:root {
  --bg: #07111f;
  --bg-soft: #0d1728;
  --surface: #0f1b2d;
  --surface-alt: #142237;
  --surface-strong: #1a2a43;
  --border: rgba(148, 163, 184, 0.18);
  --border-strong: rgba(148, 163, 184, 0.3);
  --text: #e5edf8;
  --text-primary: #e5edf8;
  --text-soft: #94a3b8;
  --text-secondary: #94a3b8;
  --text-muted: #6b7a92;
  --accent: #5aa6ff;
  --accent-strong: #377fd4;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #f87171;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
  --radius-xl: 18px;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 7px;
  --chart-grid: rgba(148, 163, 184, 0.1);
  --page-max-width: 1720px;
  --control-height: 40px;
  --form-stack-gap: 16px;
  --form-action-gap: 20px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.45;
  background:
    radial-gradient(circle at top left, rgba(90, 166, 255, 0.12), transparent 30%),
    radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.08), transparent 28%),
    linear-gradient(180deg, #050d18 0%, var(--bg) 100%);
}

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

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

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

.page-shell {
  width: min(var(--page-max-width), calc(100% - 48px));
  margin: 0 auto;
  padding: 16px 0 44px;
}

.page-shell > section {
  margin-bottom: 14px;
}

.topbar,
.panel,
.card,
.auth-card {
  background: rgba(15, 27, 45, 0.92);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1 1 auto;
}

.brand-simple .brand-copy p {
  display: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.brand-mark img {
  width: 34px;
  height: 34px;
}

.brand-copy h1,
.brand-copy p {
  margin: 0;
}

.brand-copy h1,
.panel-title,
.card-title,
.page-heading h1,
.hero-title,
.stat-value,
.auth-brand h1 {
  font-family: "IBM Plex Sans", Inter, sans-serif;
}

.brand-copy h1 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-copy p {
  font-size: 12px;
  color: var(--text-soft);
}

.toolbar,
.actions-row,
.search-bar,
.filter-row,
.table-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.charts-grid .filter-row {
  margin-bottom: var(--form-stack-gap);
}

.user-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 12px;
  white-space: nowrap;
}

.panel,
.card {
  border-radius: var(--radius-xl);
}

.panel {
  padding: 18px;
}

.panel-muted,
.panel-nested,
.price-card,
.meta-block,
.assistant-card,
.result-card,
.info-card,
.stat-block,
.search-panel {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.panel-nested,
.variant-builder-panel {
  padding: 14px;
  margin-top: 14px;
}

.panel-header,
.page-heading,
.card-head,
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-header {
  margin-bottom: 14px;
}

.page-heading {
  margin-bottom: 16px;
  align-items: flex-start;
}

.card-head {
  align-items: flex-start;
}

.card-copy,
.product-grid .card-head > :first-child {
  min-height: 78px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.page-heading h1 {
  margin: 0;
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  line-height: 1;
}

.page-heading p {
  margin: 6px 0 0;
  color: var(--text-soft);
}

.panel-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.1;
}

.panel-title-sm {
  font-size: 14px;
}

.card-title {
  margin: 0;
  font-size: 16px;
}

.card-description,
.panel-subtitle,
.helper-text,
.muted,
.stat-note,
.price-note {
  color: var(--text-soft);
}

.card-description,
.panel-subtitle {
  margin: 4px 0 0;
  font-size: 12px;
}

.hero,
.stats-row,
.overview-grid,
.field-grid,
.product-grid,
.price-grid,
.meta-grid,
.search-panel-meta,
.automation-meta-grid,
.charts-grid,
.assistant-grid,
.info-grid,
.result-grid,
.assistant-metrics {
  display: grid;
  gap: 12px;
}

.hero,
.compact-layout {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  align-items: start;
  margin-bottom: 14px;
}

.hero > .panel,
.compact-layout > .panel {
  align-self: start;
}

.dashboard-hero,
.product-hero,
.settings-hero {
  align-items: stretch;
}

.dashboard-hero > .panel,
.product-hero > .panel,
.settings-hero > .panel {
  align-self: stretch;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.dashboard-hero > .panel:not(.search-panel) > form,
.product-hero > .panel > form {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
}

.dashboard-hero > .panel:not(.search-panel) > form > .actions-row:last-child,
.product-hero > .panel > form > .actions-row:last-child {
  margin-top: auto;
  padding-top: var(--form-action-gap);
}

.stats-row,
.overview-grid,
.compact-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 14px;
}

.stat-block {
  min-height: 92px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stat-label,
.price-label,
.meta-label,
.field label,
thead th,
.eyebrow {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.stat-value {
  margin-top: 8px;
  font-size: clamp(1.2rem, 1.6vw, 1.5rem);
  font-weight: 700;
  line-height: 1;
}

