/*
  PSDI-inspired styling
  - clean, airy layout
  - navy brand accent + subtle gradients
  - card-based panels and improved component polish
*/

:root {
  --psdi-navy: #0b2d6d;
  --psdi-navy-2: #0a2456;
  --psdi-blue: #1f4db3;
  --psdi-teal: #2ed2c9;
  --psdi-magenta: #b12aa8;

  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #0b1220;
  --muted: #4b5565;
  --border: rgba(11, 45, 109, 0.12);
  --shadow: 0 10px 30px rgba(11, 18, 32, 0.08);
  --shadow-sm: 0 4px 14px rgba(11, 18, 32, 0.08);
  --radius: 16px;
}

* { box-sizing: border-box; }

html, body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 15% -10%, rgba(46, 210, 201, 0.10), transparent 60%),
    radial-gradient(1100px 700px at 85% -12%, rgba(177, 42, 168, 0.10), transparent 55%),
    radial-gradient(900px 600px at 50% 0%, rgba(31, 77, 179, 0.08), transparent 55%),
    var(--bg);
  line-height: 1.5;
}

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

a:hover {
  text-decoration: underline;
}

code, pre {
  font-family: "Fira Code", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New",
    monospace;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(11, 45, 109, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(10px);
}

.header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--psdi-teal), rgba(46, 210, 201, 0), var(--psdi-magenta));
  opacity: 0.9;
}

.homelink {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  display: block;
  height: 70px;
  width: auto;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.22));
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  color: rgba(255, 255, 255, 0.95);
}

.brand-title {
  font-size: 25px;
  font-weight: 500;
  letter-spacing: 0.2px;
}

.header .homelink:hover,
.header .homelink:hover * {
  text-decoration: none !important;
}

.brand-subtitle {
  margin-top: 2px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
}

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

.header-right a {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  font-size: 13px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.header-right a:hover {
  text-decoration: none;
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.24);
}

/* Main container */
.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 26px 18px 42px;
}

.hero {
  padding: 22px 18px 10px;
}

@media (min-width: 980px) {
  .hero {
    max-width: calc(380px + 620px + 18px);
    margin: 0 auto;
    padding-left: 0;
    padding-right: 0;
  }
}

.hero-title {
  margin: 0;
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 750;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  margin: 10px 0 0;
  max-width: 90ch;
  color: var(--muted);
  font-size: 15px;
}

.page-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
  align-items: start;
  margin-top: 10px;
}

@media (min-width: 980px) {
  .page-grid {
    grid-template-columns: 380px minmax(0, 620px);
    justify-content: center;
  }

  .card--outputs {
    width: 100%;
    max-width: 620px;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 18px;
}

.card--inputs {
  position: sticky;
  top: 100px;
}

@media (max-width: 980px) {
  .card--inputs {
    position: static;
    top: auto;
  }
}

/* Form rows */
.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(11, 45, 109, 0.08);
  background: linear-gradient(180deg, rgba(11, 45, 109, 0.03), transparent 75%);
}

.form-row + .form-row {
  margin-top: 12px;
}

label {
  font-weight: 650;
  font-size: 13px;
  color: rgba(11, 18, 32, 0.9);
}

.help-text {
  color: var(--muted);
  font-size: 12.5px;
}

/* Inputs */
.text-input {
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(11, 45, 109, 0.18);
  background: #fff;
  outline: none;
  font-size: 14px;
  transition: box-shadow 120ms ease, border-color 120ms ease;
}

.text-input:focus {
  border-color: rgba(31, 77, 179, 0.65);
  box-shadow: 0 0 0 4px rgba(31, 77, 179, 0.14);
}

/* Dropdowns (react-select; cover multiple dash versions) */
.dropdown,
.Select,
.dash-dropdown {
  width: 100%;
}

.Select-control,
.dropdown .Select-control {
  border-radius: 12px !important;
  border: 1px solid rgba(11, 45, 109, 0.18) !important;
  box-shadow: none !important;
}

