:root {
  --paper: #f4f1e8;
  --paper-deep: #ece7d9;
  --surface: #fffdf8;
  --ink: #1a2b24;
  --muted: #5d6a63;
  --faint: #8b948e;
  --line: rgba(26, 43, 36, 0.14);
  --accent: #173c33;
  --accent-deep: #0e2b24;
  --signal: #d9eb75;
  --signal-soft: rgba(217, 235, 117, 0.34);
  --clay: #b65e40;
  --danger: #a84a35;
  --success: #2c6b4e;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 22px 60px rgba(22, 39, 32, 0.08);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  --serif: "Songti SC", "Noto Serif SC", "STSong", "SimSun", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 92% 2%, rgba(217, 235, 117, 0.3), transparent 26rem),
    radial-gradient(circle at 0% 34%, rgba(255, 253, 248, 0.95), transparent 30rem),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }
code {
  padding: 0.1em 0.35em;
  border: 1px solid rgba(26, 43, 36, 0.1);
  border-radius: 5px;
  background: rgba(255, 253, 248, 0.72);
  font-family: var(--mono);
  font-size: 0.84em;
  overflow-wrap: anywhere;
}
::selection { background: var(--signal); color: var(--ink); }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}
.skip-link:focus { top: 16px; }
:focus-visible { outline: 2px solid var(--clay); outline-offset: 3px; }

.is-hidden { display: none !important; }

.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(244, 241, 232, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.topbar-inner,
.footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}
.topbar-inner {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand img {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  box-shadow: 0 8px 18px rgba(23, 60, 51, 0.16);
}
.brand-words { display: flex; flex-direction: column; line-height: 1.2; }
.brand-words strong { font-size: 18px; letter-spacing: 0.02em; }
.brand-words small {
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
}
.topbar-actions { display: flex; align-items: center; gap: 20px; }
.local-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}
.local-badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(44, 107, 78, 0.12);
}
.top-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.top-link:hover { color: var(--clay); }

.shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
  padding-bottom: 72px;
}
.hero { max-width: 900px; padding: 76px 0 52px; }
.eyebrow,
.kicker {
  margin: 0 0 14px;
  color: var(--clay);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(217, 235, 117, 0.25);
  vertical-align: 1px;
}
.hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.4rem, 6.8vw, 5.8rem);
  font-weight: 700;
  letter-spacing: -0.065em;
  line-height: 1.04;
}
.hero h1 mark {
  background: linear-gradient(transparent 58%, var(--signal) 58%);
  color: inherit;
  padding: 0 0.05em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.lede {
  max-width: 720px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.9);
  box-shadow: var(--shadow);
}
.setup {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 440px);
  gap: 38px 54px;
  padding: 42px;
}
.setup-copy h2,
.panel-head h2,
.info-panel h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.04em;
  line-height: 1.15;
}
.setup-copy > p:not(.kicker) {
  max-width: 570px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.connect-steps {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.connect-steps li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}
.connect-steps li span {
  color: var(--clay);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}
.connect-steps strong { color: var(--ink); }

.connect-form {
  align-self: start;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(244, 241, 232, 0.5);
}
.field { display: grid; gap: 8px; min-width: 0; }
.field > span {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
}
.field small {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.04em;
}
.field input {
  width: 100%;
  min-height: 46px;
  padding: 10px 13px;
  border: 1px solid rgba(26, 43, 36, 0.2);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.field input::placeholder { color: #a3aaa4; }
.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(23, 60, 51, 0.1);
}
.field-row {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 12px;
  margin-top: 16px;
}
.connect-form > .field + .field-row { margin-top: 16px; }
.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 20px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}
.button:hover:not(:disabled) { transform: translateY(-1px); }
.button:active:not(:disabled) { transform: translateY(0); }
.button-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 18px rgba(23, 60, 51, 0.18);
}
.button-primary:hover:not(:disabled) { background: var(--accent-deep); }
.button:disabled { cursor: not-allowed; opacity: 0.46; }
.token-link {
  color: var(--muted);
  font-size: 11px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.token-link:hover { color: var(--clay); }
.form-error {
  min-height: 1.7em;
  margin: 12px 0 0;
  color: var(--danger);
  font-size: 12px;
  line-height: 1.6;
}
.token-note {
  grid-column: 1 / -1;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  border-radius: 14px;
  background: var(--accent);
  color: rgba(255, 255, 255, 0.82);
}
.token-note strong { color: #fff; font-size: 12px; }
.token-note p { margin: 4px 0 0; font-size: 12px; line-height: 1.8; }
.token-note code {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: var(--signal);
}
.note-mark {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 13px;
  font-style: italic;
}

