@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap");

:root {
  --bg: #f1f1f2;
  --card: #ffffff;
  --line: #d5d9e2;
  --text: #162231;
  --muted: #58667c;
}

* {
  box-sizing: border-box;
}

body,
body * {
  font-family: "Roboto", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

h1,
h2,
h3,
h4 {
  font-family: "Roboto", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif !important;
  font-weight: 600;
}

body {
  --primary: var(--theme-light-primary, #000e75);
  --secondary: var(--theme-light-secondary, #f47859);
  --secondary-bg: color-mix(in srgb, var(--primary) 14%, transparent);
  --secondary-bg-hover: color-mix(in srgb, var(--primary) 22%, transparent);
  --secondary-border: color-mix(in srgb, var(--primary) 30%, transparent);
  --client-summary-bg: color-mix(in srgb, var(--secondary) 14%, #ffffff);
  --client-summary-text: color-mix(in srgb, var(--secondary) 86%, #1d2533);
  --client-summary-border: color-mix(in srgb, var(--secondary) 34%, #cfd6df);
  margin: 0;
  font-family: "Roboto", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body.admin-page {
  background: #f1f1f2;
}

.portal-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 8px 20px 6px;
}

.portal-brand {
  display: grid;
  grid-template-columns: auto auto;
  grid-template-areas:
    "logo title"
    "logo by";
  align-items: center;
  column-gap: 10px;
  row-gap: 2px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.portal-brand h1 {
  grid-area: title;
  margin: 0;
  font-size: 2rem;
  line-height: 1;
  color: var(--primary);
  font-family: "Roboto", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  font-weight: 600;
}

.portal-by {
  grid-area: by;
  color: var(--muted);
  font-size: 12px;
  align-self: start;
  margin: 0;
  margin-left: 4.6ch;
}

.mse-logo {
  grid-area: logo;
  width: 62px;
  height: 34px;
  display: block;
  --main-color: var(--primary);
  --secondary-color: #bfbfbf;
}

.mse-logo .main-line {
  fill: none;
  stroke: var(--main-color);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 260;
  stroke-dashoffset: 260;
  animation: draw-main 1.1s ease forwards 0.4s;
}

.mse-logo .back-line {
  fill: none;
  stroke: var(--secondary-color);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 260;
  stroke-dashoffset: 260;
  animation: draw-back 1.1s ease forwards;
}

.mse-logo .node {
  fill: var(--main-color);
  opacity: 0;
  transform: scale(0.6);
  transform-origin: center;
  animation: node-pop 0.35s ease forwards;
}

.mse-logo .n1 { animation-delay: 1.1s; }
.mse-logo .n2 { animation-delay: 1.2s; }
.mse-logo .n3 { animation-delay: 1.3s; }
.mse-logo .n4 { animation-delay: 1.4s; }
.mse-logo .n5 { animation-delay: 1.5s; }

@keyframes draw-back {
  to { stroke-dashoffset: 0; }
}

@keyframes draw-main {
  to { stroke-dashoffset: 0; }
}

@keyframes node-pop {
  0% { opacity: 0; transform: scale(0.6); }
  70% { opacity: 1; transform: scale(1.15); }
  100% { opacity: 1; transform: scale(1); }
}

.portal-wrap {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 24px;
}

.portal-card {
  width: min(560px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  box-shadow: none;
}

.portal-title {
  margin: 0 0 8px;
  font-size: 28px;
  color: var(--primary);
}

.portal-title,
.dash-greeting,
.landing-title,
.portal-modal-head h2 {
  font-family: "Roboto", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  font-weight: 600;
}

.portal-subtitle {
  margin: 0 0 20px;
  color: var(--muted);
}

.portal-field {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.portal-label {
  font-weight: 600;
}

.portal-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  font-weight: 400;
}

.password-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.password-toggle {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  font-size: 17px;
  line-height: 1;
}

