:root,
:root[data-theme="light"] {
  --mathage-accent: #b6ff3c;
  --mathage-accent-2: #77d62e;
  --mathage-ink: #111814;
  --mathage-muted: #66706a;
  --mathage-line: rgba(18, 24, 20, 0.12);
  --mathage-bg:
    radial-gradient(circle at 18% 6%, rgba(182, 255, 60, 0.22), transparent 28%),
    radial-gradient(circle at 84% 14%, rgba(88, 145, 210, 0.18), transparent 34%),
    linear-gradient(140deg, #f8faf5 0%, #edf4ef 45%, #dfe9ef 100%);
  --lens-fill:
    linear-gradient(142deg, rgba(255, 255, 255, 0.48), rgba(255, 255, 255, 0.18) 48%, rgba(255, 255, 255, 0.08));
  --lens-border: rgba(255, 255, 255, 0.72);
  --lens-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.86),
    inset -1px -1px 0 rgba(85, 104, 120, 0.12),
    inset 0 -18px 38px rgba(87, 110, 130, 0.12),
    0 22px 58px rgba(42, 56, 70, 0.14);
}

:root[data-theme="dark"] {
  --mathage-ink: #f4f8f5;
  --mathage-muted: rgba(244, 248, 245, 0.68);
  --mathage-line: rgba(255, 255, 255, 0.14);
  --mathage-bg:
    radial-gradient(circle at 18% 5%, rgba(182, 255, 60, 0.14), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(63, 126, 190, 0.18), transparent 36%),
    linear-gradient(145deg, #06111c 0%, #071723 46%, #0d1d28 100%);
  --lens-fill:
    linear-gradient(142deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.065) 46%, rgba(255, 255, 255, 0.025));
  --lens-border: rgba(255, 255, 255, 0.20);
  --lens-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.32),
    inset -1px -1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -18px 42px rgba(255, 255, 255, 0.035),
    0 24px 64px rgba(0, 0, 0, 0.40);
}

html {
  background: #07131f;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--mathage-bg);
  color: var(--mathage-ink);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(19, 29, 39, 0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 29, 39, 0.10) 1px, transparent 1px);
  background-size: 112px 112px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.70), transparent 76%);
  opacity: 0.54;
}

:root[data-theme="dark"] body::before {
  background:
    linear-gradient(rgba(255, 255, 255, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.075) 1px, transparent 1px);
  opacity: 0.64;
}

.liquid-enhanced {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-color: var(--lens-border) !important;
  background: var(--lens-fill) !important;
  box-shadow: var(--lens-shadow) !important;
}

.liquid-enhanced > :not(.liquid-refract) {
  position: relative;
  z-index: 2;
}

.liquid-refract {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0.92;
}

.liquid-enhanced::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(120% 86% at 16% 0%, rgba(255, 255, 255, 0.72), transparent 36%),
    linear-gradient(105deg, transparent 0 18%, rgba(255, 255, 255, 0.50) 19%, rgba(255, 255, 255, 0.08) 29%, transparent 43%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.44), transparent 14%);
  opacity: 0.66;
}

.liquid-enhanced::after {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: 1;
  border-radius: inherit;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.30), transparent 8%, transparent 91%, rgba(22, 35, 48, 0.16)),
    radial-gradient(70% 22% at 55% 101%, rgba(182, 255, 60, 0.28), rgba(255, 149, 196, 0.18) 45%, transparent 72%);
  opacity: 0.58;
}

:root[data-theme="dark"] .liquid-enhanced::before {
  opacity: 0.38;
}

:root[data-theme="dark"] .liquid-enhanced::after {
  border-color: rgba(255, 255, 255, 0.12);
  opacity: 0.42;
}

.home-screen {
  position: relative;
  display: grid;
  min-height: 100vh;
  min-height: 100dvh;
  place-items: center;
  padding: 32px;
  overflow: hidden;
  background: transparent;
}

.home-screen[hidden],
.auth-screen[hidden],
.calculator-screen[hidden],
.app-shell[hidden] {
  display: none !important;
}

