:root {
  color-scheme: light;
  --bg: #f6f0e8;
  --bg-alt: #fff9f4;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --surface-soft: rgba(255, 248, 242, 0.74);
  --surface-dark: #211913;
  --border: rgba(121, 73, 49, 0.12);
  --border-strong: rgba(121, 73, 49, 0.22);
  --text: #2c231d;
  --muted: #706055;
  --primary: #c95d35;
  --primary-deep: #9d4120;
  --teal: #12706b;
  --teal-soft: rgba(18, 112, 107, 0.1);
  --success: #18794e;
  --warning: #a95e12;
  --danger: #b42318;
  --shadow-1: 0 16px 34px rgba(96, 58, 34, 0.1);
  --shadow-2: 0 28px 60px rgba(76, 42, 25, 0.14);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  color: var(--text);
  font-family: "Source Han Sans SC", "PingFang SC", "Segoe UI", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(201, 93, 53, 0.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(18, 112, 107, 0.12), transparent 20%),
    linear-gradient(180deg, #fcf7f2 0%, #f3ebe3 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(18px);
  opacity: 0.55;
}

body::before {
  top: -96px;
  right: -96px;
  background: radial-gradient(circle, rgba(201, 93, 53, 0.18), transparent 68%);
}

body::after {
  left: -110px;
  bottom: -110px;
  background: radial-gradient(circle, rgba(18, 112, 107, 0.14), transparent 70%);
}

button,
input,
textarea,
pre {
  font: inherit;
}

button {
  appearance: none;
  border: 0;
  background: none;
}

a {
  color: inherit;
}

.hidden {
  display: none !important;
}

.shell {
  min-height: 100vh;
}

.eyebrow {
  margin: 0;
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.muted,
.message,
.panel-head p,
.intro-card p,
.field span,
.page-count,
.status-card span,
.metric-tile span {
  color: var(--muted);
}

.btn,
.link-btn,
.snippet-btn,
.page-item {
  transition:
    transform 0.16s ease,
    box-shadow 0.16s ease,
    border-color 0.16s ease,
    background 0.16s ease,
    opacity 0.16s ease;
}

.btn,
.link-btn,
.snippet-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 42px;
  padding: 0.72rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover,
.link-btn:hover,
.snippet-btn:hover,
.page-item:hover {
  transform: translateY(-1px);
}

.btn:disabled,
.snippet-btn:disabled,
.page-item:disabled {
  cursor: not-allowed;
  opacity: 0.58;
  transform: none;
}

.btn.is-busy,
.snippet-btn.is-busy {
  position: relative;
}

.btn.is-busy::after,
.snippet-btn.is-busy::after {
  content: "";
  width: 0.88rem;
  height: 0.88rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.btn-primary {
  color: #fff8f3;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  box-shadow: 0 14px 28px rgba(157, 65, 32, 0.25);
}

.btn-secondary {
  color: var(--text);
  background: linear-gradient(135deg, rgba(255, 245, 238, 0.98), rgba(245, 234, 224, 0.98));
  border: 1px solid rgba(157, 65, 32, 0.12);
  box-shadow: 0 8px 18px rgba(96, 58, 34, 0.08);
}

.btn-tertiary,
.link-btn,
.snippet-btn {
  color: var(--primary-deep);
  background: rgba(201, 93, 53, 0.08);
  border: 1px solid rgba(201, 93, 53, 0.12);
  box-shadow: none;
}

.status-pill,
.key-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 32px;
  padding: 0.36rem 0.8rem;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
}

.status-pill {
  background: rgba(112, 96, 85, 0.1);
  color: var(--muted);
}

.status-pill[data-state="success"] {
  background: rgba(24, 121, 78, 0.12);
  color: var(--success);
}

.status-pill[data-state="warning"] {
  background: rgba(169, 94, 18, 0.12);
  color: var(--warning);
}

.status-pill[data-state="running"] {
  background: var(--teal-soft);
  color: var(--teal);
}

.status-pill[data-state="error"] {
  background: rgba(180, 35, 24, 0.1);
  color: var(--danger);
}