.password-toggle:hover {
  background: #f7f9fc;
}

.portal-input:focus {
  outline: none;
  border-color: var(--primary);
}

.portal-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.portal-btn {
  border: 1px solid var(--secondary-border);
  border-radius: 10px;
  background: var(--secondary-bg);
  color: var(--primary);
  padding: 9px 14px;
  font: inherit;
  font-weight: 500;
  line-height: 1.1;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.12s ease;
}

.portal-btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.portal-btn:hover {
  background: var(--secondary-bg-hover);
  transform: translateY(-1px);
}

.portal-btn-primary:hover {
  background: color-mix(in srgb, var(--primary) 86%, black);
  border-color: color-mix(in srgb, var(--primary) 86%, black);
}

.portal-error {
  margin-top: 14px;
  color: #a92f45;
  background: #ffeef2;
  border: 1px solid #f5c5cf;
  border-radius: 10px;
  padding: 10px 12px;
}

.portal-success {
  margin-top: 14px;
  color: var(--primary);
  background: var(--secondary-bg);
  border: 1px solid var(--secondary-border);
  border-radius: 10px;
  padding: 10px 12px;
}

.dash-wrap {
  flex: 1;
  width: min(980px, 100%);
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
}

.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.dash-header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 0;
  width: 100%;
  align-items: center;
}

.admin-save-btn {
  margin-left: 0;
}

.admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-items: flex-end;
  padding-left: 0;
}

.admin-tab {
  min-width: 112px;
  border-radius: 10px 10px 0 0;
  background: color-mix(in srgb, var(--primary) 10%, #ffffff);
  border: 1px solid #cfd6df;
  border-bottom: none;
  color: color-mix(in srgb, var(--primary) 78%, #355056);
  margin-right: 6px;
  margin-bottom: -1px;
  position: static;
  z-index: 1;
}

.admin-tab.is-active {
  background: #ffffff;
  border-color: #cfd6df;
  color: var(--primary);
  z-index: 3;
}

.admin-tab:hover {
  background: color-mix(in srgb, var(--primary) 16%, #ffffff);
}

.admin-tab.is-active:hover {
  background: #ffffff;
}

.admin-tab-panels {
  border: 1px solid #cfd6df;
  border-radius: 0 12px 12px 12px;
  background: #ffffff;
  padding: 14px;
  margin-top: 0;
}

.admin-tab-panel[hidden] {
  display: none !important;
}

.dash-greeting {
  margin: 0;
  font-size: 28px;
  color: var(--primary);
}

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

.dash-controls label {
  color: var(--muted);
  font-weight: 500;
}

.lang-icon-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.globe-icon {
  display: inline-flex;
  width: 16px;
  height: 16px;
  color: var(--muted);
  opacity: 0.95;
}

.globe-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.study-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.study-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}

.study-thumb {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  margin-bottom: 10px;
}

.study-thumb img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}

.study-title {
  margin: 0 0 6px;
  font-size: 18px;
}

.study-id {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  word-break: break-word;
}

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

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

.font-picker-label {
  font-weight: 600;
  color: var(--muted);
}

.font-picker-select {
  width: 220px;
}

.admin-clients-host {
  display: grid;
  gap: 14px;
}

.admin-clients-card {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  margin: 0;
}

.admin-clients-card > h3 {
  margin: 0 0 12px;
  color: var(--primary);
}

.admin-readme-card {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  margin: 0;
}

.admin-my-studies-card {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  margin: 0;
}

.admin-my-studies-card .admin-studies-head h3 {
  color: var(--primary);
}

.admin-my-studies-card .portal-subtitle {
  color: #23473f;
}

.admin-readme-card h3 {
  margin: 0 0 6px;
}

.admin-readme-card h4 {
  margin: 6px 0 8px;
  color: var(--primary);
}

.admin-readme-card .portal-subtitle {
  margin: 0 0 12px;
}

.admin-settings-stack {
  display: grid;
  gap: 16px;
  margin-top: 12px;
}

.admin-settings-stack > label {
  display: grid;
  gap: 10px;
  max-width: 340px;
}