.product-grid {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
  padding: 18px;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 12px;
  transition: transform 160ms ease, border-color 160ms ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
}

.card-footer {
  margin-top: 0;
  align-self: end;
  align-items: flex-end;
}

.price-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

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

.price-card,
.meta-block,
.assistant-card,
.result-card,
.info-card {
  padding: 12px 14px;
}

.price-value,
.meta-value,
.kpi-value {
  margin-top: 6px;
  font-size: 15px;
  font-weight: 700;
}

.badge,
.status-pill,
.status-banner,
.filter-pill,
.solver-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.status-dot,
.position-indicator {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
  flex: 0 0 auto;
}

.badge-neutral,
.status-neutral {
  color: var(--text-soft);
  background: rgba(148, 163, 184, 0.08);
  border-color: rgba(148, 163, 184, 0.16);
}

.badge-success,
.status-success,
.status-ok {
  color: var(--success);
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.22);
}

.badge-danger,
.status-danger {
  color: var(--danger);
  background: rgba(248, 113, 113, 0.1);
  border-color: rgba(248, 113, 113, 0.22);
}

.badge-warning,
.status-warning {
  color: var(--warning);
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.22);
}

.position-indicator.success {
  color: var(--success);
}

.position-indicator.danger {
  color: var(--danger);
}

.position-indicator.neutral {
  color: var(--accent);
}

.btn-primary,
.btn-secondary,
.btn-danger,
.btn-ghost {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: var(--control-height);
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 160ms ease, filter 160ms ease, border-color 160ms ease;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.btn-primary {
  color: #07111f;
  background: linear-gradient(180deg, #7fc0ff, var(--accent));
}

.btn-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
}

.btn-danger {
  color: #fecaca;
  background: rgba(248, 113, 113, 0.08);
  border-color: rgba(248, 113, 113, 0.18);
}

.toolbar .btn-danger {
  color: #ffe2e2;
  background: linear-gradient(180deg, rgba(248, 113, 113, 0.22), rgba(220, 38, 38, 0.34));
  border-color: rgba(248, 113, 113, 0.38);
}

.btn-ghost {
  color: var(--text-soft);
  background: transparent;
  border-color: var(--border);
}

.btn-primary:hover,
.btn-secondary:hover,
.btn-danger:hover,
.btn-ghost:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.btn-primary[disabled],
.btn-secondary[disabled],
.btn-danger[disabled],
.btn-ghost[disabled] {
  opacity: 0.6;
  cursor: wait;
  transform: none;
}

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

.field-grid.three-cols {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-height: 44px;
  padding: 10px 13px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #0a1524;
  color: var(--text);
}

.field textarea {
  min-height: 112px;
  resize: vertical;
}

.field input[type="file"] {
  padding: 8px 10px;
}

.field input[type="checkbox"],
.field input[type="radio"] {
  width: 16px;
  min-height: 16px;
  height: 16px;
  margin: 0;
  padding: 0;
  accent-color: var(--accent);
  box-shadow: none;
  flex: 0 0 auto;
}

.field input[type="file"]::file-selector-button {
  appearance: none;
  min-height: 30px;
  margin-right: 12px;
  padding: 0 12px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 999px;
  color: #07111f;
  background: linear-gradient(180deg, #7fc0ff, var(--accent));
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}

.field input[readonly] {
  background: #0d1728;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: rgba(90, 166, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(90, 166, 255, 0.1);
}

.field > .actions-row {
  margin-top: 12px;
}

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: var(--control-height);
  margin-bottom: 0;
  font-size: 14px;
  letter-spacing: normal;
  text-transform: none;
  color: var(--text);
  font-weight: 600;
}

.search-panel-meta,
.automation-meta-grid {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.settings-note-list {
  display: grid;
  gap: 12px;
}

.settings-note-list .info-card h4,
.settings-note-list .info-card p {
  margin: 0;
}

.settings-note-list .info-card p {
  margin-top: 6px;
}

.search-bar .field {
  flex: 1 1 240px;
}

.search-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

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

.search-panel .search-bar .field {
  flex: none;
  width: 100%;
}

.field-grid + .actions-row {
  margin-top: var(--form-action-gap);
}

.field-grid + .field-grid,
.field-grid + details,
details + .actions-row {
  margin-top: var(--form-stack-gap);
}

.form-actions-spacious {
  margin-top: var(--form-action-gap);
}

.field-actions-spacious {
  margin-top: var(--form-stack-gap);
  margin-bottom: var(--form-stack-gap);
}