.key-chip {
  background: rgba(44, 35, 29, 0.06);
  color: var(--text);
}

label,
.field {
  display: grid;
  gap: 0.5rem;
}

input[type="password"],
input[type="search"],
input[type="text"],
input[type="file"],
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 0.95rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

input:focus-visible,
textarea:focus-visible,
.btn:focus-visible,
.link-btn:focus-visible,
.snippet-btn:focus-visible,
.page-item:focus-visible {
  outline: 2px solid rgba(18, 112, 107, 0.28);
  outline-offset: 2px;
  border-color: rgba(18, 112, 107, 0.28);
}

textarea {
  resize: vertical;
  min-height: 560px;
  height: min(72vh, 980px);
  line-height: 1.72;
}

.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.login-stage {
  width: min(1240px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, 0.8fr);
  gap: 1.4rem;
  align-items: stretch;
}

.login-intro,
.login-card,
.sidebar,
.panel,
.workspace-topbar,
.workspace-hero,
.workspace-banner,
.status-card,
.sidebar-card,
.metric-tile {
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-1);
}

.login-intro,
.login-card,
.workspace-hero,
.panel {
  border-radius: var(--radius-xl);
}

.login-intro {
  padding: 2.2rem;
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.72), transparent 34%),
    linear-gradient(135deg, rgba(255, 249, 243, 0.94), rgba(255, 255, 255, 0.78));
  box-shadow: var(--shadow-2);
}

.login-intro h1,
.login-card h2,
.workspace-hero h1,
.panel h2,
.sidebar h2,
.sidebar h3 {
  margin: 0;
}

.lead {
  margin: 1rem 0 0;
  max-width: 56rem;
  font-size: 1.04rem;
  line-height: 1.9;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.intro-card {
  padding: 1.15rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(121, 73, 49, 0.1);
}

.intro-card__label {
  display: inline-flex;
  margin-bottom: 0.7rem;
  padding: 0.3rem 0.62rem;
  border-radius: 999px;
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
}

.intro-card strong {
  display: block;
  font-size: 1.08rem;
}

.intro-card p {
  margin: 0.65rem 0 0;
  line-height: 1.8;
}

.login-card {
  display: grid;
  gap: 1.25rem;
  align-content: center;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.9);
}

.login-card__head {
  display: grid;
  gap: 0.55rem;
}

.login-form,
.upload-form,
.sidebar-actions,
.snippet-list {
  display: grid;
  gap: 0.75rem;
}

.login-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.message {
  margin: 0;
  line-height: 1.72;
}

.message.success {
  color: var(--success);
}

.message.error {
  color: var(--danger);
}

.app-view {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar-scrim {
  display: none;
}

.sidebar {
  position: sticky;
  top: 0;
  display: grid;
  align-content: start;
  gap: 1rem;
  min-height: 100vh;
  padding: 1.15rem;
  border-radius: 0;
  border-top: 0;
  border-left: 0;
  border-bottom: 0;
  background:
    linear-gradient(180deg, rgba(255, 252, 248, 0.92), rgba(247, 238, 229, 0.94));
}

.sidebar-brand {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: center;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff9f2;
  font-weight: 800;
  box-shadow: 0 14px 24px rgba(157, 65, 32, 0.22);
}

.sidebar-brand p,
.sidebar-brand h2 {
  margin: 0;
}

.sidebar-card {
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
  border-radius: var(--radius-lg);
}

.sidebar-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.metric-tile {
  padding: 0.95rem;
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
}

.metric-tile strong {
  display: block;
  margin-top: 0.45rem;
  font-size: 1.55rem;
  line-height: 1;
}

.sidebar-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.8rem;
}

.sidebar-section-head h3 {
  margin-top: 0.2rem;
  font-size: 1.05rem;
}

.page-count {
  font-size: 0.82rem;
  font-weight: 700;
}

.page-list {
  display: grid;
  gap: 0.7rem;
  min-height: 0;
  overflow: auto;
  padding-right: 0.25rem;
}

.page-empty {
  margin: 0;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.68);
}

.page-item {
  position: relative;
  display: grid;
  gap: 0.42rem;
  width: 100%;
  padding: 0.95rem 1rem 1rem 1.05rem;
  text-align: left;
  border-radius: var(--radius-md);
  border: 1px solid rgba(121, 73, 49, 0.1);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  cursor: pointer;
}

.page-item::before {
  content: "";
  position: absolute;
  left: 0.45rem;
  top: 0.75rem;
  bottom: 0.75rem;
  width: 4px;
  border-radius: 999px;
  background: transparent;
}