.admin-settings-stack > label .portal-input {
  width: 220px;
}

.admin-settings-hidden {
  display: none !important;
}

.admin-settings-stack .toggle-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 14px;
  margin: 0;
  max-width: 420px;
}

.admin-color-settings {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px 18px;
  align-items: end;
  margin: 6px 0 8px;
}

.admin-color-settings label {
  display: grid;
  gap: 8px;
  max-width: 240px;
}

.admin-color-settings input[type="color"] {
  width: 120px;
  height: 40px;
  padding: 4px;
  border-radius: 10px;
}

.admin-readme-card summary,
.admin-my-studies-card summary,
.admin-client-card summary,
.admin-study summary,
.admin-client-theme-panel summary {
  cursor: pointer;
  list-style: none;
}

.admin-readme-card summary::-webkit-details-marker,
.admin-my-studies-card summary::-webkit-details-marker,
.admin-client-card summary::-webkit-details-marker,
.admin-study summary::-webkit-details-marker,
.admin-client-theme-panel summary::-webkit-details-marker {
  display: none;
}

.admin-readme-summary,
.admin-my-studies-summary,
.admin-client-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  border-radius: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(11, 95, 84, 0.2);
}

.admin-readme-summary {
  background: #ffffff;
  color: #0b4f46;
  border-color: #cfd6df;
}

.admin-my-studies-summary {
  background: #ffffff;
  color: #0b4f46;
  border-color: #cfd6df;
}

.admin-readme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

.admin-client-card {
  background: #f8fafc;
  border: 1px solid #cfd6df;
  border-radius: 12px;
  padding: 10px;
  box-shadow: none;
}

.admin-client-summary {
  background: var(--client-summary-bg);
  color: var(--client-summary-text);
  border-color: var(--client-summary-border);
}

.admin-client-summary .js-client-summary-name,
.admin-client-summary .js-client-summary-email,
.admin-client-summary .js-client-summary-count {
  color: var(--client-summary-text);
}

.admin-client-summary .js-client-summary-count {
  margin-left: auto;
  font-weight: 700;
}

.admin-readme-summary::before,
.admin-my-studies-summary::before,
.admin-client-summary::before,
.admin-study-summary::before {
  content: "\25B8";
  font-size: 24px;
  line-height: 1;
  color: #0b4f46;
  transform: rotate(0deg);
  transition: transform 0.2s ease;
  margin-right: 2px;
}

.admin-client-theme-summary::before {
  content: "\25B8";
  font-size: 24px;
  line-height: 1;
  color: #0b4f46;
  transform: rotate(0deg);
  transition: transform 0.2s ease;
  margin-right: 2px;
}

.admin-client-summary::before {
  color: var(--client-summary-text);
}

.admin-readme-card[open] > .admin-readme-summary::before,
.admin-my-studies-card[open] > .admin-my-studies-summary::before,
.admin-client-card[open] > .admin-client-summary::before,
.admin-study[open] > .admin-study-summary::before {
  transform: rotate(90deg);
}

.admin-client-theme-panel[open] > .admin-client-theme-summary::before {
  transform: rotate(90deg);
}

.admin-client-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin: 12px 4px 12px;
}

.admin-client-head h2 {
  margin: 0;
}

.admin-client-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.admin-client-theme-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 14px;
  margin: 10px 0 12px;
}

.admin-client-theme-panel {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  background: #ffffff;
  margin: 8px 0 12px;
}

.admin-client-theme-summary {
  border-radius: 8px;
  padding: 8px 10px;
  background: color-mix(in srgb, var(--primary) 6%, #ffffff);
  border: 1px solid color-mix(in srgb, var(--primary) 14%, var(--line));
  color: color-mix(in srgb, var(--primary) 42%, #1d2533);
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  user-select: none;
}

