brand-deep);
  padding: 0.25rem 0.5rem;
  margin-left: -0.5rem;
  min-width: 0;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease, box-shadow 0.2s ease;
}
.hero-title-input:hover { background: rgba(255, 253, 248, 0.75); }
.hero-title-input:focus { outline: none; background: var(--card); box-shadow: var(--ring); }
textarea.hero-title-input {
  width: 100%;
  min-height: 0;
  resize: none;
  overflow: hidden;
  line-height: 1.3;
  word-break: break-word;
}
textarea.hero-title-input:disabled { background: transparent; color: var(--brand-deep); }
.field .alert { margin: 0.6rem 0 0; }
.hero-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.hero-meta {
  margin: 0.45rem 0 0;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.95rem;
  padding-bottom: 0.95rem;
  border-bottom: 1px solid var(--line);
}
.panel-head h2 { margin: 0; }
.card-actions { margin-top: 0; }

.editor-split { align-items: stretch; }
.editor-pane { display: flex; flex-direction: column; }
.field-stretch { flex: 1; display: flex; flex-direction: column; margin-bottom: 0; }
.markdown-editor {
  flex: 1;
  min-height: 520px;
  height: 100%;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.7;
  background: #fdfbf5;
}
.editor-preview { flex: 1; min-height: 520px; max-height: none; }
.editor-mobile-tabs { display: none; }

/* ---------- 任务实时日志 ---------- */
.job-live-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  align-items: flex-start;
}
.agent-log {
  background: #26221b;
  color: #eae3d4;
  border: 1px solid #171410;
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  max-height: 55vh;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  margin: 0;
}
.agent-log.compact { max-height: 220px; margin-top: 0.75rem; }
.job-live.is-failed .agent-log { box-shadow: inset 0 0 0 1px rgba(155, 44, 44, 0.5); }
.job-live.is-ok .agent-log { box-shadow: inset 0 0 0 1px rgba(47, 107, 79, 0.5); }

@media (max-width: 860px) {
  .grid-2, .grid-3, .split { grid-template-columns: 1fr; }
  .nav { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
  .nav-links form { margin-left: 0; }
  .container { padding: 1.25rem 1rem 2.5rem; }
  .panel { padding: 1.15rem; }
  .tabs { display: flex; width: 100%; }
  .tab { flex: 1 1 0; padding: 0.5rem 0.35rem; font-size: 0.82rem; text-align: center; }
  .agent-banner-msg { white-space: normal; }

  .editor-mobile-tabs {
    display: flex;
    gap: 0.5rem;
    margin: 0.5rem 0 1rem;
  }
  .editor-split { display: block; }
  .editor-pane { display: none; }
  .editor-pane.is-active { display: flex; }
  .markdown-editor, .editor-preview { min-height: 60vh; }
}