/* ============================================================
   tokens
   ============================================================ */
:root {
  /* 品牌：brand 只做图形/装饰；交互与文字用 brand-ink（白字 5.18:1） */
  --brand: #e64a19;
  --brand-ink: #c2410c;
  --brand-ink-hover: #9a3412;
  --brand-surface: #fff7ed;
  --brand-border: #fed7aa;

  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-alt: #fafafa;
  --text: #16181d;
  --text-2: #3f4653;
  --muted: #5b6472;
  --border: #e4e7ec;
  --border-strong: #d0d5dd;

  --ok: #15803d;
  --ok-surface: #f0fdf4;
  --ok-border: #bbf7d0;
  --warn: #b45309;
  --warn-surface: #fffbeb;
  --warn-border: #fde68a;
  --danger: #b91c1c;
  --danger-surface: #fef2f2;
  --danger-border: #fecaca;
  --info: #1d4ed8;
  --info-surface: #eff6ff;
  --info-border: #bfdbfe;

  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 24px;
  --s6: 32px;
  --s7: 48px;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-pill: 999px;
  --shadow-1: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-2: 0 4px 12px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.04);
  --dur-1: 120ms;
  --dur-2: 200ms;
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  --ring: 0 0 0 3px rgba(194, 65, 12, 0.25);

  --fs-xs: 12px;
  --fs-sm: 13px;
  --fs-base: 15px;
  --fs-lg: 17px;
  --fs-xl: 20px;
  --fs-2xl: 28px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* 旧变量名保留，避免残留引用失效 */
  --primary: var(--brand-ink);
  --primary-dark: var(--brand-ink-hover);
  --green: var(--ok);
  --orange: var(--warn);
  --red: var(--danger);
  --radius: var(--r-lg);
  --shadow: var(--shadow-2);
}

/* ============================================================
   base
   ============================================================ */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: var(--fs-base) / 1.65 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--brand-ink); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
h1, h2, h3, h4, p, ul, ol { margin: 0; }
ul, ol { padding: 0; }
svg.icon { flex: none; width: 18px; height: 18px; }

.skip-link {
  position: fixed;
  left: 12px;
  top: -64px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-2);
  transition: top var(--dur-2) var(--ease);
}
.skip-link:focus { top: 12px; text-decoration: none; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.is-hidden { display: none !important; }

:focus-visible { outline: 2px solid var(--brand-ink); outline-offset: 2px; }

/* ============================================================
   topbar
   ============================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--s5);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--text);
  font-size: var(--fs-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--brand);
  color: #fff;
  box-shadow: 0 2px 6px rgba(230, 74, 25, 0.28);
}
.brand-mark svg { width: 16px; height: 16px; }
.brand-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-sep { color: var(--brand); font-weight: 600; margin: 0 2px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: none;
  font-size: var(--fs-sm);
}
.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 var(--s3);
  border-radius: var(--r-sm);
  color: var(--text-2);
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}
.nav-links a:hover { background: #f1f2f4; color: var(--text); text-decoration: none; }
.nav-links a[aria-current="page"] {
  background: var(--brand-surface);
  color: var(--brand-ink);
  font-weight: 600;
}
.nav-links a[hidden] { display: none; }
.nav-user {
  padding: 0 var(--s2);
  color: var(--muted);
  font-size: var(--fs-xs);
  white-space: nowrap;
}
.nav-user:empty { display: none; }