.admin-client-theme-card {
  border: none;
  border-radius: 0;
  padding: 0;
  margin: 0;
  background: transparent;
}

.admin-client-theme-card h4 {
  margin: 0 0 4px;
  color: var(--primary);
}

.admin-client-theme-col {
  display: grid;
  gap: 10px;
  padding: 8px 10px;
  border: none;
  border-radius: 0;
  background: transparent;
}

.admin-client-theme-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
}

.admin-client-theme-slider-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.admin-client-theme-grid input[type="color"] {
  width: 56px;
  min-height: 30px;
  border-radius: 6px;
  border: 1px solid #b9c2d1;
  padding: 0;
  background: transparent;
  box-shadow: none;
  appearance: none;
  -webkit-appearance: none;
}

.admin-client-theme-grid input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

.admin-client-theme-grid input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 5px;
}

.admin-client-theme-grid input[type="color"]::-moz-color-swatch {
  border: none;
  border-radius: 5px;
}

.admin-client-theme-grid input[type="range"] {
  width: 120px;
}

.admin-client-theme-actions {
  display: flex;
  justify-content: flex-start;
  margin-top: 10px;
}

.admin-client-grid label,
.admin-study-grid label,
.admin-study label {
  display: grid;
  gap: 6px;
  font-weight: 400;
  color: var(--text);
}

.admin-studies-head {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.admin-my-studies-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.admin-clients-card .admin-studies-head {
  margin-top: 0;
  margin-bottom: 12px;
}

.admin-studies-head h3 {
  margin: 0;
}

.admin-studies-host {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.admin-study {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  background: #fbfcffcc;
}

.admin-study-summary {
  border-radius: 8px;
  padding: 8px 10px;
  background: color-mix(in srgb, var(--primary) 6%, #ffffff);
  border: 1px solid color-mix(in srgb, var(--primary) 14%, var(--line));
  color: color-mix(in srgb, var(--primary) 42%, #1d2533);
  font-weight: 700;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-study-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

.admin-actions-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
  gap: 8px;
}

.btn-open-client,
.btn-remove-client,
.btn-add-study,
.btn-remove-study {
  color: var(--primary);
}

.btn-open-client,
.btn-add-study {
  background: var(--secondary-bg);
  border-color: var(--secondary-border);
}

.btn-open-client:hover,
.btn-add-study:hover {
  background: var(--secondary-bg-hover);
  border-color: var(--secondary-border);
}

.admin-my-studies-card .btn-add-study {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.admin-my-studies-card .btn-add-study:hover {
  background: color-mix(in srgb, var(--primary) 86%, black);
  border-color: color-mix(in srgb, var(--primary) 86%, black);
}

.btn-remove-client,
.btn-remove-study {
  background: color-mix(in srgb, var(--primary) 20%, transparent);
  border-color: color-mix(in srgb, var(--primary) 36%, transparent);
}

.btn-remove-client:hover,
.btn-remove-study:hover {
  background: color-mix(in srgb, var(--primary) 27%, transparent);
  border-color: color-mix(in srgb, var(--primary) 42%, transparent);
}

.portal-btn.is-disabled {
  pointer-events: none;
  opacity: 0.5;
}

.admin-readme-card[open] > :not(summary),
.admin-my-studies-card[open] > :not(summary),
.admin-client-card[open] > :not(summary),
.admin-study[open] > :not(summary),
.admin-client-theme-panel[open] > :not(summary) {
  animation: panelFadeSlide 0.2s ease;
}

@keyframes panelFadeSlide {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.76rem;
  padding: 12px 12px 20px;
}

.site-footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.site-footer-links > span,
.site-footer-links > a,
.site-footer-links > a:visited {
  display: inline-flex;
  align-items: center;
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: 1;
}

.site-footer-links a {
  text-decoration: none;
  border-bottom: none;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 2px;
}

