:root {
  color-scheme: dark;
  --canvas: #071018;
  --canvas-strong: #041019;
  --surface: rgba(15, 27, 37, 0.88);
  --surface-strong: rgba(10, 22, 31, 0.96);
  --surface-soft: rgba(16, 34, 46, 0.75);
  --border: rgba(110, 154, 184, 0.18);
  --border-strong: rgba(110, 154, 184, 0.32);
  --text: #edf4ff;
  --muted: #90a7bd;
  --accent: #34d399;
  --accent-strong: #10b981;
  --danger: #ff5d6c;
  --warning: #ffb347;
  --neutral: #b9c8d5;
  --shadow-lg: 0 24px 80px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 18px 48px rgba(0, 0, 0, 0.32);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --content: min(1200px, calc(100vw - 32px));
  --number-font: "Space Mono", "SFMono-Regular", Consolas, monospace;
  --display-font: "Space Grotesk", "IBM Plex Sans", sans-serif;
  --body-font: "IBM Plex Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --motion: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(52, 211, 153, 0.08), transparent 24%),
    radial-gradient(circle at top right, rgba(255, 179, 71, 0.09), transparent 18%),
    linear-gradient(180deg, #051018 0%, #071018 42%, #09131a 100%);
  color: var(--text);
  font-family: var(--body-font);
  min-height: 100vh;
}

p,
h1,
h2,
h3 {
  margin: 0;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
select {
  cursor: pointer;
}

textarea {
  resize: vertical;
  min-height: 104px;
  max-height: 220px;
}

.page-shell {
  width: 100%;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  width: var(--content);
  margin: 0 auto;
  margin-top: 18px;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(20px);
  background: rgba(8, 18, 26, 0.84);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  min-width: 0;
}

.brand-logo {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
}

.brand-text {
  font-family: var(--display-font);
  font-weight: 700;
  letter-spacing: -0.04em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: nowrap;
}

.nav-link,
.nav-cta {
  white-space: nowrap;
}

.nav-link {
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--muted);
  transition: color var(--motion), background-color var(--motion);
}

.nav-link.active,
.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-cta,
.button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  transition:
    transform var(--motion),
    background-color var(--motion),
    border-color var(--motion);
}

.nav-cta,
.button-primary {
  color: #041019;
  background: linear-gradient(135deg, var(--accent) 0%, #7ef7ca 100%);
  font-weight: 700;
}

.button-primary:hover,
.nav-cta:hover {
  transform: translateY(-1px);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
}

main,
.site-footer {
  width: var(--content);
  margin: 0 auto;
}

main {
  padding-top: 34px;
}

.section-anchor {
  scroll-margin-top: 110px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
  gap: 28px;
  align-items: stretch;
  padding: 44px 0 32px;
}

.hero-copy,
.hero-panel,
.tool-form,
.result-panel,
.overview-card,
.plan-summary-panel,
.stat-card,
.risk-panel,
.steps-panel,
.records-table-wrap,
.record-card,
.status-strip,
.modal-dialog {
  background: linear-gradient(180deg, rgba(18, 31, 41, 0.95), rgba(10, 20, 28, 0.94));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.hero-copy,
.hero-panel {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
}

.hero-copy {
  padding: 42px;
}

.hero-copy::after,
.metric-card::after,
.overview-card::after,
.stat-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 72px;
  height: 10px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 179, 71, 0.28) 55%, rgba(255, 179, 71, 0.86) 100%);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--warning);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-title h2 {
  font-family: var(--display-font);
  letter-spacing: -0.05em;
  margin: 0;
}

.hero h1 {
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  line-height: 0.92;
  max-width: 10ch;
}

.hero-intro,
.hero-disclaimer,
.section-note,
.overview-card p,
.hero-badge p,
.summary-hints p,
.risk-list,
.steps-list,
.site-footer p,
.site-footer span {
  color: var(--muted);
}

.hero-intro {
  margin: 22px 0 0;
  max-width: 58ch;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.hero-disclaimer {
  margin-top: 22px;
  padding: 14px 16px;
  border-left: 3px solid var(--warning);
  background: rgba(255, 179, 71, 0.07);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  line-height: 1.65;
}

.hero-panel {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.hero-visual {
  width: 100%;
  border-radius: 22px;
  border: 1px solid rgba(110, 154, 184, 0.24);
  background: linear-gradient(180deg, rgba(6, 14, 22, 0.92), rgba(8, 18, 28, 0.96));
}