.dashboard { margin-top: 4px; }
.connection-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line);
}
.connection-main,
.connection-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.connection-main { font-size: 12px; overflow-wrap: anywhere; }
.connection-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(44, 107, 78, 0.12);
}
.connection-sep { color: var(--faint); }
.connection-note {
  margin-left: 4px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.05em;
}
.text-button {
  padding: 2px 0;
  border: 0;
  background: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
}
.text-button:hover { color: var(--ink); text-decoration-color: currentColor; }
.text-button-danger:hover { color: var(--danger); }
.text-button:disabled { cursor: not-allowed; opacity: 0.4; }

.stats-grid {
  display: grid;
  grid-template-columns: 0.72fr 0.72fr 1.56fr;
  gap: 14px;
  margin-bottom: 22px;
}
.stat-card {
  min-height: 124px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: rgba(255, 253, 248, 0.68);
}
.stat-card-ink {
  border-color: transparent;
  background: var(--accent);
  color: #fff;
}
.stat-label {
  display: block;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
}
.stat-card-ink .stat-label { color: rgba(255, 255, 255, 0.56); }
.stat-card strong {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--serif);
  font-size: 3rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.06em;
}
.stat-card-ink strong { color: var(--signal); }
.stat-card-wide strong { font-size: 2rem; letter-spacing: -0.03em; }
.stat-unit { margin-left: 5px; color: var(--muted); font-size: 11px; }
.stat-card-ink .stat-unit { color: rgba(255, 255, 255, 0.62); }

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  align-items: start;
  gap: 22px;
}
.upload-panel { padding: 28px; }
.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.panel-head.compact { margin-bottom: 12px; }
.panel-head .kicker { margin-bottom: 8px; }
.panel-head h2 { font-size: 1.9rem; }
.limit-note {
  flex: 0 0 auto;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 242px;
  padding: 28px;
  border: 1.5px dashed rgba(26, 43, 36, 0.25);
  border-radius: 16px;
  background:
    radial-gradient(circle at 50% 20%, rgba(217, 235, 117, 0.14), transparent 14rem),
    rgba(244, 241, 232, 0.52);
  text-align: center;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}
.dropzone:hover,
.dropzone.is-dragging {
  border-color: var(--accent);
  background: rgba(217, 235, 117, 0.2);
}
.dropzone.is-dragging { transform: scale(0.995); }
.drop-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: 14px;
  border-radius: 16px;
  background: var(--signal);
  color: var(--accent);
  box-shadow: 0 8px 18px rgba(23, 60, 51, 0.12);
}
.dropzone strong { font-family: var(--serif); font-size: 1.4rem; line-height: 1.3; }
.dropzone span { margin-top: 4px; color: var(--muted); font-size: 12px; }
.dropzone small { margin-top: 14px; color: var(--faint); font-family: var(--mono); font-size: 9px; letter-spacing: 0.02em; }

.queue-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 28px 0 10px;
}
.queue-head h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
}
.queue-head h3 span {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  margin-left: 4px;
  border-radius: 50%;
  background: rgba(26, 43, 36, 0.08);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  vertical-align: 1px;
}
.queue-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.queue-row {
  display: grid;
  grid-template-columns: 39px minmax(0, 1fr) 154px 76px 26px;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 253, 248, 0.8);
}
.queue-row.is-error { border-color: rgba(168, 74, 53, 0.3); background: rgba(168, 74, 53, 0.035); }
.file-badge {
  display: grid;
  place-items: center;
  width: 39px;
  height: 39px;
  border-radius: 10px;
  background: var(--paper-deep);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.queue-file { min-width: 0; }
.queue-name {
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.queue-meta {
  display: block;
  margin-top: 2px;
  overflow: hidden;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.queue-select {
  width: 100%;
  min-width: 0;
  height: 32px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-size: 11px;
}
.queue-status {
  overflow: hidden;
  color: var(--muted);
  font-size: 10px;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.queue-status.is-ready { color: var(--faint); }
.queue-status.is-uploading { color: var(--clay); }
.queue-status.is-done { color: var(--success); }
.queue-status.is-error { color: var(--danger); }
.queue-remove {
  width: 26px;
  height: 26px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  color: var(--faint);
  font-size: 16px;
  line-height: 1;
}
.queue-remove:hover { background: rgba(26, 43, 36, 0.07); color: var(--ink); }
.queue-remove:disabled { cursor: not-allowed; opacity: 0.3; }
.queue-empty {
  margin: 0;
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--faint);
  font-size: 12px;
  text-align: center;
}
.upload-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 20px;
}
.upload-status {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
  text-align: right;
}
.upload-status.is-error { color: var(--danger); }
.upload-status.is-success { color: var(--success); }
.retry-manifest { margin-top: 12px; color: var(--danger); }

