:root {
  color-scheme: light;
  --rgpt-bg: #f5f7fb;
  --rgpt-surface: #ffffff;
  --rgpt-surface-muted: #f8fafc;
  --rgpt-text: #101828;
  --rgpt-muted: #5d6678;
  --rgpt-border: #d8dfeb;
  --rgpt-border-strong: #aab6ca;
  --rgpt-primary: #174ea6;
  --rgpt-primary-hover: #103f87;
  --rgpt-danger: #b42318;
  --rgpt-success: #067647;
  --rgpt-warning: #a15c07;
  --rgpt-shadow: 0 14px 36px rgba(31, 45, 61, .08);
  --rgpt-page-start: #eef3fb;
  --rgpt-page-mid: #f8fafc;
  --rgpt-header: rgba(245, 247, 251, .94);
  --rgpt-interactive: #ffffff;
  --rgpt-primary-soft: #eef4ff;
  --rgpt-info-bg: #eff6ff;
  --rgpt-info-border: #bfdbfe;
  --rgpt-success-bg: #ecfdf3;
  --rgpt-success-border: #abefc6;
  --rgpt-warning-bg: #fffaeb;
  --rgpt-warning-border: #fedf89;
  --rgpt-danger-bg: #fef3f2;
  --rgpt-danger-border: #fecdca;
  --rgpt-on-primary: #ffffff;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --rgpt-bg: #0b1120;
  --rgpt-surface: #121a2b;
  --rgpt-surface-muted: #182235;
  --rgpt-text: #edf2f7;
  --rgpt-muted: #a8b3c5;
  --rgpt-border: #2b3950;
  --rgpt-border-strong: #465872;
  --rgpt-primary: #7db2ff;
  --rgpt-primary-hover: #a8cbff;
  --rgpt-danger: #ff8a80;
  --rgpt-success: #55d99a;
  --rgpt-warning: #f8c76a;
  --rgpt-shadow: 0 14px 36px rgba(0, 0, 0, .28);
  --rgpt-page-start: #101a2d;
  --rgpt-page-mid: #0d1525;
  --rgpt-header: rgba(11, 17, 32, .94);
  --rgpt-interactive: #182235;
  --rgpt-primary-soft: #172b4d;
  --rgpt-info-bg: #102844;
  --rgpt-info-border: #285888;
  --rgpt-success-bg: #0f3026;
  --rgpt-success-border: #256348;
  --rgpt-warning-bg: #35280f;
  --rgpt-warning-border: #72531a;
  --rgpt-danger-bg: #371b20;
  --rgpt-danger-border: #73343a;
  --rgpt-on-primary: #07111f;
}

html {
  background: var(--rgpt-bg);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  display: block;
  overflow-x: hidden;
  color: var(--rgpt-text);
  background:
    linear-gradient(180deg, var(--rgpt-page-start) 0, var(--rgpt-page-mid) 220px, var(--rgpt-bg) 100%);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

body,
body > header,
body > main,
body > footer {
  max-width: none;
}

body > main[role="main"] {
  grid-column: auto;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 34px 0 52px;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--rgpt-border);
  background: var(--rgpt-header);
  backdrop-filter: blur(10px);
}

.app-navbar {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 10px 24px;
}

.app-navbar .navbar-brand {
  color: var(--rgpt-primary);
  font-weight: 800;
  font-size: 1.08rem;
  letter-spacing: 0;
}

.app-navbar .nav-link {
  border-radius: 8px;
  color: var(--rgpt-text);
  font-weight: 650;
  line-height: 1.1;
  padding: 9px 11px;
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link:focus {
  background: var(--rgpt-interactive);
  color: var(--rgpt-primary);
}

.app-navbar .dropdown-toggle {
  border: 0;
  background: transparent;
}

.app-navbar .dropdown-menu {
  border-color: var(--rgpt-border);
  border-radius: 8px;
  background: var(--rgpt-surface);
  box-shadow: var(--rgpt-shadow);
}