.is-focused:not(.is-open) > .Select-control {
  border-color: rgba(31, 77, 179, 0.65) !important;
  box-shadow: 0 0 0 4px rgba(31, 77, 179, 0.14) !important;
}

/* Upload */
.upload-box {
  border: 1.6px dashed rgba(11, 45, 109, 0.35);
  border-radius: 14px;
  padding: 14px;
  text-align: center;
  cursor: pointer;
  background: rgba(11, 45, 109, 0.03);
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.upload-box:hover {
  transform: translateY(-1px);
  background: rgba(11, 45, 109, 0.10);
  border-color: rgba(11, 45, 109, 0.45);
}

/* Buttons */
.button-row {
  margin-top: 14px;
}

.mtrls-button {
  width: 100%;
  border: 0;
  cursor: pointer;
  padding: 12px 14px;
  border-radius: 12px;
  margin-top: 14px;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: #fff;
  background: linear-gradient(135deg, var(--psdi-navy), var(--psdi-blue));
  box-shadow: var(--shadow);
  transition: transform 120ms ease, filter 120ms ease, box-shadow 120ms ease;
}

.mtrls-button:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

.mtrls-button:active {
  transform: translateY(0px);
  filter: brightness(0.98);
}

.mtrls-button.secondary {
  width: auto;
  background: transparent;
  color: var(--psdi-navy);
  border: 1px solid rgba(11, 45, 109, 0.25);
  box-shadow: none;
}

.mtrls-button.secondary:hover {
  background: rgba(11, 45, 109, 0.05);
}

.mtrls-button:disabled {
  cursor: not-allowed;
  transform: none !important;
  filter: none !important;
  opacity: 0.55;
  box-shadow: none;
}

/* Progress bar */
.progress-bar-container {
  margin-top: 14px;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(11, 45, 109, 0.18);
  background: rgba(11, 45, 109, 0.10);
}

.progress-bar {
  position: relative;
  height: 100%;
  overflow: hidden;
}

.progress-bar-inner {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -40%;
  width: 40%;
  border-radius: 999px;
  /* base color */
  background-image: linear-gradient(90deg, var(--psdi-teal), var(--psdi-blue), var(--psdi-magenta));
  /* indeterminate slide */
  animation: indeterminate-slide 1.35s ease-in-out infinite;
}

/* Add a subtle moving stripe overlay without wiping out the base gradient */
.progress-bar-inner.stripes {
  background-image:
    linear-gradient(90deg, var(--psdi-teal), var(--psdi-blue), var(--psdi-magenta)),
    linear-gradient(
      45deg,
      rgba(255, 255, 255, 0.30) 25%,
      transparent 25%,
      transparent 50%,
      rgba(255, 255, 255, 0.30) 50%,
      rgba(255, 255, 255, 0.30) 75%,
      transparent 75%,
      transparent
    );
  background-size: 100% 100%, 26px 26px;
  background-position: 0 0, 0 0;
}

@keyframes indeterminate-slide {
  0%   { transform: translateX(0); }
  50%  { transform: translateX(155%); }
  100% { transform: translateX(320%); }
}


/* Progress bar secondary animation (stripes) */
.progress-bar-inner.animated {
  animation: indeterminate-slide 1.35s ease-in-out infinite, move-stripes 1.15s linear infinite;
}

@keyframes move-stripes {
  from { background-position: 0 0, 0 0; }
  to { background-position: 0 0, 26px 0; }
}


/* Show the progress bar while Dash is computing the generation callback */
#loading-sentinel[data-dash-is-loading="true"] ~ #progress {
  display: block !important;
}

#loading-sentinel[data-dash-is-loading="true"] ~ #progress .progress-bar-container {
  box-shadow: 0 10px 22px rgba(11, 18, 32, 0.10);
}

/* Outputs */
.result-container {
  min-height: 40px;
}

.cell-params {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(11, 45, 109, 0.10);
  background: rgba(11, 45, 109, 0.03);
  color: rgba(11, 18, 32, 0.92);
  font-size: 13px;
}

/* Panel header (shared) */
.panel-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 10px;
}