.ambient-glow {
  background:
    radial-gradient(circle at 22% 10%, rgba(182, 255, 60, 0.18), transparent 28%),
    radial-gradient(circle at 72% 20%, rgba(117, 179, 255, 0.16), transparent 34%),
    radial-gradient(circle at 54% 102%, rgba(255, 207, 117, 0.14), transparent 40%);
}

.portal-home {
  width: min(520px, 100%);
  display: grid;
  gap: 30px;
  justify-items: center;
}

.portal-logo {
  width: min(260px, 70vw);
  height: auto;
  display: block;
}

:root[data-theme="dark"] .portal-logo,
:root[data-theme="dark"] .auth-brand img,
:root[data-theme="dark"] .brand-logo,
:root[data-theme="dark"] .calc-logo img {
  filter: invert(1);
}

.portal-actions {
  width: min(620px, 100%);
  display: grid;
  gap: 14px;
}

.portal-button {
  min-height: 62px;
  border-radius: 999px;
  border: 1px solid var(--lens-border);
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--mathage-ink);
  text-decoration: none;
  font-size: 17px;
  font-weight: 780;
  letter-spacing: 0;
  line-height: 1.25;
  white-space: nowrap;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.portal-button:hover,
.portal-button:focus-visible {
  transform: translateY(-2px) scale(1.01);
  outline: none;
}

.portal-button.primary {
  background:
    radial-gradient(130% 160% at 26% 0%, #f5ffc9 0%, var(--mathage-accent) 46%, #77c720 100%) !important;
  color: #101605;
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.80),
    inset -2px -5px 10px rgba(60, 96, 6, 0.24),
    0 18px 44px rgba(182, 255, 60, 0.26) !important;
}

.auth-screen {
  background: transparent;
}

.auth-card {
  border-radius: 34px;
}

.auth-card input,
.auth-card button[type="submit"] {
  border-radius: 18px;
}

.auth-card button[type="submit"] {
  background:
    radial-gradient(130% 160% at 26% 0%, #f5ffc9 0%, var(--mathage-accent) 46%, #77c720 100%);
  color: #101605;
}

.app-shell {
  background: transparent;
}

.sidebar {
  background:
    linear-gradient(150deg, rgba(7, 19, 31, 0.82), rgba(10, 30, 39, 0.68));
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px) saturate(130%);
  -webkit-backdrop-filter: blur(10px) saturate(130%);
}

.brand-logo {
  width: 124px;
  height: auto;
}

.brand h1 {
  font-weight: 820;
}

.field select,
.toolbar input,
.toolbar button,
.logout-btn,
.time-switch,
.filter-row button,
.planner-input input {
  border-radius: 16px;
}

.main {
  position: relative;
  z-index: 1;
}

.topbar {
  border: 1px solid var(--lens-border);
  border-radius: 28px;
  padding: 16px;
}

.panel,
.data-status,
.kpi,
.side-summary,
.note-card,
.product-row,
.schedule-item,
.operation-card,
.topic-plan-card,
.priority-card {
  border-radius: 24px;
}

.panel {
  padding: 22px;
}

.route-dashboard .topbar,
.route-dashboard .panel,
.route-dashboard .data-status,
.route-dashboard .side-summary,
.route-dashboard .kpi,
.route-dashboard .insight-card,
.route-dashboard .screenshot-card,
.route-dashboard .source-check,
.route-dashboard .source-check-card,
.route-dashboard .priority-card,
.route-dashboard .threshold-card,
.route-dashboard .axis-rule-card,
.route-dashboard .guide-card,
.route-dashboard .quadrant-plot,
.route-dashboard .product-compare-card,
.route-dashboard .product-row,
.route-dashboard .schedule-item,
.route-dashboard .note-card,
.route-dashboard .table-row,
.route-dashboard .rule-card,
.route-dashboard .promotion-shortlist,
.route-dashboard .promotion-shortlist-card,
.route-dashboard .topic-plan-card,
.route-dashboard .topic-plan-item,
.route-dashboard .planner-controls,
.route-dashboard .planner-summary,
.route-dashboard .capacity-meter,
.route-dashboard .operation-card,
.route-dashboard .operation-item,
.route-dashboard .action-card,
.route-dashboard .product-radar-card,
.route-dashboard .score-details,
.route-dashboard .score-parts span,
.route-dashboard .metric-strip article,
.route-dashboard .preview-card {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.30), rgba(255, 255, 255, 0.11)) !important;
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.36),
    inset -1px -1px 0 rgba(80, 100, 116, 0.08),
    0 14px 34px rgba(24, 38, 52, 0.10) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