.page-item:hover {
  border-color: rgba(201, 93, 53, 0.18);
  box-shadow: 0 10px 22px rgba(96, 58, 34, 0.08);
}

.page-item.active {
  background: linear-gradient(135deg, rgba(201, 93, 53, 0.12), rgba(255, 255, 255, 0.9));
  border-color: rgba(201, 93, 53, 0.22);
}

.page-item.active::before {
  background: linear-gradient(180deg, var(--primary), var(--teal));
}

.page-item__section {
  color: var(--teal);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-item__title {
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1.45;
}

.page-item__path,
.page-item__route {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
  word-break: break-word;
}

.page-item__route {
  color: rgba(44, 35, 29, 0.72);
}

.workspace {
  display: grid;
  gap: 1rem;
  padding: 1.1rem;
}

.workspace-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-lg);
}

.workspace-topbar__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.mobile-only {
  display: none;
}

.workspace-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.1rem;
  padding: 1.4rem 1.5rem;
  background:
    radial-gradient(circle at top right, rgba(18, 112, 107, 0.08), transparent 34%),
    linear-gradient(135deg, rgba(255, 249, 243, 0.98), rgba(255, 255, 255, 0.82));
}

.workspace-hero__copy {
  display: grid;
  gap: 0.45rem;
}

.workspace-hero__copy h1 {
  font-size: clamp(1.8rem, 2.8vw, 2.45rem);
  line-height: 1.08;
}

.workspace-hero__copy p {
  margin: 0;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.7rem;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.status-card {
  display: grid;
  gap: 0.48rem;
  padding: 1rem 1.05rem;
  border-radius: var(--radius-lg);
  background: var(--surface-soft);
}

.status-card strong {
  font-size: 1rem;
  line-height: 1.5;
  word-break: break-word;
}

.workspace-banner {
  padding: 0.95rem 1rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.7);
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 1rem;
  align-items: start;
}

.panel {
  padding: 1.2rem;
  background: var(--surface-strong);
}

.panel-head {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.95rem;
}

.panel-head--split {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 1rem;
}

.panel-head h2,
.panel-head p {
  margin: 0;
}

.editor-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  box-shadow: var(--shadow-2);
}

.editor-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: flex-end;
}

.side-panel {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.snippet-list {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.upload-form {
  margin-bottom: 0.9rem;
}

.code-view {
  margin: 0;
  padding: 0.95rem;
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, #241a14 0%, #1c140f 100%);
  color: #f7e8dd;
  white-space: pre-wrap;
  word-break: break-word;
  overflow: auto;
  line-height: 1.66;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1320px) {
  .login-stage {
    grid-template-columns: 1fr;
  }

  .workspace-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
  }
}

@media (max-width: 1160px) {
  .status-strip,
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .panel-head--split,
  .workspace-hero {
    grid-template-columns: 1fr;
  }

  .workspace-hero,
  .header-actions {
    align-items: stretch;
  }

  .header-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 960px) {
  body.sidebar-open {
    overflow: hidden;
  }

  .mobile-only {
    display: inline-flex;
  }

  .app-view {
    grid-template-columns: 1fr;
  }

  .sidebar-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 9;
    background: rgba(31, 22, 17, 0.36);
    backdrop-filter: blur(3px);
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 10;
    width: min(88vw, 360px);
    transform: translateX(-104%);
    transition: transform 0.2s ease;
    box-shadow: var(--shadow-2);
  }

  body.sidebar-open .sidebar {
    transform: translateX(0);
  }

  .workspace {
    padding: 1rem;
  }
}

@media (max-width: 720px) {
  .login-view,
  .workspace {
    padding: 0.9rem;
  }

  .login-intro,
  .login-card,
  .workspace-hero,
  .panel,
  .workspace-topbar,
  .workspace-banner {
    padding: 1rem;
  }

  .intro-grid,
  .sidebar-metrics {
    grid-template-columns: 1fr;
  }

  .workspace-topbar {
    align-items: flex-start;
  }

  .workspace-topbar,
  .header-actions {
    flex-direction: column;
  }

  .workspace-topbar__meta,
  .header-actions {
    width: 100%;
  }

  .header-actions > *,
  .workspace-topbar > * {
    width: 100%;
  }

  .editor-stats {
    justify-content: flex-start;
  }

  textarea {
    min-height: 420px;
    height: 56vh;
  }
}