.hero-badges {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.hero-badge {
  padding: 14px 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(110, 154, 184, 0.16);
  background: rgba(255, 255, 255, 0.03);
}

.badge-title {
  display: block;
  font-family: var(--display-font);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.section-title {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
}

.section-title.split {
  flex-direction: row;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.section-title h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1;
}

.section-note {
  max-width: 50ch;
  line-height: 1.65;
}

.overview {
  padding: 18px 0 34px;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.overview-card {
  position: relative;
  min-height: 188px;
  padding: 20px 18px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform var(--motion), border-color var(--motion);
}

.overview-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}

.overview-index {
  font-family: var(--number-font);
  color: var(--accent);
  font-size: 0.82rem;
}

.overview-card strong {
  font-family: var(--display-font);
  font-size: 1.2rem;
}

.tool-section,
.planner-section,
.journal-section,
.guide-section {
  padding: 34px 0;
}

.tool-layout,
.planner-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
}

.tool-form,
.plan-summary-panel,
.result-panel,
.records-table-wrap,
.risk-panel,
.steps-panel,
.status-strip {
  border-radius: var(--radius-lg);
}

.tool-form,
.modal-form {
  padding: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.planner-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-size: 0.92rem;
  color: var(--neutral);
}

.field input,
.field select,
.field textarea,
.control-group select {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(110, 154, 184, 0.18);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 13px 14px;
  outline: none;
  transition: border-color var(--motion), background-color var(--motion), box-shadow var(--motion);
}

.field.is-dirty input,
.field.is-dirty select,
.field.is-dirty textarea,
.field input:focus,
.field select:focus,
.field textarea:focus,
.control-group select:focus {
  border-color: rgba(52, 211, 153, 0.65);
  background: rgba(255, 255, 255, 0.045);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.12);
}

.field-error {
  min-height: 18px;
  color: var(--danger);
  font-size: 0.8rem;
}

.span-two {
  grid-column: span 2;
}

.result-panel,
.plan-summary-panel {
  padding: 22px;
  position: relative;
}

.warning-banner,
.error-stack,
.empty-state,
.summary-box,
.status-strip,
.risk-alert {
  border-radius: var(--radius-md);
}

.warning-banner,
.error-stack,
.risk-alert {
  padding: 14px 16px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.warning-banner {
  background: rgba(255, 179, 71, 0.08);
  border: 1px solid rgba(255, 179, 71, 0.26);
  color: #ffd39f;
}

.error-stack {
  background: rgba(255, 93, 108, 0.08);
  border: 1px solid rgba(255, 93, 108, 0.22);
  color: #ffb3bc;
}

.empty-state {
  border: 1px dashed rgba(110, 154, 184, 0.22);
  padding: 22px;
  color: var(--muted);
  line-height: 1.7;
  background: rgba(255, 255, 255, 0.025);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.metric-card,
.stat-card,
.record-card {
  position: relative;
  border-radius: var(--radius-md);
  padding: 16px 18px 18px;
  border: 1px solid rgba(110, 154, 184, 0.16);
  background: rgba(255, 255, 255, 0.03);
}

.metric-card span,
.stat-card span,
.panel-label {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
}

.metric-card strong,
.stat-card strong {
  display: block;
  margin-top: 12px;
  font-family: var(--number-font);
  font-size: clamp(1.16rem, 2vw, 1.55rem);
}

.metric-card.emphasis {
  background:
    linear-gradient(180deg, rgba(52, 211, 153, 0.08), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.03);
}

.summary-box {
  margin-top: 14px;
  padding: 18px;
  min-height: 180px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(110, 154, 184, 0.18);
  line-height: 1.8;
  color: var(--text);
}

.summary-hints {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.summary-hints p {
  margin: 0;
  line-height: 1.6;
}

.planner-actions,
.modal-actions {
  grid-column: span 2;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.journal-controls {
  display: flex;
  align-items: end;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.control-group {
  min-width: 180px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.status-strip {
  padding: 14px 16px;
  margin-bottom: 18px;
}

.records-table-wrap {
  overflow: hidden;
  margin-top: 18px;
}

.records-table {
  width: 100%;
  border-collapse: collapse;
}

.records-table th,
.records-table td {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(110, 154, 184, 0.12);
  text-align: left;
  vertical-align: top;
}

.records-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
}

.records-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.record-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.link-button {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(110, 154, 184, 0.16);
  border-radius: 999px;
  padding: 8px 12px;
}