/* ============================================================
   layout
   ============================================================ */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--s6) var(--s5) var(--s7);
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
  padding: var(--s5);
  margin-bottom: var(--s4);
}
.card h2 {
  margin-bottom: 2px;
  font-size: var(--fs-xl);
  line-height: 1.35;
  letter-spacing: -0.01em;
}
.card h3 {
  margin-bottom: var(--s3);
  font-size: var(--fs-lg);
  line-height: 1.4;
}
.card p.muted { margin-top: var(--s1); }
.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s4);
  flex-wrap: wrap;
  margin-bottom: var(--s2);
}
.card-head-main { min-width: 0; }
.card-head + .form-row { margin-top: var(--s4); }
.muted { color: var(--muted); }
.error-text { color: var(--danger); }
.ok-text { color: var(--ok); }
.warn-text { color: var(--warn); }
.small { font-size: var(--fs-sm); }
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.hint { margin-top: var(--s2); }
.footer-note { margin-top: var(--s2); }
.doc-url { overflow-wrap: anywhere; }
.ai-section { margin-top: var(--s4); }
.msg-line { margin-top: var(--s2); }
.msg-line:empty { display: none; }
.value-line { display: flex; align-items: center; gap: var(--s2); }
.value-line .value { font-size: var(--fs-xl); }

/* ============================================================
   forms
   ============================================================ */
.form-row { display: flex; gap: var(--s3); margin-top: var(--s4); }
.form-error { margin-top: var(--s2); }
.form-error:empty { display: none; }

.ai-options {
  margin-top: var(--s4);
  padding: var(--s4);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--panel-alt);
}
.check-row {
  display: flex;
  align-items: center;
  gap: var(--s2);
  min-height: 44px;
  font-size: var(--fs-base);
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}
.check-row input { width: 18px; height: 18px; accent-color: var(--brand-ink); }
textarea {
  width: 100%;
  min-height: 82px;
  margin-top: var(--s2);
  padding: 11px 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  background: #fff;
  color: inherit;
  font: inherit;
  font-size: var(--fs-sm);
  line-height: 1.65;
  resize: vertical;
  transition: border-color var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}
textarea:focus {
  outline: none;
  border-color: var(--brand-ink);
  box-shadow: var(--ring);
}
textarea:disabled { background: #f2f3f5; color: #9aa1ac; }
.ai-meta {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s3);
  margin-top: var(--s2);
}
.ai-meta p { max-width: 62ch; }
.ai-count { flex: none; font-variant-numeric: tabular-nums; }

input[type="text"],
input[type="url"],
input[type="password"] {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  background: #fff;
  color: inherit;
  font: inherit;
  font-size: var(--fs-base);
  transition: border-color var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}
input::placeholder,
textarea::placeholder { color: #8b93a1; }
input:not([type="checkbox"]):focus {
  outline: none;
  border-color: var(--brand-ink);
  box-shadow: var(--ring);
}

/* ============================================================
   buttons
   ============================================================ */
button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: var(--fs-base);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease),
    color var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}
button:hover,
.btn:hover { background: #f5f6f8; text-decoration: none; }
button.primary,
.btn.primary {
  background: var(--brand-ink);
  border-color: var(--brand-ink);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(154, 52, 18, 0.18);
}
button.primary:hover,
.btn.primary:hover { background: var(--brand-ink-hover); border-color: var(--brand-ink-hover); }
button.danger {
  color: var(--danger);
  border-color: var(--danger-border);
  background: #fff;
}
button.danger:hover { background: var(--danger-surface); }
button:focus-visible,
.btn:focus-visible,
button.primary:focus-visible,
.btn.primary:focus-visible,
button.danger:focus-visible {
  outline: none;
  border-color: var(--brand-ink);
  box-shadow: var(--ring);
}
button:disabled { opacity: 0.55; cursor: not-allowed; }
button.small-btn {
  min-height: 34px;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
}
.button-link { display: inline-flex; text-decoration: none; }
.button-link:hover { text-decoration: none; }
.btn .icon,
button .icon { margin-left: -2px; }
.actions {
  display: flex;
  gap: var(--s2);
  flex-wrap: wrap;
  margin-top: var(--s4);
}