.actions-row-split {
  width: 100%;
  justify-content: space-between;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

th,
td {
  padding: 11px 13px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

thead th {
  position: sticky;
  top: 0;
  background: #101d31;
  z-index: 1;
}

tbody tr {
  background: rgba(15, 27, 45, 0.72);
}

tbody tr:nth-child(even) {
  background: rgba(20, 34, 55, 0.74);
}

tbody tr:hover {
  background: rgba(90, 166, 255, 0.06);
}

.table-actions {
  align-items: center;
  justify-content: flex-end;
}

.table-actions form {
  margin: 0;
}

.table-actions .btn-secondary,
.table-actions .btn-danger,
.table-actions .btn-ghost {
  min-width: 72px;
}

.table-highlight td:first-child {
  box-shadow: inset 3px 0 0 var(--success);
}

.table-danger td:first-child {
  box-shadow: inset 3px 0 0 var(--danger);
}

.table-info td:first-child {
  box-shadow: inset 3px 0 0 var(--accent);
}

.notice-stack {
  display: grid;
  gap: 8px;
  margin-bottom: 10px;
}

.notice {
  padding: 9px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(15, 27, 45, 0.88);
  font-size: 13px;
}

.notice.success {
  color: var(--success);
  border-color: rgba(34, 197, 94, 0.24);
}

.notice.error {
  color: var(--danger);
  border-color: rgba(248, 113, 113, 0.24);
}

.notice.info {
  color: var(--accent);
  border-color: rgba(90, 166, 255, 0.24);
}

.info-grid,
.result-grid,
.assistant-grid,
.assistant-metrics {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.info-card h4,
.result-card h4,
.assistant-card h4 {
  margin: 0 0 8px;
  font-size: 14px;
}

.info-card p,
.info-card div,
.result-card p,
.result-card div {
  margin: 0 0 6px;
}

.solver-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.solver-pill {
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
}

.solver-pill.ready {
  color: var(--success);
  border-color: rgba(34, 197, 94, 0.2);
}

.solver-pill.offline {
  color: var(--danger);
  border-color: rgba(248, 113, 113, 0.2);
}

.mono-box {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #0a1524;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 10px;
  color: var(--text-soft);
  font-size: 13px;
}

.chart-shell {
  height: 300px;
  padding: 12px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #0a1524;
}

.filter-pill {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
  color: var(--text-soft);
  cursor: pointer;
}

.filter-pill.active {
  color: var(--text);
  border-color: rgba(90, 166, 255, 0.4);
  background: rgba(90, 166, 255, 0.12);
}

details {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(20, 34, 55, 0.74);
}

details summary {
  cursor: pointer;
  list-style: none;
  min-height: 48px;
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 600;
}

details summary::-webkit-details-marker {
  display: none;
}

.detail-body {
  padding: 0 14px 14px;
}

.assistant-shell {
  display: grid;
  gap: 12px;
}

.assistant-log-list {
  display: grid;
  gap: 8px;
}

.assistant-log-item {
  padding: 8px 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(15, 27, 45, 0.74);
  color: var(--text-soft);
  font-size: 12px;
}

.assistant-log-empty {
  color: var(--text-soft);
  font-size: 12px;
}

.confidence-track {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.14);
  overflow: hidden;
}

.confidence-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--success));
}

.confidence-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  color: var(--text-soft);
}

.divider {
  height: 1px;
  margin: 10px 0;
  background: rgba(148, 163, 184, 0.12);
}

.empty-state {
  padding: 20px 16px;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-soft);
  font-size: 13px;
}

.link-inline {
  color: var(--accent);
}

.spaced-top {
  margin-top: var(--form-action-gap);
}

.auth-page {
  display: grid;
  place-items: center;
}

.auth-shell {
  width: min(100%, 380px);
  padding: 32px 16px;
}

.auth-card {
  padding: 20px;
  border-radius: var(--radius-xl);
}

.auth-brand {
  display: grid;
  justify-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.auth-brand h1 {
  margin: 0;
  font-size: 20px;
}

.auth-form {
  display: grid;
  gap: 12px;
}

.auth-submit {
  width: 100%;
}

.auth-note {
  margin: 12px 0 0;
  color: var(--text-soft);
  font-size: 12px;
  text-align: center;
}

.auth-note code {
  color: var(--text);
}

@media (max-width: 1120px) {
  .hero,
  .compact-layout,
  .charts-grid {
    grid-template-columns: 1fr;
  }

  .stats-row,
  .overview-grid,
  .compact-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .page-shell {
    width: min(100%, calc(100% - 20px));
  }

  .topbar,
  .page-heading,
  .card-head,
  .card-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar,
  .search-panel .search-bar,
  .table-actions,
  .actions-row-split {
    justify-content: flex-start;
  }

  .field-grid.two-cols,
  .field-grid.three-cols,
  .price-grid,
  .meta-grid {
    grid-template-columns: 1fr;
  }
}

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

  .btn-primary,
  .btn-secondary,
  .btn-danger,
  .btn-ghost {
    width: 100%;
  }
}