.panel-title {
  margin: 0;
  font-size: 15px;
  font-weight: 750;
  letter-spacing: -0.01em;
  color: rgba(11, 18, 32, 0.92);
}

.panel-meta {
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* PXRD preview */
.xrd-viewer-container {
  width: 100%;
  margin-bottom: 14px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(11, 45, 109, 0.12);
  background:
    radial-gradient(900px 420px at 15% 0%, rgba(46, 210, 201, 0.10), transparent 60%),
    radial-gradient(900px 420px at 90% 0%, rgba(177, 42, 168, 0.08), transparent 60%),
    rgba(11, 45, 109, 0.02);
  box-shadow: var(--shadow-sm);
}

.xrd-graph {
  margin-top: 6px;
  border-radius: 12px;
  overflow: hidden;
}

.xrd-viewer-container .modebar {
  background: transparent !important;
  border-radius: 10px;
  padding: 4px 6px !important;
}

.xrd-viewer-container .modebar-btn {
  border-radius: 8px !important;
}

/* Structure viewer (Crystal Toolkit) */
.viewer-container {
  margin-top: 14px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(11, 45, 109, 0.12);
  background:
    radial-gradient(900px 420px at 15% 0%, rgba(31, 77, 179, 0.08), transparent 62%),
    rgba(11, 45, 109, 0.02);
  box-shadow: var(--shadow-sm);
}

.ctk-viewer-frame {
  border-radius: 14px;
  overflow: hidden;
  border: 0;
  background: transparent;
  box-shadow: 0;
}

.ctk-viewer-frame canvas {
  border-radius: 14px;
}

/* keep the viewer responsive */
.ctk-viewer-frame {
  min-height: 200px;
}

/* If Crystal Toolkit is using Material-UI, soften the chrome a bit */
.ctk-viewer-frame .MuiPaper-root {
  border-radius: 14px !important;
}

.ctk-viewer-frame .MuiButton-root,
.ctk-viewer-frame .MuiIconButton-root {
  border-radius: 999px !important;
  text-transform: none !important;
  font-weight: 650 !important;
}

/* Crystal Toolkit / VTK.js chrome refinements */
.ctk-viewer-frame button,
.ctk-viewer-frame [class*="vtk"] button {
  background: rgba(255, 255, 255, 0.86) !important;
  border: 1px solid rgba(11, 45, 109, 0.18) !important;
  border-radius: 12px !important;
  box-shadow: 0 10px 22px rgba(11, 18, 32, 0.12) !important;
  backdrop-filter: blur(6px);
  transition: transform 120ms ease, background 120ms ease, box-shadow 120ms ease;
  padding: 5px;
}

.ctk-viewer-frame button:hover,
.ctk-viewer-frame [class*="vtk"] button:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.94) !important;
  box-shadow: 0 12px 26px rgba(11, 18, 32, 0.14) !important;
}

.ctk-viewer-frame button:active,
.ctk-viewer-frame [class*="vtk"] button:active {
  transform: translateY(0px);
  box-shadow: 0 8px 18px rgba(11, 18, 32, 0.12) !important;
}

.ctk-viewer-frame button svg,
.ctk-viewer-frame button img {
  opacity: 0.92;
}

/* CTK settings menus are Material-UI popovers rendered in a portal (outside .ctk-viewer-frame). */
.MuiPopover-paper,
.MuiMenu-paper,
.MuiDialog-paper,
.MuiPaper-root {
  border-radius: 14px !important;
  border: 1px solid rgba(11, 45, 109, 0.14) !important;
  box-shadow: 0 18px 42px rgba(11, 18, 32, 0.14) !important;
}

.MuiMenuItem-root {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial !important;
  font-size: 13.5px !important;
}

.MuiMenuItem-root:hover {
  background: rgba(11, 45, 109, 0.06) !important;
}

/* Element legend styling (class names vary across CTK versions, so we match a few) */
.ctk-viewer-frame .legend,
.ctk-viewer-frame .ctk-legend,
.ctk-viewer-frame .element-legend,
.ctk-viewer-frame [class*="legend"],
.ctk-viewer-frame [id*="legend"] {
  background: rgba(255, 255, 255, 0.90);
  border: 1px solid rgba(11, 45, 109, 0.16);
  border-radius: 12px;
  padding: 6px 8px;
  box-shadow: 0 10px 22px rgba(11, 18, 32, 0.12);
}