.site-footer-links a:hover {
  text-decoration-color: currentColor;
}

.hidden {
  display: none !important;
}

.footer-locale {
  position: relative;
}

.footer-locale-btn {
  border: 0;
  background: transparent !important;
  box-shadow: none;
  appearance: none;
  -webkit-appearance: none;
  color: inherit;
  font: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 2px;
  line-height: 1;
  cursor: pointer;
}

.footer-locale-btn .globe-icon {
  color: currentColor;
  opacity: 1;
}

.footer-locale-btn:hover {
  opacity: 0.9;
}

.footer-locale-menu {
  position: absolute;
  right: 0;
  bottom: calc(100% + 8px);
  min-width: 78px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 10px;
  background: rgba(24, 24, 26, 0.94);
  padding: 4px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.16);
  display: grid;
  gap: 4px;
  z-index: 20;
}

.footer-locale-item {
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent !important;
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 10px;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.footer-locale-item:hover {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08) !important;
}

.footer-locale-item.is-active {
  color: #ffffff;
  font-weight: 600;
}

.landing-wrap {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 28px 16px 20px;
  position: relative;
  z-index: 1;
}

body.landing-gradient-page {
  position: relative;
  background: #ffffff;
  --landing-orange-x: 90%;
  --landing-orange-y: 18%;
}

body.landing-gradient-page .portal-topbar,
body.landing-gradient-page .site-footer {
  position: relative;
  z-index: 2;
}

body.landing-gradient-page .portal-by,
body.landing-gradient-page .site-footer,
body.landing-gradient-page .site-footer a {
  color: rgba(255, 255, 255, 0.86);
}

body.landing-gradient-page .site-footer-links a {
  text-decoration-color: transparent;
}

body.landing-gradient-page .site-footer-links a:hover {
  text-decoration-color: rgba(255, 255, 255, 0.86);
}

body.landing-gradient-page .footer-locale-menu { background: rgba(24, 24, 26, 0.94); }

body.landing-gradient-page .portal-wrap,
body.landing-gradient-page .portal-card {
  position: relative;
  z-index: 1;
}

body.landing-gradient-page .portal-card {
  font-size: 14px;
}

body.landing-gradient-page::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 1;
  background:
    radial-gradient(112% 98% at var(--landing-orange-x) var(--landing-orange-y), #f27a57 0%, rgba(242, 122, 87, 0) 60%),
    radial-gradient(120% 92% at 14% 16%, #86afd4 0%, rgba(134, 175, 212, 0) 62%),
    radial-gradient(130% 120% at 8% 100%, #2f275a 0%, rgba(47, 39, 90, 0) 64%),
    radial-gradient(115% 112% at 94% 100%, #433c3b 0%, rgba(67, 60, 59, 0) 60%),
    linear-gradient(145deg, #86afd4 0%, #b6acbe 33%, #d7887a 63%, #2f275a 100%);
}

.landing-card {
  width: min(560px, 92vw);
  max-width: min(560px, 92vw);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  box-shadow: none;
  font-size: 14px;
}

.landing-title {
  margin: 0 0 8px;
  font-size: 1.5rem;
  color: var(--primary);
}

.landing-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

body.landing-gradient-page .portal-subtitle {
  font-size: 14px;
  line-height: 1.45;
}


.legal-body {
  margin: 0;
  color: var(--text);
  line-height: 1.55;
  white-space: normal;
}

.legal-body h3 {
  margin: 16px 0 8px;
  font-size: 1.02rem;
  color: var(--primary);
}

.legal-body p {
  margin: 0 0 10px;
}

.legal-body ul {
  margin: 0 0 10px 18px;
  padding: 0;
}

.legal-body li {
  margin: 0 0 4px;
}

.landing-actions {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.landing-actions .portal-btn {
  min-height: 36px;
  padding: 8px 12px;
  font-size: 0.96rem;
}