:root[data-theme="dark"] .route-dashboard .topbar,
:root[data-theme="dark"] .route-dashboard .panel,
:root[data-theme="dark"] .route-dashboard .data-status,
:root[data-theme="dark"] .route-dashboard .side-summary,
:root[data-theme="dark"] .route-dashboard .kpi,
:root[data-theme="dark"] .route-dashboard .insight-card,
:root[data-theme="dark"] .route-dashboard .screenshot-card,
:root[data-theme="dark"] .route-dashboard .source-check,
:root[data-theme="dark"] .route-dashboard .source-check-card,
:root[data-theme="dark"] .route-dashboard .priority-card,
:root[data-theme="dark"] .route-dashboard .threshold-card,
:root[data-theme="dark"] .route-dashboard .axis-rule-card,
:root[data-theme="dark"] .route-dashboard .guide-card,
:root[data-theme="dark"] .route-dashboard .quadrant-plot,
:root[data-theme="dark"] .route-dashboard .product-compare-card,
:root[data-theme="dark"] .route-dashboard .product-row,
:root[data-theme="dark"] .route-dashboard .schedule-item,
:root[data-theme="dark"] .route-dashboard .note-card,
:root[data-theme="dark"] .route-dashboard .table-row,
:root[data-theme="dark"] .route-dashboard .rule-card,
:root[data-theme="dark"] .route-dashboard .promotion-shortlist,
:root[data-theme="dark"] .route-dashboard .promotion-shortlist-card,
:root[data-theme="dark"] .route-dashboard .topic-plan-card,
:root[data-theme="dark"] .route-dashboard .topic-plan-item,
:root[data-theme="dark"] .route-dashboard .planner-controls,
:root[data-theme="dark"] .route-dashboard .planner-summary,
:root[data-theme="dark"] .route-dashboard .capacity-meter,
:root[data-theme="dark"] .route-dashboard .operation-card,
:root[data-theme="dark"] .route-dashboard .operation-item,
:root[data-theme="dark"] .route-dashboard .action-card,
:root[data-theme="dark"] .route-dashboard .product-radar-card,
:root[data-theme="dark"] .route-dashboard .score-details,
:root[data-theme="dark"] .route-dashboard .score-parts span,
:root[data-theme="dark"] .route-dashboard .metric-strip article,
:root[data-theme="dark"] .route-dashboard .preview-card {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.115), rgba(255, 255, 255, 0.035)) !important;
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.16),
    inset -1px -1px 0 rgba(255, 255, 255, 0.035),
    0 14px 34px rgba(0, 0, 0, 0.22) !important;
}

.route-dashboard .time-switch,
.route-dashboard .status-pill,
.route-dashboard .summary-pills span,
.route-dashboard .summary-pills button,
.route-dashboard .legend span,
.route-dashboard .legend-chip,
.route-dashboard .mini-pill,
.route-dashboard .row-meta span,
.route-dashboard .note-metrics span,
.route-dashboard .schedule-meta span,
.route-dashboard .filter-row .risk-pill,
.route-dashboard .guide-card span,
.route-dashboard .priority-card span,
.route-dashboard .quadrant-zone span,
.route-dashboard .threshold-label,
.route-dashboard .compare span,
.route-dashboard .quick-row span,
.route-dashboard .theme-toggle,
.route-dashboard .preview-card > span,
.route-dashboard .brand-mark,
.route-dashboard .shot-placeholder,
.route-dashboard .auth-card input,
.route-dashboard .field select,
.route-dashboard .toolbar input,
.route-dashboard .margin-control input,
.route-dashboard .planner-input input {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.status-pill,
.summary-pills span,
.legend-chip,
.quick-row span {
  border: 1px solid var(--mathage-line);
  background: rgba(255, 255, 255, 0.24);
}

.calculator-screen {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 24px;
  overflow: hidden auto;
  background: transparent;
  color: var(--mathage-ink);
}

.calculator-shell {
  position: relative;
  z-index: 1;
  width: min(1440px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 22px;
}