#structure-viewer {
  width: 100%;
}

.download-row {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 14px;
}

.returned-cif-details {
  margin-top: 14px;
  border-radius: 14px;
  border: 1px solid rgba(11, 45, 109, 0.12);
  background: rgba(11, 45, 109, 0.02);
  overflow: hidden;
}

.cif-summary {
  cursor: pointer;
  padding: 12px 12px;
  font-weight: 700;
  color: var(--psdi-navy);
  list-style: none;
}

.returned-cif {
  margin: 0;
  padding: 12px;
  max-height: 380px;
  overflow: auto;
  font-size: 12.5px;
  background: rgba(255, 255, 255, 0.75);
  border-top: 1px solid rgba(11, 45, 109, 0.12);
}

/* Alert-like messages */
.ok-message,
.warn-message,
.error-message {
  display: inline-block;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid;
  font-weight: 650;
  font-size: 13px;
}

.ok-message {
  color: #0b3d2e;
  background: rgba(46, 210, 201, 0.18);
  border-color: rgba(46, 210, 201, 0.35);
}

.warn-message {
  color: #5a3a00;
  background: rgba(255, 179, 0, 0.18);
  border-color: rgba(255, 179, 0, 0.35);
}

.error-message {
  color: #7a1020;
  background: rgba(255, 76, 120, 0.14);
  border-color: rgba(255, 76, 120, 0.30);
}

/* Footer */
/* -----------------------------
   Footer (PSDI partnership - simplified)
   ----------------------------- */

footer.psdi-footer {
  padding: 0;
  margin-top: 26px;
  background: linear-gradient(180deg, rgba(11, 45, 109, 0.98), rgba(10, 36, 86, 0.98));
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  position: relative;
}

footer.psdi-footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--psdi-teal),
    rgba(46, 210, 201, 0),
    var(--psdi-magenta)
  );
  opacity: 0.9;
}

.psdi-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 22px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.psdi-footer-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: rgba(255, 255, 255, 0.92);
}

.psdi-footer-kicker {
  font-size: 12px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.64);
}

.psdi-footer-text {
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.1px;
}

.psdi-footer-acronym {
  color: rgba(255, 255, 255, 0.84);
  font-weight: 750;
}

.psdi-footer-copy {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.72);
}

.psdi-footer-logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.psdi-footer-logo {
  height: 54px;
  width: auto;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.psdi-footer-logo:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.22);
}

@media (max-width: 720px) {
  .psdi-footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}
/* -----------------------------
   CTK viewer: make toolbar + legend closer to the "classic" look (like your 3rd screenshot)
   ----------------------------- */

/* Try to catch the floating VTK/CTK toolbar container across versions */
.ctk-viewer-frame .vtkjs-control-panel,
.ctk-viewer-frame .vtkjs-toolbar,
.ctk-viewer-frame [class*="vtkjs"][class*="control"],
.ctk-viewer-frame [class*="vtk"][class*="control"],
.ctk-viewer-frame [class*="vtk"][class*="toolbar"],
.ctk-viewer-frame [class*="Toolbar"],
.ctk-viewer-frame [class*="toolBar"] {
  background: rgba(121, 128, 172, 0.92) !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  border-radius: 12px !important;
  padding: 6px 6px !important;
  box-shadow: 0 16px 34px rgba(11, 18, 32, 0.18) !important;
  backdrop-filter: blur(6px);
}

.ctk-viewer-frame .mpc-scene .mpc-button-bar {
  position: absolute;
  right: 0;
  z-index: 3;
  padding: 10px;
}

/* Make the buttons look like a single grouped control strip */
.ctk-viewer-frame .vtkjs-control-panel button,
.ctk-viewer-frame .vtkjs-toolbar button,
.ctk-viewer-frame [class*="vtk"][class*="toolbar"] button,
.ctk-viewer-frame [class*="vtk"][class*="control"] button {
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  border-radius: 10px !important;
  margin: 0 !important;
}