.link-button.danger {
  color: #ffd2d7;
  border-color: rgba(255, 93, 108, 0.2);
}

.record-cards {
  display: none;
  gap: 14px;
  margin-top: 18px;
}

.record-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
}

.meta-sub {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.8rem;
}

.record-card h3,
.detail-body h4 {
  margin: 0;
  font-family: var(--display-font);
  letter-spacing: -0.03em;
}

.record-meta,
.detail-grid {
  display: grid;
  gap: 10px;
}

.record-meta {
  margin-top: 12px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  white-space: nowrap;
}

.pill.success {
  background: rgba(52, 211, 153, 0.12);
  color: #8ff0c9;
}

.pill.danger {
  background: rgba(255, 93, 108, 0.12);
  color: #ffbbc3;
}

.pill.warning {
  background: rgba(255, 179, 71, 0.12);
  color: #ffd39f;
}

.pill.neutral {
  background: rgba(185, 200, 213, 0.1);
  color: #d7e3ee;
}

.guide-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.risk-panel,
.steps-panel {
  padding: 22px;
}

.risk-list,
.steps-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 12px;
  line-height: 1.7;
}

.site-footer {
  margin-top: 18px;
  margin-bottom: 34px;
  padding: 26px 0 14px;
  border-top: 1px solid rgba(110, 154, 184, 0.16);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.site-footer strong {
  font-family: var(--display-font);
}

.site-footer p,
.site-footer span {
  margin: 6px 0 0;
  display: block;
}

.hidden {
  display: none !important;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 40;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(4px);
}

.modal-dialog {
  position: relative;
  width: min(860px, calc(100vw - 24px));
  max-height: min(90vh, 920px);
  margin: 5vh auto 0;
  border-radius: var(--radius-xl);
  overflow: auto;
}

.detail-dialog {
  width: min(720px, calc(100vw - 24px));
}

.modal-header {
  position: sticky;
  top: 0;
  z-index: 1;
  background: rgba(10, 20, 28, 0.98);
  border-bottom: 1px solid rgba(110, 154, 184, 0.16);
  padding: 20px 22px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.icon-button {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(110, 154, 184, 0.18);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 1.6rem;
  line-height: 1;
}

.detail-body {
  padding: 22px;
  display: grid;
  gap: 16px;
}

.detail-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-item {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(110, 154, 184, 0.14);
}

.detail-item span {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}

.detail-item strong {
  display: block;
  margin-top: 8px;
}

.toast-stack {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: grid;
  gap: 10px;
  z-index: 45;
}

.toast {
  min-width: 240px;
  max-width: 360px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(110, 154, 184, 0.16);
  background: rgba(8, 18, 26, 0.92);
  box-shadow: var(--shadow-md);
}

.toast.success {
  border-color: rgba(52, 211, 153, 0.24);
}

.toast.error {
  border-color: rgba(255, 93, 108, 0.24);
}

@media (max-width: 1180px) {
  .hero,
  .tool-layout,
  .planner-layout,
  .guide-layout,
  .overview-grid {
    grid-template-columns: 1fr;
  }

  .hero-badges,
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .overview-grid {
    gap: 14px;
  }

  .overview-card {
    min-height: unset;
  }

  .section-title.split {
    flex-direction: column;
    align-items: start;
  }
}

@media (max-width: 940px) {
  .topbar {
    width: min(100vw - 16px, 100%);
    margin-top: 10px;
    padding: 12px 14px;
    border-radius: 26px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    padding: 14px;
    border-radius: 24px;
    border: 1px solid var(--border);
    background: rgba(8, 18, 26, 0.98);
    box-shadow: var(--shadow-md);
    display: none;
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav.open {
    display: flex;
  }

  .nav-link,
  .nav-cta {
    justify-content: center;
    text-align: center;
  }

  main,
  .site-footer {
    width: min(100vw - 16px, 100%);
  }

  .hero {
    padding-top: 18px;
  }

  .hero-copy,
  .hero-panel {
    padding: 24px;
  }
}

@media (max-width: 760px) {
  .tool-form,
  .modal-form,
  .planner-form,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .span-two,
  .planner-actions,
  .modal-actions {
    grid-column: span 1;
  }

  .result-grid,
  .hero-badges,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .records-table-wrap {
    display: none;
  }

  .record-cards {
    display: grid;
  }

  .site-footer {
    flex-direction: column;
    align-items: start;
  }

  .hero h1 {
    max-width: 12ch;
  }
}