.app-navbar .dropdown-item {
  color: var(--rgpt-text);
  font-weight: 600;
}

.app-navbar .dropdown-item:hover,
.app-navbar .dropdown-item:focus {
  background: var(--rgpt-primary-soft);
  color: var(--rgpt-primary);
}

.app-navbar .navbar-toggler {
  border-color: var(--rgpt-border-strong);
  background: transparent;
  color: var(--rgpt-text);
  min-height: auto;
  padding: 4px 8px;
  box-shadow: none;
}

.nav-auth {
  align-items: center;
  gap: 8px;
}

.nav-user {
  color: var(--rgpt-muted);
  font-size: .92rem;
  white-space: nowrap;
}

.nav-form {
  display: inline;
  margin: 0;
}

.nav-form .btn {
  min-height: 34px;
  border-color: var(--rgpt-border-strong);
  background: var(--rgpt-interactive);
  color: var(--rgpt-text);
  font-size: .9rem;
  font-weight: 650;
  padding: 6px 10px;
}

.nav-form .btn:hover,
.nav-form .btn:focus {
  border-color: var(--rgpt-primary);
  background: var(--rgpt-interactive);
  color: var(--rgpt-primary);
}

footer {
  margin: 0 auto;
  width: min(1180px, calc(100% - 48px));
  color: var(--rgpt-muted);
  text-align: center;
}

h1, h2, h3, h4 {
  letter-spacing: 0;
  color: var(--rgpt-text);
}

h1 {
  margin: 0 0 22px;
  font-size: clamp(2rem, 3vw, 2.85rem);
}

h2 {
  margin-top: 0;
}

p {
  color: var(--rgpt-muted);
}

a {
  color: var(--rgpt-primary);
}

.card,
.panel,
form:not(.nav-form),
table,
pre {
  border: 1px solid var(--rgpt-border);
  border-radius: 8px;
  background: var(--rgpt-surface);
  box-shadow: var(--rgpt-shadow);
}

.card,
.panel {
  padding: 20px;
  margin: 18px 0;
}

.stack {
  display: grid;
  gap: 18px;
}

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

.eyebrow {
  margin: -10px 0 24px;
  color: var(--rgpt-muted);
}

.alert {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--rgpt-border);
  background: var(--rgpt-surface-muted);
  color: var(--rgpt-text);
  overflow-wrap: anywhere;
}

.alert a {
  margin-left: 10px;
  font-weight: 700;
}

.alert-info {
  border-color: var(--rgpt-info-border);
  background: var(--rgpt-info-bg);
}

.alert-success {
  border-color: var(--rgpt-success-border);
  background: var(--rgpt-success-bg);
  color: var(--rgpt-success);
}

.alert-warning {
  border-color: var(--rgpt-warning-border);
  background: var(--rgpt-warning-bg);
  color: var(--rgpt-warning);
}

.alert-danger {
  border-color: var(--rgpt-danger-border);
  background: var(--rgpt-danger-bg);
  color: var(--rgpt-danger);
}

.license-banner {
  width: min(1180px, calc(100% - 48px));
  margin: 16px auto 0;
  box-shadow: none;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.metric {
  padding: 14px;
  border: 1px solid var(--rgpt-border);
  border-radius: 8px;
  background: var(--rgpt-surface);
}

.metric strong,
.metric-label {
  display: block;
  margin-bottom: 4px;
  color: var(--rgpt-muted);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.metric-value {
  color: var(--rgpt-text);
  font-size: 1.3rem;
  font-weight: 750;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 9px;
  border-radius: 999px;
  background: #e8eefc;
  color: var(--rgpt-primary);
  font-size: .78rem;
  font-weight: 750;
}

.badge-live {
  background: #dcfae6;
  color: var(--rgpt-success);
}

.badge-paper {
  background: #e0e7ff;
  color: #3730a3;
}

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin: 14px 0 18px;
}

.toolbar-label {
  color: var(--rgpt-muted);
  font-weight: 750;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid var(--rgpt-border);
  border-radius: 999px;
  background: var(--rgpt-interactive);
  color: var(--rgpt-text);
  font-weight: 650;
  text-decoration: none;
}