.side-column { display: grid; gap: 18px; }
.recent-panel { padding: 24px; }
.recent-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.recent-list li {
  min-width: 0;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.recent-name {
  display: block;
  overflow: hidden;
  font-size: 12px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.recent-meta {
  display: block;
  margin-top: 2px;
  overflow: hidden;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.actions-link {
  display: inline-flex;
  margin-top: 16px;
  color: var(--muted);
  font-size: 11px;
  text-decoration: none;
  text-underline-offset: 3px;
}
.actions-link:hover { color: var(--clay); text-decoration: underline; }
.info-panel {
  padding: 24px;
  border-color: transparent;
  background: var(--accent);
  color: rgba(255, 255, 255, 0.72);
  box-shadow: none;
}
.info-panel .kicker { color: var(--signal); }
.info-panel h2 { color: #fff; font-size: 1.5rem; }
.info-panel p { margin: 14px 0 0; font-size: 12px; line-height: 1.85; }
.info-panel code {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: var(--signal);
}
.info-panel .info-warning { color: rgba(255, 255, 255, 0.82); }

.footnote {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 28px;
  padding: 22px 2px 0;
  border-top: 1px solid var(--line);
}
.footnote p { margin: 0; color: var(--faint); font-size: 11px; line-height: 1.8; }
.footnote strong { color: var(--muted); }
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 0 30px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
}
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--clay); }
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 80;
  max-width: min(430px, calc(100% - 32px));
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 30px rgba(23, 60, 51, 0.28);
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 14px);
  transition: opacity 200ms ease, transform 200ms ease;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.toast.is-error { background: var(--danger); }
.noscript { padding: 20px; text-align: center; }

@media (max-width: 980px) {
  .setup { grid-template-columns: 1fr; gap: 28px; padding: 32px; }
  .token-note { grid-column: auto; }
  .workspace { grid-template-columns: 1fr; }
  .side-column { grid-template-columns: 1fr 1fr; }
  .dashboard .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-card-wide { grid-column: 1 / -1; min-height: auto; }
  .stat-card-wide strong { font-size: 1.6rem; }
}

@media (max-width: 700px) {
  body { font-size: 14px; }
  .topbar-inner, .shell, .footer { width: min(100% - 32px, 1180px); }
  .topbar-inner { min-height: 74px; }
  .topbar-actions { gap: 12px; }
  .local-badge { display: none; }
  .brand img { width: 36px; height: 36px; }
  .brand-words strong { font-size: 16px; }
  .brand-words small { font-size: 7.5px; letter-spacing: 0.08em; }
  .top-link { font-size: 12px; }
  .hero { padding: 54px 0 38px; }
  .hero h1 { font-size: clamp(2.7rem, 13vw, 3.7rem); }
  .lede { font-size: 13px; }
  .setup { padding: 24px 20px; border-radius: 18px; }
  .setup-copy h2 { font-size: 1.8rem; }
  .field-row { grid-template-columns: 1fr; }
  .form-actions { align-items: flex-start; flex-direction: column; }
  .form-actions .button { width: 100%; }
  .token-note { padding: 16px; }
  .connection-bar { align-items: flex-start; flex-direction: column; gap: 10px; }
  .connection-actions { width: 100%; justify-content: space-between; }
  .connection-note { display: none; }
  .stats-grid { gap: 9px; }
  .stat-card { min-height: 102px; padding: 16px; }
  .stat-card strong { font-size: 2.4rem; }
  .stat-card-wide strong { font-size: 1.35rem; }
  .upload-panel, .recent-panel, .info-panel { padding: 20px; }
  .dropzone { min-height: 210px; padding: 22px 16px; }
  .dropzone strong { font-size: 1.25rem; }
  .dropzone small { max-width: 230px; line-height: 1.7; }
  .queue-row {
    grid-template-columns: 39px minmax(0, 1fr) 26px;
    gap: 9px 10px;
    padding: 11px 10px;
  }
  .queue-file { grid-column: 2 / 3; }
  .queue-select { grid-column: 2 / 3; grid-row: 2; width: 100%; }
  .queue-status { grid-column: 2 / 3; grid-row: 3; text-align: left; }
  .queue-remove { grid-column: 3; grid-row: 1; align-self: start; }
  .upload-footer { align-items: stretch; flex-direction: column; gap: 12px; }
  .upload-footer .button { width: 100%; }
  .upload-status { text-align: left; }
  .side-column { grid-template-columns: 1fr; }
  .footnote { grid-template-columns: 1fr; gap: 10px; }
  .footer { flex-wrap: wrap; font-size: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}