.calculator-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  border: 1px solid var(--lens-border);
  border-radius: 999px;
  padding: 12px 14px 12px 24px;
}

.calc-logo {
  display: inline-flex;
  align-items: center;
}

.calc-logo img {
  width: 150px;
  height: auto;
  display: block;
}

.calc-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.calc-link,
.calc-theme {
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid var(--mathage-line);
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--mathage-ink);
  background: rgba(255, 255, 255, 0.22);
  text-decoration: none;
  cursor: pointer;
}

.calc-theme {
  width: 44px;
  padding: 0;
}

.calculator-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(420px, 1.32fr) minmax(280px, 0.76fr);
  gap: 20px;
  align-items: start;
}

.calculator-card,
.calc-result-card,
.calc-input-card,
.calc-advice,
.calc-install-card,
.calc-tool {
  border: 1px solid var(--lens-border);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0.12));
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.48),
    inset -1px -1px 0 rgba(80, 100, 116, 0.08),
    0 18px 42px rgba(32, 48, 64, 0.10);
}

:root[data-theme="dark"] .calculator-card,
:root[data-theme="dark"] .calc-result-card,
:root[data-theme="dark"] .calc-input-card,
:root[data-theme="dark"] .calc-advice,
:root[data-theme="dark"] .calc-install-card,
:root[data-theme="dark"] .calc-tool {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.18),
    inset -1px -1px 0 rgba(255, 255, 255, 0.035),
    0 18px 42px rgba(0, 0, 0, 0.24);
}

.calculator-card,
.calc-workspace,
.calc-side {
  display: grid;
  gap: 16px;
}

.calc-hero-card,
.calc-ai-card,
.calc-install-card,
.calc-result-card,
.calc-input-card,
.calc-advice {
  border-radius: 30px;
  padding: 22px;
}

.calc-ai-card {
  position: relative;
  min-height: 420px;
  display: grid;
  grid-template-rows: auto minmax(128px, 1fr) auto auto;
  gap: 18px;
  overflow: hidden;
}

.calc-ai-copy {
  max-width: 430px;
}

.calc-ai-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--mathage-accent);
  font-size: 13px;
  font-weight: 840;
}

.calc-ai-brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.calc-ai-card h1 {
  margin: 18px 0 0;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 0.98;
  font-weight: 900;
}

.calc-ai-card p {
  margin: 14px 0 0;
  color: var(--mathage-muted);
  font-size: 16px;
  line-height: 1.6;
}

.calc-scene-art {
  width: min(360px, 70%);
  align-self: center;
  justify-self: end;
  margin-top: -120px;
  margin-right: -12px;
  filter: drop-shadow(0 30px 36px rgba(0, 0, 0, 0.20));
  pointer-events: none;
}

.calc-ai-input {
  position: relative;
}

.calc-ai-input textarea {
  width: 100%;
  min-height: 118px;
  resize: vertical;
  border: 1px solid var(--mathage-line);
  border-radius: 26px;
  padding: 18px 64px 18px 18px;
  background: rgba(255, 255, 255, 0.34);
  color: var(--mathage-ink);
  line-height: 1.55;
}

:root[data-theme="dark"] .calc-ai-input textarea {
  background: rgba(255, 255, 255, 0.075);
}

.calc-ai-send {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 30% 20%, #f5ffc9, var(--mathage-accent) 52%, #6fbd19 100%);
  cursor: pointer;
  box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.72), 0 10px 24px rgba(108, 178, 24, 0.24);
}

.calc-ai-send img {
  width: 18px;
  height: 18px;
}

.calc-quick-strip {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.calc-quick-chip {
  min-height: 44px;
  border: 1px solid var(--mathage-line);
  border-radius: 999px;
  padding: 0 14px 0 10px;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.22);
  color: var(--mathage-ink);
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
}

.calc-quick-chip img {
  width: 22px;
  height: 22px;
}

.calc-ai-current {
  display: inline-grid;
  grid-template-columns: 34px auto 1fr;
  gap: 10px;
  align-items: center;
  width: max-content;
  max-width: 100%;
  border: 1px solid var(--mathage-line);
  border-radius: 999px;
  padding: 8px 14px 8px 9px;
  background: rgba(255, 255, 255, 0.20);
}