.chip:hover,
.chip-active {
  border-color: var(--rgpt-primary);
  color: var(--rgpt-primary);
  background: var(--rgpt-primary-soft);
  text-decoration: none;
}

form:not(.nav-form) {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: 20px;
}

label {
  display: block;
  margin: 14px 0 6px;
  color: var(--rgpt-text);
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--rgpt-border-strong);
  border-radius: 8px;
  background: var(--rgpt-interactive);
  color: var(--rgpt-text);
  padding: 10px 12px;
  font: inherit;
}

input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
}

small,
.form-text {
  color: var(--rgpt-muted);
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid var(--rgpt-primary);
  border-radius: 8px;
  background: var(--rgpt-primary);
  color: var(--rgpt-on-primary);
  font: inherit;
  font-weight: 750;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
}

button:hover,
.button:hover {
  background: var(--rgpt-primary-hover);
  color: var(--rgpt-on-primary);
  text-decoration: none;
}

.button-secondary,
button.secondary {
  border-color: var(--rgpt-border-strong);
  background: var(--rgpt-interactive);
  color: var(--rgpt-text);
}

.button-danger,
button.danger,
.btn-danger {
  border-color: var(--rgpt-danger);
  background: var(--rgpt-danger);
  color: var(--rgpt-on-primary);
}

.form-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 18px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px 16px;
}

.table-wrap {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  border: 1px solid var(--rgpt-border);
  border-radius: 8px;
  background: var(--rgpt-surface);
  box-shadow: var(--rgpt-shadow);
}

.table-wrap table {
  border: 0;
  border-radius: 0;
  box-shadow: none;
  margin: 0;
  min-width: max-content;
}

.data-table {
  min-width: 1120px;
}

table {
  width: 100%;
  margin: 18px 0;
  border-collapse: collapse;
  overflow: hidden;
}

th {
  background: var(--rgpt-surface-muted);
  color: var(--rgpt-muted);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

th,
td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--rgpt-border);
  text-align: left;
  vertical-align: top;
}

tr:last-child td {
  border-bottom: 0;
}

td form:not(.nav-form) {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

td button {
  min-height: 34px;
  white-space: nowrap;
}

pre {
  padding: 14px;
  overflow: auto;
  white-space: pre-wrap;
  color: var(--rgpt-text);
}

.table-pre {
  margin: 0;
  border: 0;
  box-shadow: none;
  background: transparent;
  padding: 0;
}

.rgpt-price-row {
  display: flex;
  gap: 18px;
  align-items: baseline;
  flex-wrap: wrap;
}

.rgpt-price {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
}

.rgpt-status-line {
  margin-top: 14px;
  color: var(--rgpt-muted);
}

.rgpt-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, max-content));
  gap: 14px;
  align-items: end;
}

.rgpt-card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.rgpt-card-heading h3 {
  margin: 0;
}

.rgpt-card-heading label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.rgpt-card-heading select {
  width: auto;
  min-width: 8rem;
}

.rgpt-symbol-settings {
  margin: 1rem 0;
}

.rgpt-symbol-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 0.75rem;
}

.rgpt-symbol-options label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
}

.rgpt-controls .rgpt-cycle {
  min-width: 180px;
}

.rgpt-controls .rgpt-cycle input {
  max-width: 180px;
}

.rgpt-ops-title {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.rgpt-ops-title h2 {
  margin: 0 0 2px;
}

.rgpt-inline-form {
  width: auto !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.rgpt-guard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.rgpt-guard-pass {
  border-color: var(--rgpt-success-border);
}