/* ============================================================
   badges & status
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px 3px 8px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  background: #f1f2f4;
  color: #444b57;
  font-size: var(--fs-xs);
  font-weight: 600;
  line-height: 1.6;
  white-space: nowrap;
}
.badge-running {
  background: var(--brand-surface);
  border-color: var(--brand-border);
  color: var(--brand-ink);
}
.badge-done {
  background: var(--ok-surface);
  border-color: var(--ok-border);
  color: var(--ok);
}
.badge-failed {
  background: var(--danger-surface);
  border-color: var(--danger-border);
  color: var(--danger);
}
.badge-needs_login {
  background: var(--warn-surface);
  border-color: var(--warn-border);
  color: var(--warn);
}
.badge-canceled { background: #f1f2f4; color: #5b6472; }

.status-dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.status-dot[data-state="running"] {
  background: var(--brand);
  animation: pulse 1.6s var(--ease) infinite;
}
.status-dot[data-state="queued"] { background: #64748b; }
.status-dot[data-state="needs_login"] { background: #d97706; }
.status-dot[data-state="done"] { background: var(--ok); }
.status-dot[data-state="failed"] { background: var(--danger); }
.status-dot[data-state="canceled"] { background: #94a3b8; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.32; }
}

/* ============================================================
   task list
   ============================================================ */
.task-list { list-style: none; margin: var(--s3) 0 0; }
.task-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--border);
}
.task-list li:last-child { border-bottom: 0; }
.task-list li.empty {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  padding: var(--s6) var(--s4);
  border-bottom: 0;
  text-align: center;
  color: var(--muted);
}
.task-main { min-width: 0; }
.task-title { font-size: var(--fs-base); font-weight: 600; }
.task-title a { color: var(--text); }
.task-title a:hover { color: var(--brand-ink); }
.task-meta { margin-top: 2px; color: var(--muted); font-size: var(--fs-sm); }
.task-row-end {
  display: flex;
  flex: none;
  align-items: center;
  gap: var(--s3);
}
.row-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 44px;
  padding: 0 4px;
  color: var(--brand-ink);
  font-size: var(--fs-sm);
}
.row-link .icon { width: 15px; height: 15px; transition: transform var(--dur-1) var(--ease); }
.row-link:hover .icon { transform: translateX(2px); }

/* skeleton & empty */
.skeleton {
  border-radius: var(--r-sm);
  background: linear-gradient(90deg, #eceef2 25%, #f6f7f9 37%, #eceef2 63%);
  background-size: 400% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}
.skeleton-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--border);
}
.skeleton-row:last-child { border-bottom: 0; }
.skeleton-stack { display: flex; flex: 1; flex-direction: column; gap: var(--s2); }
.sk-title { width: min(360px, 55%); height: 14px; }
.sk-meta { width: min(280px, 40%); height: 12px; }
.sk-badge { flex: none; width: 76px; height: 22px; border-radius: var(--r-pill); }
@keyframes shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: 0 0; }
}
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s2);
  color: var(--muted);
}
.empty .icon { width: 28px; height: 28px; color: var(--border-strong); }
.empty-title { color: var(--text-2); font-weight: 600; }

/* ============================================================
   progress & timeline
   ============================================================ */
.progress {
  height: 6px;
  margin: var(--s4) 0 var(--s2);
  border-radius: var(--r-pill);
  background: #eceef2;
  overflow: hidden;
}
.progress > div {
  height: 100%;
  border-radius: inherit;
  background: var(--brand);
  transition: width var(--dur-2) var(--ease);
}

.timeline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: var(--s5) 0 var(--s4);
}
.step {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 26px;
  padding: 0 var(--s3) 0 34px;
  color: var(--muted);
  font-size: var(--fs-sm);
  line-height: 1.4;
}
.step::before {
  content: attr(data-step);
  position: absolute;
  left: 0;
  top: 50%;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  transform: translateY(-50%);
  border: 1.5px solid var(--border-strong);
  border-radius: 50%;
  background: #fff;
  color: var(--muted);
  font-size: var(--fs-xs);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.step::after {
  content: "";
  position: absolute;
  left: 28px;
  right: 6px;
  top: 50%;
  z-index: 0;
  height: 1.5px;
  transform: translateY(-50%);
  background: #c5ccd7;
}
.step:last-child::after { display: none; }
.step.active { color: var(--brand-ink); font-weight: 600; }
.step.active::before {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
  box-shadow: 0 0 0 4px var(--brand-surface);
}
.step.done { color: var(--ok); font-weight: 600; }
.step.done::before {
  border-color: var(--ok);
  background: var(--ok);
  color: #fff;
}
.step.done::after { background: var(--ok-border); }