.landing-logo {
  width: 62px;
  height: 34px;
  --secondary-color: rgba(255, 255, 255, 0.86);
}

.landing-modal-card {
  width: min(560px, 92vw);
  max-width: min(560px, 92vw);
  font-size: 14px;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  margin: 14px 0 6px;
  color: var(--text);
  font-weight: 500;
}

.client-theme-toggle {
  margin: 0 0 0 auto;
}

.study-upload-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 8px 0 0;
}

.study-upload-name {
  color: var(--muted);
  font-size: 0.92rem;
}

.study-upload-status {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  min-height: 1.1em;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: color-mix(in srgb, var(--primary) 18%, transparent);
  transition: 0.2s ease;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent);
}

.slider:before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 2px;
  top: 2px;
  background: #ffffff;
  border-radius: 50%;
  transition: 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.switch input:checked + .slider {
  background: color-mix(in srgb, var(--primary) 76%, transparent);
  border-color: color-mix(in srgb, var(--primary) 88%, transparent);
}

.switch input:checked + .slider:before {
  transform: translateX(20px);
}

.portal-modal {
  position: fixed;
  inset: 0;
  background: rgba(12, 15, 22, 0.42);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1200;
}

.portal-modal.is-open {
  display: flex;
}

.portal-modal-card {
  width: min(760px, 100%);
  background: #fff;
  border: 1px solid #d7dde7;
  border-radius: 14px;
  padding: 18px;
  max-height: 84vh;
  display: flex;
  flex-direction: column;
}

.portal-modal-card.landing-modal-card {
  width: min(560px, 92vw);
  max-width: min(560px, 92vw);
}

.portal-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  flex: 0 0 auto;
}

.portal-modal-head h2 {
  margin: 0;
  color: var(--primary);
}

.portal-readme-body p {
  margin: 0 0 10px;
  color: var(--text);
  line-height: 1.5;
  white-space: pre-wrap;
}

.portal-readme-body h4 {
  margin: 12px 0 6px;
  color: var(--primary);
  font-size: 1rem;
}

.portal-readme-body ul {
  margin: 0 0 12px 18px;
  padding: 0;
}

.portal-readme-body li {
  margin: 4px 0;
}

.portal-readme-body figure {
  margin: 8px 0 14px;
}

.portal-readme-body img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
}

.portal-readme-body figcaption {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.86rem;
}

.portal-readme-body {
  overflow: auto;
  padding-right: 6px;
  flex: 1 1 auto;
}

body.dark-mode {
  --bg: #191919;
  --card: #242424;
  --line: #3a3a3a;
  --text: #f2f2f2;
  --muted: #b9b9b9;
  --primary: var(--theme-dark-primary, #9ea1ff);
  --secondary: var(--theme-dark-secondary, #ffa994);
  --secondary-bg: color-mix(in srgb, var(--primary) 14%, transparent);
  --secondary-bg-hover: color-mix(in srgb, var(--primary) 22%, transparent);
  --secondary-border: color-mix(in srgb, var(--primary) 34%, transparent);
  --client-summary-bg: color-mix(in srgb, var(--secondary) 14%, #202020);
  --client-summary-text: color-mix(in srgb, var(--secondary) 84%, #f2f2f2);
  --client-summary-border: color-mix(in srgb, var(--secondary) 34%, var(--line));
  background: var(--bg);
  color: var(--text);
}

body.dark-mode .portal-topbar {
  background: #1f1f1f;
  border-bottom: 1px solid var(--line);
}

body.dark-mode .portal-card,
body.dark-mode .landing-card,
body.dark-mode .study-card,
body.dark-mode .admin-tab-panels,
body.dark-mode .admin-client-card,
body.dark-mode .admin-study,
body.dark-mode .portal-modal-card {
  background: #202020;
  border-color: var(--line);
  color: var(--text);
}