.calc-ai-current img {
  width: 34px;
  height: 34px;
}

.calc-ai-current span {
  color: var(--mathage-muted);
  font-size: 12px;
}

.calc-ai-current strong {
  font-size: 14px;
}

.calc-kicker {
  margin: 0 0 10px;
  color: var(--mathage-accent);
  font-size: 13px;
  font-weight: 820;
}

.calc-title {
  margin: 0;
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.02;
  font-weight: 880;
  letter-spacing: 0;
}

.calc-subtitle {
  margin: 14px 0 0;
  color: var(--mathage-muted);
  font-size: 16px;
  line-height: 1.7;
  white-space: pre-line;
}

.calc-hero-art {
  width: min(270px, 84%);
  margin: 10px auto 0;
  display: block;
  filter: drop-shadow(0 26px 34px rgba(0, 0, 0, 0.22));
}

.calc-section-title {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 840;
}

.calc-section-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.calc-section-row .calc-section-title {
  margin: 0;
}

.calc-section-row span {
  color: var(--mathage-muted);
  font-size: 12px;
  font-weight: 720;
}

.calc-tool-grid {
  display: grid;
  gap: 10px;
}

.calc-category {
  display: grid;
  gap: 10px;
}

.calc-category-label {
  color: var(--mathage-muted);
  font-size: 13px;
  font-weight: 760;
}

.calc-tool {
  width: 100%;
  min-height: 82px;
  border-radius: 24px;
  padding: 12px;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  color: var(--mathage-ink);
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease;
}

.calc-tool:hover,
.calc-tool:focus-visible,
.calc-scenario:hover,
.calc-scenario:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.calc-tool.active {
  box-shadow:
    inset 0 0 0 1px rgba(182, 255, 60, 0.42),
    0 18px 36px rgba(182, 255, 60, 0.12) !important;
}

.calc-tool img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.calc-scenario-card {
  border-radius: 30px;
  padding: 18px;
}

.calc-scenario-list {
  display: grid;
  gap: 10px;
}

.calc-scenario {
  width: 100%;
  min-height: 70px;
  border: 1px solid var(--mathage-line);
  border-radius: 22px;
  padding: 10px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  background: rgba(255, 255, 255, 0.18);
  color: var(--mathage-ink);
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.calc-scenario.active,
.calc-tool.active {
  border-color: rgba(182, 255, 60, 0.62);
  background: rgba(182, 255, 60, 0.14);
}

.calc-scenario img {
  width: 42px;
  height: 42px;
}

.calc-scenario strong,
.calc-scenario small {
  display: block;
}

.calc-scenario strong {
  font-size: 14px;
  font-weight: 840;
}

.calc-scenario small {
  margin-top: 5px;
  color: var(--mathage-muted);
  font-size: 12px;
  line-height: 1.35;
}

.calc-tool strong,
.calc-tool span {
  display: block;
  min-width: 0;
}

.calc-tool strong {
  font-size: 15px;
  font-weight: 820;
}

.calc-tool span {
  margin-top: 5px;
  color: var(--mathage-muted);
  font-size: 12px;
  line-height: 1.35;
  white-space: pre-line;
}

.calc-current-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 118px;
  gap: 16px;
  align-items: center;
}

.calc-current-head h1 {
  margin: 0;
  font-size: clamp(30px, 3vw, 46px);
  line-height: 1.08;
  font-weight: 880;
}

.calc-current-head p {
  margin: 8px 0 0;
  color: var(--mathage-muted);
  line-height: 1.6;
  white-space: pre-line;
}

.calc-current-head img {
  width: 118px;
  height: 118px;
  object-fit: contain;
  justify-self: end;
}

.main-result {
  margin-top: 18px;
  padding: 22px;
  border-radius: 26px;
  background:
    radial-gradient(120% 120% at 22% 0%, #f4ffc6 0%, var(--mathage-accent) 50%, #75c422 100%);
  color: #101605;
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.74),
    inset -2px -7px 12px rgba(51, 82, 0, 0.20);
}

.main-result.liquid-enhanced {
  background:
    radial-gradient(120% 120% at 22% 0%, #f4ffc6 0%, var(--mathage-accent) 50%, #75c422 100%) !important;
  color: #101605;
}