.ctk-viewer-frame .vtkjs-control-panel button:hover,
.ctk-viewer-frame .vtkjs-toolbar button:hover,
.ctk-viewer-frame [class*="vtk"][class*="toolbar"] button:hover,
.ctk-viewer-frame [class*="vtk"][class*="control"] button:hover {
  background: rgba(255, 255, 255, 0.12) !important;
  transform: none !important;
}

/* Icons white-ish */
.ctk-viewer-frame .vtkjs-control-panel button svg,
.ctk-viewer-frame .vtkjs-toolbar button svg,
.ctk-viewer-frame [class*="vtk"][class*="toolbar"] button svg,
.ctk-viewer-frame [class*="vtk"][class*="control"] button svg {
  color: rgba(255, 255, 255, 0.92) !important;
  fill: rgba(255, 255, 255, 0.92) !important;
  opacity: 0.95 !important;
}

/* Element legend: remove the big white pill and keep the colored element boxes */
.ctk-viewer-frame .legend,
.ctk-viewer-frame .ctk-legend,
.ctk-viewer-frame .element-legend,
.ctk-viewer-frame [class*="legend"],
.ctk-viewer-frame [id*="legend"] {
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  padding: 0 !important;
}

/* Make legend "chips" look like small squared boxes */
.ctk-viewer-frame .legend * ,
.ctk-viewer-frame .ctk-legend * ,
.ctk-viewer-frame .element-legend * ,
.ctk-viewer-frame [class*="legend"] * ,
.ctk-viewer-frame [id*="legend"] * {
  border-radius: 8px !important;
}


/* =============================
   Overrides (requested tweaks)
   ============================= */

/* Progress bar: determinate fill (0 -> 100%).
   Width is driven by the clientside store via inline style on #progress-bar-inner. */
.progress-bar-inner {
  left: 0 !important;
  transform: none !important;
  animation: none !important;
  width: 0%;
  background-image: linear-gradient(90deg, var(--psdi-teal), var(--psdi-blue), var(--psdi-magenta)) !important;
  transition: width 180ms linear;
}

/* Structure viewer: make the canvas area use the available width and stay centered */
.ctk-viewer-frame {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: stretch;
}

.ctk-viewer-frame > * {
  width: 100% !important;
  max-width: 100% !important;
}

/* Sleeker toolbar (covers Material-UI fabs used by many CTK versions) */
.ctk-viewer-frame .MuiFab-root,
.ctk-viewer-frame .MuiIconButton-root.MuiFab-root,
.ctk-viewer-frame [class*="MuiFab"] {
  width: 36px !important;
  height: 36px !important;
  min-height: 36px !important;
  border-radius: 12px !important;
  padding: 0 !important;
  margin: 0 !important;

  background: rgba(11, 45, 109, 0.62) !important;
  color: rgba(255, 255, 255, 0.96) !important;
  border: 1px solid rgba(255, 255, 255, 0.20) !important;
  box-shadow: 0 12px 28px rgba(11, 18, 32, 0.18) !important;
  backdrop-filter: blur(6px);
}

.ctk-viewer-frame .MuiFab-root:hover,
.ctk-viewer-frame [class*="MuiFab"]:hover {
  background: rgba(11, 45, 109, 0.72) !important;
  box-shadow: 0 14px 32px rgba(11, 18, 32, 0.20) !important;
  transform: none !important;
}

.ctk-viewer-frame .MuiFab-root svg,
.ctk-viewer-frame .MuiFab-root img {
  width: 18px !important;
  height: 18px !important;
  opacity: 0.95 !important;
}