body.dark-mode .portal-input,
body.dark-mode .password-toggle,
body.dark-mode .admin-tab,
body.dark-mode .admin-client-summary,
body.dark-mode .admin-readme-summary,
body.dark-mode .admin-my-studies-summary {
  background: #202020;
  color: var(--text);
  border-color: var(--line);
}

body.dark-mode .admin-study-summary {
  background: color-mix(in srgb, var(--primary) 9%, #1f1f1f);
  color: var(--text);
  border: 1px solid var(--line);
}

body.dark-mode summary.admin-study-summary.js-study-summary-text {
  color: #f2f2f2 !important;
  background: #1f1f1f !important;
}

body.dark-mode summary.admin-client-summary {
  background: var(--client-summary-bg) !important;
  color: var(--client-summary-text) !important;
  border-color: var(--client-summary-border) !important;
}

body.dark-mode .admin-study-summary::before,
body.dark-mode .admin-client-summary::before,
body.dark-mode .admin-readme-summary::before,
body.dark-mode .admin-my-studies-summary::before {
  color: var(--primary);
}

body.dark-mode .admin-client-summary::before {
  color: var(--client-summary-text);
}

body.dark-mode .admin-client-theme-panel {
  background: #202020;
  border-color: var(--line);
}

body.dark-mode .admin-client-theme-card {
  background: transparent;
  border: none;
  color: var(--text);
}

body.dark-mode .admin-client-theme-col {
  background: transparent;
  border: none;
}

body.dark-mode .admin-client-theme-summary {
  background: color-mix(in srgb, var(--primary) 10%, #1f1f1f);
  border-color: color-mix(in srgb, var(--primary) 20%, var(--line));
  color: var(--text);
}

body.dark-mode .admin-client-theme-summary::before {
  color: var(--primary);
}

body.dark-mode .admin-client-theme-card h4,
body.dark-mode .admin-client-theme-row > span {
  color: var(--text);
}

body.dark-mode .admin-client-theme-grid input[type="color"] {
  border-color: var(--line);
}

@media (max-width: 900px) {
  .admin-client-theme-grid {
    grid-template-columns: 1fr;
  }
}

body.dark-mode .admin-tab.is-active,
body.dark-mode .admin-tab:hover {
  background: color-mix(in srgb, var(--primary) 18%, #202020);
}

body.dark-mode .admin-tab {
  border-color: var(--line) !important;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, #202020);
}

body.dark-mode .admin-tab-panels {
  border-color: var(--line) !important;
}

body.dark-mode .slider {
  background: color-mix(in srgb, var(--primary) 16%, transparent);
  border-color: color-mix(in srgb, var(--primary) 40%, transparent);
}

body.dark-mode .switch input:checked + .slider {
  background: color-mix(in srgb, var(--primary) 56%, transparent);
  border-color: color-mix(in srgb, var(--primary) 78%, transparent);
}

body.dark-mode .portal-btn {
  color: var(--primary);
  border-color: var(--secondary-border);
  background: var(--secondary-bg);
}

body.dark-mode .portal-btn-primary {
  color: #0b1118;
  background: var(--primary);
  border-color: var(--primary);
}

body.dark-mode .portal-subtitle,
body.dark-mode .study-id,
body.dark-mode .site-footer,
body.dark-mode .portal-by {
  color: var(--muted);
}

body.dark-mode.landing-gradient-page {
  background: #ffffff;
  color: var(--text);
}

@media (max-width: 1024px) {
  .portal-topbar {
    padding: 8px 16px 6px;
  }

  .portal-brand h1 {
    font-size: 1.72rem;
  }

  .portal-by {
    font-size: 12px;
  }

  .dash-wrap {
    width: 100%;
    max-width: 100%;
    padding: 16px;
  }

  .dash-greeting {
    font-size: 2rem;
  }

  .study-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }

  .admin-client-grid,
  .admin-study-grid,
  .admin-readme-grid {
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  }
}