.rgpt-guard-warning {
  border-color: var(--rgpt-warning-border);
}

.rgpt-guard-fail {
  border-color: var(--rgpt-danger-border);
}

.rgpt-positive {
  color: var(--rgpt-success) !important;
}

.rgpt-negative {
  color: var(--rgpt-danger) !important;
}

.rgpt-plain-list {
  margin: 8px 0 0;
  padding-left: 20px;
}

.rgpt-check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 8px 14px;
  margin: 14px 0 0;
}

.theme-toggle {
  position: relative;
  display: inline-grid;
  grid-template-columns: 18px auto;
  gap: 7px;
  align-items: center;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid var(--rgpt-border-strong);
  border-radius: 999px;
  background: var(--rgpt-interactive);
  color: var(--rgpt-text);
  font-size: .88rem;
  font-weight: 700;
  line-height: 1;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: var(--rgpt-primary);
  background: var(--rgpt-primary-soft);
  color: var(--rgpt-primary);
}

.theme-toggle:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--rgpt-primary) 35%, transparent);
  outline-offset: 2px;
}

.theme-toggle-icon {
  grid-area: 1 / 1;
  font-size: 1rem;
  line-height: 1;
  transition: opacity 140ms ease, transform 140ms ease;
}

.theme-toggle-moon,
html[data-theme="dark"] .theme-toggle-sun {
  opacity: 0;
  transform: scale(.65) rotate(-25deg);
}

html[data-theme="dark"] .theme-toggle-moon {
  opacity: 1;
  transform: scale(1) rotate(0);
}

html[data-theme="dark"] .badge {
  background: #20365c;
}

html[data-theme="dark"] .badge-live {
  background: #164631;
}

html[data-theme="dark"] .badge-paper {
  background: #292b65;
  color: #c7d2fe;
}

html[data-theme="dark"] .button-danger,
html[data-theme="dark"] button.danger,
html[data-theme="dark"] .btn-danger {
  color: #ffffff;
}

html[data-theme="dark"] input::placeholder,
html[data-theme="dark"] textarea::placeholder {
  color: #7f8da3;
}

@media (prefers-reduced-motion: reduce) {
  .theme-toggle-icon {
    transition: none;
  }
}

@media (max-width: 700px) {
  body > main[role="main"],
  footer,
  .license-banner {
    width: calc(100% - 28px);
    max-width: calc(100% - 28px);
  }

  body > main[role="main"] {
    overflow-x: hidden;
  }

  .app-navbar {
    padding: 8px 14px;
  }

  .app-navbar .navbar-collapse {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--rgpt-border);
  }

  .app-navbar .nav-link {
    padding: 10px 6px;
  }

  .nav-auth {
    align-items: flex-start;
    padding-top: 4px;
  }

  .theme-toggle {
    margin: 3px 0 6px;
  }

  .nav-user {
    white-space: normal;
    overflow-wrap: anywhere;
  }

  h1 {
    font-size: 2rem;
  }

  .alert a {
    display: inline-block;
    margin-left: 0;
    margin-top: 4px;
  }

  .card,
  .panel,
  form:not(.nav-form) {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 16px;
  }

  .rgpt-controls {
    grid-template-columns: 1fr;
  }

  .rgpt-controls button,
  .rgpt-controls .rgpt-cycle input {
    width: 100%;
    max-width: none;
  }
}

/* Charts owns its working canvas, but keeps the shared nav/forms/buttons above. */
.rgpt-login-card {
  max-width: 460px;
}

.rgpt-login-card form {
  display: grid;
  gap: 10px;
}

.rgpt-action-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.rgpt-action-cell form {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.rgpt-user-agent {
  display: block;
  max-width: 340px;
  overflow-wrap: anywhere;
}

body.page-charts,
body.page-charts header,
body.page-charts main,
body.page-charts footer {
  max-width: none !important;
}

body.page-charts {
  padding: 0 !important;
}

body.page-charts > main[role="main"] {
  width: 100%;
  padding: 18px 24px 24px !important;
}

@media (max-width: 700px) {
  body.page-charts > main[role="main"] {
    padding: 12px 14px 20px !important;
  }
}