/* If the toolbar has a wrapping container, make it look like a single strip */
.ctk-viewer-frame .MuiSpeedDial-actions,
.ctk-viewer-frame [class*="SpeedDial"],
.ctk-viewer-frame [class*="toolbar-container"],
.ctk-viewer-frame [class*="ToolbarContainer"] {
  background: rgba(11, 45, 109, 0.62) !important;
  border: 5px solid rgba(255, 255, 255, 0.20) !important;
  border-radius: 14px !important;
  padding: 8px 6px !important;
  box-shadow: 0 16px 38px rgba(11, 18, 32, 0.18) !important;
  backdrop-filter: blur(6px);
}

/* Element legend: small, squared "chips" without a big white container */
.ctk-viewer-frame .MuiChip-root,
.ctk-viewer-frame [class*="Chip"] {
  border-radius: 10px !important;
  height: 30px !important;
  font-weight: 750 !important;
  letter-spacing: 0.1px;
  border: 0 !important;
  box-shadow: 0 10px 22px rgba(11, 18, 32, 0.14) !important;
}

span.icon {
  padding: 10px;
}

.ctk-viewer-frame .MuiChip-label {
  padding-left: 10px !important;
  padding-right: 10px !important;
}

/* If CTK renders legend text blocks, keep them tight and readable */
.ctk-viewer-frame .legend,
.ctk-viewer-frame .ctk-legend,
.ctk-viewer-frame .element-legend,
.ctk-viewer-frame [class*="legend"],
.ctk-viewer-frame [id*="legend"] {
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  padding: 0 !important;
}

/* =============================
   CTK overlays: keep legend + orientation axis inside the viewer
   (avoid overriding CTK internal layout, which can break rendering)
   ============================= */

.ctk-viewer-frame {
  position: relative !important;
  overflow: hidden !important; /* prevents overlays from spilling over the page */
  display: block !important;   /* undo earlier flex overrides */
}

/* Let CTK manage heights; just ensure the canvas can stretch horizontally */
.ctk-viewer-frame canvas {
  display: block;
  width: 100% !important;
}

/* Pin legend inside bottom-right (only if CTK uses this container id) */
#CTstructure-viewer_legend_container {
  position: absolute !important;
  right: 12px !important;
  bottom: 12px !important;
  z-index: 30 !important;
  display: inline-flex !important;
  gap: 6px !important;
  align-items: center !important;
}

/* Pin the orientation marker inside bottom-left (common vtk.js classnames) */
.ctk-viewer-frame .vtkjs-orientation-marker,
.ctk-viewer-frame .vtkjs-widget-orientation-marker,
.ctk-viewer-frame [class*="orientation-marker"],
.ctk-viewer-frame [class*="OrientationMarker"],
.ctk-viewer-frame [class*="OrientationMarkerWidget"] {
  position: absolute !important;
  left: 12px !important;
  bottom: 12px !important;
  z-index: 30 !important;
}

.psdi-footer-mark{
  height: 70px;
  width: 180px;              /* adjust as needed */
  background: rgba(255,255,255,0.95);

  -webkit-mask: url("/assets/psdi-logo.svg") no-repeat center / contain;
  mask: url("/assets/psdi-logo.svg") no-repeat center / contain;
}

/* ---------- Empty state (right panel placeholder) ---------- */
.empty-state{
  border: 1px dashed rgba(11, 45, 109, 0.18);
  border-radius: 16px;
  padding: 18px;
  background:
    radial-gradient(700px 300px at 0% 0%, rgba(46,210,201,0.12), transparent 60%),
    radial-gradient(700px 300px at 100% 0%, rgba(177,42,168,0.10), transparent 60%),
    rgba(255,255,255,0.55);
  box-shadow: 0 10px 24px rgba(11,18,32,0.06);
}

.empty-state__inner{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  align-items: stretch;
}

@media (max-width: 980px){
  .empty-state__inner{ grid-template-columns: 1fr; }
}

.empty-state__badge{
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 12px;
  color: rgba(11,45,109,0.95);
  background: rgba(11,45,109,0.08);
  border: 1px solid rgba(11,45,109,0.14);
}

.empty-state__title{
  margin: 10px 0 6px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.empty-state__subtitle{
  margin: 0 0 14px;
  color: rgba(11,18,32,0.70);
  font-size: 13.5px;
}