@media (max-width: 768px) {
  .portal-topbar {
    gap: 10px;
    padding: 6px 12px 4px;
  }

  .portal-brand {
    width: 100%;
    grid-template-columns: auto 1fr;
  }

  .portal-brand h1 {
    grid-area: title;
    margin: 0;
    font-size: 1.34rem;
  }

  .portal-by {
    align-self: start;
    font-size: 12px;
  }

  .mse-logo {
    width: 54px;
    height: 44px;
  }

  .landing-logo {
    width: 54px;
    height: 44px;
  }

  .landing-card {
    padding: 16px;
  }

  .landing-title {
    font-size: 1.34rem;
  }


  .landing-actions .portal-btn {
    width: 100%;
  }

  .portal-wrap {
    padding: 14px;
  }

  .portal-card {
    width: 100%;
    padding: 16px;
    border-radius: 12px;
  }

  .portal-title {
    font-size: 2rem;
  }

  .dash-wrap {
    padding: 12px;
  }

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

  .dash-greeting {
    font-size: 1.25rem;
  }

  .dash-controls {
    gap: 8px;
  }

  .dash-controls label {
    width: 100%;
  }

  .font-picker-select {
    width: 100%;
    max-width: 100%;
  }

  .study-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .study-card {
    padding: 12px;
  }

  .study-thumb img {
    height: 170px;
  }

  .admin-toolbar {
    gap: 8px;
    margin-bottom: 10px;
  }

  .admin-toolbar > .portal-btn,
  .admin-toolbar > .portal-btn-primary {
    width: 100%;
    justify-content: center;
  }

  .admin-header-actions {
    margin-top: 10px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .admin-header-actions .portal-btn {
    width: 100%;
    justify-content: center;
  }

  .dash-header-actions {
    margin-left: 0;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .dash-header-actions .portal-btn {
    width: 100%;
    justify-content: center;
  }

  .admin-tabs {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .admin-tab {
    min-width: 0;
    margin-right: 0;
    border-radius: 10px 10px 0 0;
  }

  .font-picker-label {
    width: 100%;
  }

  .admin-client-summary {
    padding: 9px 10px;
  }

  .admin-client-summary::before,
  .admin-study-summary::before {
    font-size: 20px;
  }

  .admin-client-head,
  .admin-studies-head,
  .admin-actions-row,
  .study-actions,
  .portal-row {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-actions-row .portal-btn,
  .study-actions .portal-btn,
  .portal-row .portal-btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .admin-client-grid,
  .admin-study-grid,
  .admin-readme-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .toggle-row {
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
  }

  .client-theme-toggle {
    margin: 6px 0 0;
    width: 100%;
    justify-content: space-between;
  }

  .study-upload-row {
    gap: 8px;
  }

  .study-upload-row .portal-btn {
    width: 100%;
    justify-content: center;
  }

  .portal-modal {
    padding: 12px;
  }

  .portal-modal-card {
    width: 100%;
    max-height: 88vh;
    padding: 14px;
  }
}

@media (max-width: 480px) {
  .portal-brand h1 {
    font-size: 1.16rem;
  }

  .portal-by {
    font-size: 12px;
  }

  .mse-logo {
    width: 48px;
    height: 40px;
  }

  .landing-logo {
    width: 48px;
    height: 40px;
  }

  .admin-tabs {
    grid-template-columns: 1fr;
  }

  .admin-tab {
    border-radius: 10px;
    border-bottom: 1px solid #cfd6df;
    margin-bottom: 0;
  }

  .admin-tab-panels {
    border-radius: 12px;
    margin-top: 8px;
  }

  .portal-card {
    padding: 12px;
  }

  .portal-title {
    font-size: 1.7rem;
  }

  .portal-subtitle {
    font-size: 0.95rem;
  }

  .portal-input {
    padding: 9px 10px;
  }

  .site-footer {
    font-size: 0.72rem;
    padding: 10px 10px 16px;
  }
}