/* ============================================================
   log
   ============================================================ */
.log {
  height: min(320px, 42dvh);
  padding: var(--s3) var(--s4);
  border: 1px solid #1c2436;
  border-radius: var(--r-md);
  background: #0b1020;
  color: #c7d0de;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.log .line { white-space: pre-wrap; word-break: break-word; }
.log .time {
  margin-right: 8px;
  color: #94a3b8;
  font-variant-numeric: tabular-nums;
}
.log .warn { color: #fbbf24; }
.log .error { color: #f87171; }

/* ============================================================
   banner
   ============================================================ */
.banner {
  display: flex;
  align-items: flex-start;
  gap: var(--s2);
  margin: var(--s4) 0;
  padding: var(--s3) var(--s4);
  border: 1px solid;
  border-left-width: 4px;
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  line-height: 1.6;
}
.banner .icon { width: 18px; height: 18px; margin-top: 1px; }
.banner strong { font-weight: 700; }
.banner.warn {
  border-color: var(--warn-border);
  border-left-color: #d97706;
  background: var(--warn-surface);
  color: #92400e;
}
.banner.ok {
  border-color: var(--ok-border);
  border-left-color: #16a34a;
  background: var(--ok-surface);
  color: #166534;
}
.banner.error {
  border-color: var(--danger-border);
  border-left-color: #dc2626;
  background: var(--danger-surface);
  color: #991b1b;
}
.banner.notice { margin-top: var(--s4); }

/* ============================================================
   stats
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s3);
  margin: var(--s4) 0;
}
.stats.two { grid-template-columns: repeat(2, 1fr); }
.stat {
  padding: var(--s3) var(--s4);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--panel-alt);
}
.stat .value {
  font-size: var(--fs-2xl);
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.stat .label {
  color: var(--muted);
  font-size: var(--fs-xs);
  letter-spacing: 0.02em;
}
.stat .value + .label { margin-top: 2px; }
.stat .label + .value { margin-top: 2px; }
.stat .value.value-sm {
  font-size: var(--fs-sm);
  font-weight: 500;
  line-height: 1.5;
  word-break: break-all;
}
.stat.key {
  border-color: var(--brand-border);
  background: var(--brand-surface);
}
.stat.key .value { color: var(--brand-ink); }
.stat.key .label { color: #9a3412; }

/* ============================================================
   result page
   ============================================================ */
.page-grid { display: grid; grid-template-columns: 1fr; gap: var(--s3); }
.page-card {
  padding: var(--s4);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: #fff;
  transition: border-color var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}
.page-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-1); }
.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  flex-wrap: wrap;
}
.page-title {
  display: flex;
  align-items: center;
  gap: var(--s2);
  min-width: 0;
  font-weight: 600;
}
.page-title span:last-child { overflow-wrap: anywhere; }
.page-no {
  display: inline-grid;
  place-items: center;
  flex: none;
  min-width: 26px;
  height: 26px;
  padding: 0 8px;
  border-radius: var(--r-sm);
  background: var(--brand-surface);
  color: var(--brand-ink);
  font-size: var(--fs-xs);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.page-meta {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  overflow-wrap: anywhere;
}
.page-card .links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
  margin-top: var(--s3);
  font-size: var(--fs-sm);
}
.link-out {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 32px;
}
.link-out .icon { width: 14px; height: 14px; color: var(--muted); }

.plan-grid { display: grid; grid-template-columns: 1fr; gap: var(--s5); margin-top: var(--s3); }
.group-title {
  margin-bottom: var(--s2);
  color: var(--muted);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
}
.rule-list { list-style: none; font-size: var(--fs-sm); }
.rule-list li { padding: 7px 0; border-bottom: 1px solid var(--border); }
.rule-list li:last-child { border-bottom: 0; }