.empty-state__steps{
  border-radius: 14px;
  border: 1px solid rgba(11,45,109,0.12);
  background: rgba(255,255,255,0.65);
  overflow: hidden;
}

.empty-step{
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 12px;
}

.empty-step__num{
  height: 24px;
  width: 24px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, #0b2d6d, #1f4db3);
}

.empty-step__label{
  font-weight: 750;
  font-size: 13px;
}

.empty-step__hint{
  font-size: 12.5px;
  color: rgba(11,18,32,0.65);
  margin-top: 2px;
}

.empty-state__divider{
  height: 1px;
  background: rgba(11,45,109,0.10);
}

.empty-state__examples{
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.empty-state__examples-bar{
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
}

.empty-state__examples-label{
  font-size: 12.5px;
  color: rgba(11,18,32,0.65);
  margin-right: 2px;
}

.empty-state__chip-button{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  min-height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(11,45,109,0.14);
  background: rgba(255,255,255,0.82);
  color: var(--text);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, transform 120ms ease;
}

.empty-state__chip-button:hover{
  background: rgba(11,45,109,0.06);
  border-color: rgba(11,45,109,0.22);
  transform: translateY(-1px);
}

.empty-state__chip-button--demo{
  color: var(--psdi-navy);
}

/* Mock cards */
.empty-state__mock{
  display: grid;
  gap: 12px;
  align-content: start;
}

.mock-card{
  border-radius: 14px;
  border: 1px solid rgba(11,45,109,0.12);
  background: rgba(255,255,255,0.55);
  overflow: hidden;
}

.mock-card__title{
  padding: 10px 12px;
  font-weight: 750;
  font-size: 12.5px;
  color: rgba(11,18,32,0.78);
  border-bottom: 1px solid rgba(11,45,109,0.10);
  background: rgba(11,45,109,0.04);
}

.mock-plot{
  height: 120px;
  background:
    linear-gradient(180deg, rgba(31,77,179,0.10), transparent 70%),
    repeating-linear-gradient(90deg, rgba(11,45,109,0.08) 0px, rgba(11,45,109,0.08) 1px, transparent 1px, transparent 32px),
    repeating-linear-gradient(0deg, rgba(11,45,109,0.06) 0px, rgba(11,45,109,0.06) 1px, transparent 1px, transparent 24px);
}

.mock-viewer{
  height: 160px;
  background:
    radial-gradient(240px 120px at 60% 40%, rgba(46,210,201,0.16), transparent 60%),
    radial-gradient(240px 120px at 40% 60%, rgba(177,42,168,0.12), transparent 60%),
    rgba(255,255,255,0.35);
}

/* Wrap long lines inside Technical details (preformatted) */
.returned-cif-details .returned-cif {
  white-space: pre-wrap;      /* keep newlines but allow wrapping */
  overflow-wrap: anywhere;    /* break very long tokens/paths */
  word-break: break-word;     /* fallback for older browsers */
}

.pxrd-status-row{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:8px;
}

.pxrd-pill{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  border:1px solid rgba(11,45,109,0.18);
  background: rgba(11,45,109,0.08);
  color: rgba(11,45,109,0.92);
}

.pxrd-pill--ok{
  border-color: rgba(0,180,120,0.25);
  background: rgba(0,180,120,0.10);
  color: rgba(0,90,60,0.95);
}

.pxrd-pill--warn{
  border-color: rgba(255,193,7,0.28);
  background: rgba(255,193,7,0.12);
  color: rgba(123,80,0,0.95);
}

.pxrd-clear-btn{
  width:28px;
  height:28px;
  border:0;
  border-radius:999px;
  background: transparent;
  color: rgba(11,18,32,0.55);
  font-size:18px;
  line-height:1;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}

.pxrd-clear-btn:hover{
  background: rgba(11,18,32,0.06);
  color: rgba(11,18,32,0.85);
}

.xrd-advanced-toggle {
  align-self: flex-start;
  width: auto;
  margin-top: 4px;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  background: rgba(11, 45, 109, 0.05);
  border: 1px solid rgba(11, 45, 109, 0.12);
}

