:root {
  --bg: #f4f6f8;
  --bg-elevated: #ffffff;
  --bg-accent: linear-gradient(145deg, #f8fafb 0%, #eef3f6 100%);
  --border: #d8dfe5;
  --border-strong: #b5c0c8;
  --text: #1e2933;
  --text-muted: #5c6b78;
  --heading: #14212b;
  --brand: #0f6a59;
  --brand-deep: #0a4e42;
  --brand-soft: #dcefe9;
  --brand-soft-strong: #c6e5dc;
  --danger: #9c2f2f;
  --danger-soft: #fae7e5;
  --warning: #9a6a17;
  --warning-soft: #fff3dc;
  --info-soft: #e9f1f8;
  --neutral-soft: #eef2f5;
  --shadow: 0 18px 40px rgba(20, 33, 43, 0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --content-max: 1320px;
  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-heading: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(15, 106, 89, 0.06), transparent 28%),
    linear-gradient(180deg, #f8fafb 0%, #f2f5f7 100%);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
}

a {
  color: var(--brand-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  color: var(--heading);
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

p {
  margin: 0;
}

.public-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2.5rem 1.5rem;
}

.shell-container {
  width: min(100%, var(--content-max));
  margin: 0 auto;
  padding-inline: 1.75rem;
}

.login-panel {
  width: min(100%, 1080px);
}

.login-card {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  padding: 2.25rem;
  background: var(--bg-elevated);
  border: 1px solid rgba(181, 192, 200, 0.8);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.login-card__brand {
  display: grid;
  gap: 1.25rem;
  align-content: start;
  padding: 1.25rem;
  border-radius: 20px;
  background: var(--bg-accent);
}

.login-logo {
  max-width: 220px;
}

.eyebrow {
  margin-bottom: 0.5rem;
  color: var(--brand);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.login-copy,
.page-copy,
.detail-copy,
.empty-state,
.inline-note {
  color: var(--text-muted);
  line-height: 1.6;
}

.form-stack,
.form-grid {
  display: grid;
  gap: 1rem;
}

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

.field {
  display: grid;
  gap: 0.45rem;
}

.field span {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.82rem 0.92rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

.field textarea {
  resize: vertical;
}

.field__hint {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(15, 106, 89, 0.14);
  border-color: var(--brand);
}

.field--checkbox {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding-top: 1.6rem;
}

.field--checkbox input {
  width: auto;
}

.field--full {
  grid-column: 1 / -1;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 12px;
  background: var(--bg-elevated);
  color: var(--heading);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.button--primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(15, 106, 89, 0.22);
}

.button--secondary,
.button--ghost {
  border-color: var(--border);
}

.button--ghost {
  background: transparent;
}

.button--block {
  width: 100%;
}

.banner {
  padding: 0.95rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}

.banner--error {
  background: var(--danger-soft);
  border: 1px solid rgba(156, 47, 47, 0.18);
  color: var(--danger);
}

.banner--info {
  background: var(--info-soft);
  border: 1px solid rgba(15, 106, 89, 0.16);
}

.public-banner {
  width: min(100%, 1040px);
  margin: 0 0 1rem;
}

.app-shell {
  min-height: 100vh;
}

.app-header {
  padding: 0;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(181, 192, 200, 0.72);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-weight: 700;
}

.brand-link:hover {
  text-decoration: none;
}

.brand-logo {
  height: 42px;
  width: auto;
}

.brand-wordmark {
  color: var(--heading);
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-user {
  display: grid;
  gap: 0.15rem;
  text-align: right;
}

.header-user__name {
  font-weight: 700;
}

.header-user__meta {
  color: var(--text-muted);
  font-size: 0.84rem;
}

.inline-form {
  margin: 0;
}

.app-frame {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  gap: 1.75rem;
  padding-top: 1.75rem;
  padding-bottom: 2.5rem;
}

.app-sidebar {
  position: sticky;
  top: 90px;
  align-self: start;
}

.sidebar-nav {
  display: grid;
  gap: 0.45rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(181, 192, 200, 0.72);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.nav-link {
  padding: 0.78rem 0.9rem;
  border-radius: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

.nav-link.is-active,
.nav-link:hover {
  background: linear-gradient(135deg, var(--brand-soft) 0%, var(--brand-soft-strong) 100%);
  color: var(--brand-deep);
  text-decoration: none;
}

.app-main {
  display: grid;
  gap: 1.25rem;
}

.page-hero {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.65rem 1.8rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(181, 192, 200, 0.72);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.page-hero--compact {
  padding: 1.35rem 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.stats-grid,
.summary-grid,
.dashboard-grid,
.detail-grid {
  display: grid;
  gap: 1rem;
}