/* ============================================================
   modal
   ============================================================ */
.modal-mask {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s5);
  background: rgba(16, 24, 40, 0.45);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.modal {
  width: 100%;
  max-width: 390px;
  padding: var(--s5);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: 0 24px 48px rgba(16, 24, 40, 0.22);
}
.modal h2 { font-size: var(--fs-lg); letter-spacing: -0.01em; }
.modal p.muted { margin-top: var(--s1); font-size: var(--fs-sm); }
.login-action { display: flex; width: 100%; justify-content: center; margin-top: var(--s4); }
.login-error { margin-top: var(--s2); font-size: var(--fs-sm); }
.login-error:empty { display: none; }

/* ============================================================
   kv / qr
   ============================================================ */
.kv {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: var(--s2) var(--s4);
  font-size: var(--fs-sm);
}
.kv .k { color: var(--muted); }
.kv.rows { gap: 0; }
.kv.rows > div {
  min-width: 0;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  overflow-wrap: anywhere;
}
.kv.rows > div:nth-last-child(-n + 2) { border-bottom: 0; }

.qr-box {
  display: grid;
  place-items: center;
  min-height: 280px;
  padding: var(--s4);
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-md);
  background: var(--panel-alt);
  text-align: center;
}
.qr-box img {
  display: block;
  width: 260px;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: #fff;
}

/* ============================================================
   responsive
   ============================================================ */
@media (min-width: 720px) {
  .plan-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  .page-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .container { padding: var(--s4) var(--s3) var(--s6); }
  .card { padding: var(--s4); border-radius: var(--r-md); }
  .form-row { flex-direction: column; }
  .form-row button { width: 100%; }
  .timeline { grid-template-columns: 1fr; gap: var(--s3); margin-bottom: var(--s3); }
  .step { align-items: flex-start; padding-left: 34px; }
  .step::before { top: 0; transform: none; }
  .step::after {
    left: 11px;
    right: auto;
    top: 26px;
    bottom: -14px;
    width: 2px;
    height: auto;
    transform: none;
  }
  .stats, .stats.two { grid-template-columns: repeat(2, 1fr); }
  .task-list li { flex-direction: column; align-items: flex-start; gap: var(--s2); }
  .task-row-end { width: 100%; justify-content: space-between; }
  .ai-meta { flex-direction: column; align-items: flex-start; }
  .kv { grid-template-columns: 110px 1fr; }
}
@media (max-width: 480px) {
  .topbar-inner { height: 52px; padding: 0 var(--s3); gap: var(--s2); }
  .brand { gap: var(--s2); font-size: var(--fs-base); }
  .brand-mark { width: 24px; height: 24px; border-radius: 8px; }
  .brand-mark svg { width: 14px; height: 14px; }
  .nav-links { gap: 0; font-size: var(--fs-xs); }
  .nav-links .nav-optional { display: none; }
  .nav-links a { min-height: 44px; padding: 0 var(--s2); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats.two { grid-template-columns: 1fr; }
  .ai-meta { align-items: stretch; }
  .ai-count { align-self: flex-end; }
  .stat .value { font-size: 24px; }
  .actions { flex-direction: column; }
  .actions > .btn,
  .actions > button,
  .actions > a { width: 100%; }
  .actions > a { display: flex; }
  .modal-mask { align-items: flex-end; padding: 0; }
  .modal {
    max-width: none;
    border-bottom: 0;
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    padding-bottom: calc(var(--s5) + env(safe-area-inset-bottom));
  }
  .kv { grid-template-columns: 1fr; gap: 2px var(--s4); }
  .kv .k { margin-top: var(--s2); }
  .kv.rows > div { border-bottom: 0; padding: 2px 0; }
  .kv.rows > div.k {
    margin-top: var(--s2);
    padding-top: var(--s3);
    border-top: 1px solid var(--border);
  }
  .kv.rows > div.k:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}