.xrd-advanced-toggle:hover {
  background: rgba(11, 45, 109, 0.08);
}

.xrd-advanced-panel {
  margin-top: 10px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(11, 45, 109, 0.1);
  background: linear-gradient(180deg, rgba(11, 45, 109, 0.045), rgba(11, 45, 109, 0.015));
}

.xrd-advanced-panel label {
  font-size: 12.5px;
}


/* Mobile header */
@media (max-width: 820px) {
  .header {
    padding: 12px 14px;
    align-items: flex-start;
    gap: 10px;
    flex-wrap: wrap;
  }

  .homelink {
    gap: 10px;
    min-width: 0;
    flex: 1 1 100%;
  }

  .logo {
    height: 56px;
  }

  .brand-title {
    font-size: 20px;
    line-height: 1.05;
  }

  .brand-subtitle {
    font-size: 11px;
    line-height: 1.15;
  }

  .header-right {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px;
  }

  .header-right a {
    font-size: 12px;
    padding: 8px 11px;
  }
}

@media (max-width: 520px) {
  .header {
    align-items: center;
  }

  .homelink {
    width: 100%;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    text-align: left;
    gap: 12px;
  }

  .logo {
    height: 50px;
    flex: 0 0 auto;
  }

  .brand-text {
    align-items: flex-start;
    text-align: left;
  }

  .brand-title {
    font-size: 18px;
  }

  .brand-subtitle {
    display: block;
    font-size: 11px;
    line-height: 1.2;
    margin-top: 4px;
  }

  .header-right {
    justify-content: center;
  }

  .header-right a {
    flex: 1 1 calc(33.333% - 6px);
    min-width: 0;
    text-align: center;
    justify-content: center;
    display: inline-flex;
    align-items: center;
    min-height: 42px;
  }
}

/* Touch interaction for the structure viewer */
.ctk-viewer-frame,
.ctk-viewer-frame canvas,
#structure-viewer,
#structure-viewer canvas {
  touch-action: none;
  -ms-touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

@media (max-width: 720px) {
  .viewer-container {
    padding: 12px;
  }

  .ctk-viewer-frame {
    min-height: 0 !important;
    aspect-ratio: 1 / 1;
    max-height: 420px;
  }

  #structure-viewer,
  #structure-viewer > div {
    height: 100% !important;
  }

  .ctk-viewer-frame .MuiFab-root,
  .ctk-viewer-frame .MuiIconButton-root.MuiFab-root,
  .ctk-viewer-frame [class*="MuiFab"] {
    width: 32px !important;
    height: 32px !important;
    min-height: 32px !important;
  }
}





@media (max-width: 720px) {
  .hero {
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .empty-state__examples-bar {
    justify-content: center;
  }

  .empty-state__examples {
    justify-content: center;
  }
}

/* Viewer layout guardrails */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

.container,
.page-grid,
.card,
.viewer-container,
.ctk-viewer-frame,
#structure-viewer {
  max-width: 100%;
  min-width: 0;
}

.viewer-container,
.ctk-viewer-frame,
#structure-viewer,
#structure-viewer > div,
#structure-viewer canvas,
#structure-viewer [class*="vtk"],
#structure-viewer [class*="scene"],
#structure-viewer [class*="container"] {
  max-width: 100% !important;
  box-sizing: border-box;
}

#structure-viewer {
  overflow: hidden;
}

@media (max-width: 720px) {
  .viewer-container {
    overflow: hidden;
  }

  .ctk-viewer-frame {
    width: 100%;
    overflow: hidden !important;
  }

  .ctk-viewer-frame canvas {
    width: 100% !important;
    max-width: 100% !important;
    height: 100% !important;
  }

  .psdi-footer-inner {
    align-items: center;
    text-align: center;
  }

  .psdi-footer-left {
    align-items: center;
  }

  .psdi-footer-logo-link,
  .psdi-footer-link {
    justify-content: center;
    align-self: center;
  }

  .psdi-footer-mark {
    margin: 0 auto;
  }
}