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.summary-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.stat-card,
.panel {
  padding: 1.35rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(181, 192, 200, 0.72);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.panel--full {
  grid-column: 1 / -1;
}

.stat-card {
  display: grid;
  gap: 0.45rem;
}

.stat-card__label,
.stat-card__meta {
  color: var(--text-muted);
}

.stat-card__value {
  color: var(--heading);
  font-size: 1.85rem;
  line-height: 1.05;
}

.stat-card__value--text {
  font-size: 1.05rem;
  line-height: 1.35;
}

.panel__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.metric-list,
.record-list,
.detail-list {
  display: grid;
  gap: 0.8rem;
}

.metric-list__row,
.record-list__item,
.detail-list > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(215, 221, 216, 0.9);
}

.metric-list__row:first-child,
.record-list__item:first-child,
.detail-list > div:first-child {
  padding-top: 0;
  border-top: 0;
}

.record-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.detail-list {
  margin: 0;
}

.detail-list dt {
  color: var(--text-muted);
  font-weight: 600;
}

.detail-list dd {
  margin: 0;
  text-align: right;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: end;
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(181, 192, 200, 0.72);
  border-radius: 16px;
}

.filter-bar .field {
  min-width: 200px;
  flex: 1 1 220px;
}

.table-wrap {
  overflow-x: auto;
}

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

.data-table th,
.data-table td {
  padding: 0.95rem 0.8rem;
  border-bottom: 1px solid rgba(216, 223, 229, 0.95);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--text-muted);
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.6rem;
  background: var(--brand-soft);
  border-radius: 999px;
  color: var(--brand-deep);
  font-size: 0.8rem;
  font-weight: 700;
}

.pill--success {
  background: var(--brand-soft);
  color: var(--brand-deep);
}

.pill--warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.pill--danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.pill--neutral {
  background: var(--neutral-soft);
  color: var(--text-muted);
}

.muted {
  color: var(--text-muted);
}

.cell-copy {
  min-width: 280px;
  color: var(--text-muted);
  line-height: 1.5;
}

.table-note {
  margin-top: 0.35rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1rem;
}

.pagination__summary {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem;
}

.convert-form {
  margin-top: 1rem;
}

.guide-list,
.bullet-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
}

.bullet-list--disc {
  padding-left: 1.2rem;
}

.bullet-list--disc li {
  list-style: disc;
}

.guide-list__item {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(216, 223, 229, 0.95);
}

.guide-list__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

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

.research-toolbar,
.research-audit-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.research-config-form {
  display: grid;
  gap: 0.85rem;
  align-content: start;
  padding: 1rem;
  border: 1px solid rgba(216, 223, 229, 0.95);
  border-radius: 14px;
  background: rgba(248, 250, 251, 0.72);
}

.research-card {
  display: grid;
  gap: 0.65rem;
  padding: 1rem;
  border: 1px solid rgba(216, 223, 229, 0.95);
  border-radius: 14px;
  background: rgba(248, 250, 251, 0.72);
}

.research-banner {
  margin-bottom: 1rem;
}

.research-history__item,
.research-history__summary,
.research-history__meta,
.research-audit {
  display: grid;
  gap: 0.4rem;
}

.research-history__meta {
  justify-items: end;
  text-align: right;
}

.audit-block {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  padding: 0.95rem;
  border-radius: 12px;
  background: rgba(20, 33, 43, 0.04);
  border: 1px solid rgba(181, 192, 200, 0.8);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.87rem;
  line-height: 1.5;
}

.guide-list__item span {
  color: var(--text-muted);
  line-height: 1.45;
}

.bullet-list {
  padding-left: 1.15rem;
}

.bullet-list li {
  color: var(--text-muted);
}

.bullet-list--compact {
  gap: 0.45rem;
  margin: 0;
}

.text-link {
  color: var(--brand-deep);
  font-weight: 700;
}

@media (max-width: 1100px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .app-sidebar {
    position: static;
  }

  .sidebar-nav {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }
}

@media (max-width: 840px) {
  .login-card,
  .research-toolbar,
  .research-audit-grid,
  .research-grid,
  .summary-grid,
  .dashboard-grid,
  .detail-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .page-hero,
  .app-header {
    flex-direction: column;
    align-items: stretch;
  }

  .header-actions {
    justify-content: space-between;
  }
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .app-frame,
  .public-shell {
    padding: 1rem;
  }

  .shell-container {
    padding-inline: 1rem;
  }

  .app-header__inner {
    padding-block: 0.9rem;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
}