.main-result span {
  display: block;
  font-size: 13px;
  font-weight: 780;
}

.main-result strong {
  display: block;
  margin-top: 10px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1;
  font-weight: 900;
}

.calc-result-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.calc-result-item {
  min-height: 92px;
  border-radius: 22px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid var(--mathage-line);
}

.calc-result-item span {
  display: block;
  color: var(--mathage-muted);
  font-size: 13px;
}

.calc-result-item strong {
  display: block;
  margin-top: 8px;
  font-size: 22px;
  line-height: 1.16;
}

.calc-advice {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.calc-advice-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #ffd67a;
  color: #2a1b00;
  font-weight: 900;
}

.calc-advice p {
  margin: 0;
  line-height: 1.65;
}

.calc-input-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.calc-field {
  min-width: 0;
  display: grid;
  gap: 8px;
}

.calc-field label {
  color: var(--mathage-muted);
  font-size: 13px;
  line-height: 1.35;
}

.calc-control {
  position: relative;
}

.calc-field input,
.calc-field select {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--mathage-line);
  border-radius: 16px;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.38);
  color: var(--mathage-ink);
}

:root[data-theme="dark"] .calc-field input,
:root[data-theme="dark"] .calc-field select {
  background: rgba(255, 255, 255, 0.08);
}

.calc-unit {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--mathage-muted);
  font-size: 12px;
  pointer-events: none;
}

.calc-field.has-unit input {
  padding-right: 44px;
}

.calc-next {
  width: 100%;
  min-height: 54px;
  margin-top: 12px;
  border: 0;
  border-radius: 999px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.20);
  color: var(--mathage-ink);
  text-align: left;
  cursor: pointer;
}

.formula-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  color: var(--mathage-muted);
  font-size: 14px;
  line-height: 1.55;
}

.calc-install-card h2,
.calc-install-card p {
  margin: 0;
}

.calc-install-card h2 {
  font-size: 20px;
}

.calc-install-card p {
  margin-top: 10px;
  color: var(--mathage-muted);
  line-height: 1.7;
}

.install-steps {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--mathage-muted);
  line-height: 1.7;
}

.install-badge {
  width: max-content;
  max-width: 100%;
  margin-top: 16px;
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(182, 255, 60, 0.16);
  color: var(--mathage-ink);
  font-size: 13px;
  font-weight: 760;
}

@media (max-width: 1180px) {
  .calculator-layout {
    grid-template-columns: minmax(240px, 0.76fr) minmax(0, 1.24fr);
  }

  .calc-side {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  body::before {
    background-size: 76px 76px;
  }

  .home-screen {
    padding: 24px;
  }

  .portal-logo {
    width: min(222px, 72vw);
  }

  .portal-button {
    min-height: 58px;
    font-size: 15px;
    white-space: normal;
  }

  .app-shell {
    display: block;
  }

  .sidebar {
    position: relative;
    height: auto;
    padding: 18px;
  }

  .brand {
    justify-content: space-between;
  }

  .brand-logo {
    width: 112px;
  }

  .nav {
    display: flex;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .nav a {
    flex: 0 0 auto;
  }

  .main {
    padding: 16px;
  }

  .topbar,
  .panel,
  .data-status {
    border-radius: 24px;
  }

  .toolbar {
    min-width: 0;
    width: 100%;
    flex-wrap: wrap;
  }

  .toolbar input {
    min-width: min(100%, 260px);
    flex: 1;
  }

  .calculator-screen {
    padding: 14px;
  }

  .calculator-header {
    border-radius: 28px;
    align-items: flex-start;
    gap: 12px;
    flex-direction: column;
  }

  .calc-header-actions {
    width: 100%;
    overflow-x: auto;
  }

  .calculator-layout,
  .calc-side {
    grid-template-columns: 1fr;
  }

  .calculator-card {
    order: 2;
  }

  .calc-workspace {
    order: 1;
  }

  .calc-side {
    order: 3;
  }

  .calc-current-head {
    grid-template-columns: 1fr 86px;
  }

  .calc-current-head img {
    width: 86px;
    height: 86px;
  }

  .calc-input-grid,
  .calc-result-grid {
    grid-template-columns: 1fr;
  }
}