:root {
  color-scheme: dark;
  --bg: #0b0d12;
  --panel: rgba(17, 20, 30, 0.92);
  --panel-strong: #121826;
  --border: rgba(120, 134, 170, 0.25);
  --text: #f8fafc;
  --muted: #b0b8c5;
  --accent: #7c3aed;
  --accent-2: #06b6d4;
  --accent-3: #f97316;
  --success: #10b981;
  --error: #ef4444;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, rgba(124, 58, 237, 0.18), transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(6, 182, 212, 0.16), transparent 45%),
    linear-gradient(160deg, #0b0d12 0%, #0c121f 60%, #0a0f1a 100%);
  color: var(--text);
  font-family: "Electrolize", "Segoe UI", sans-serif;
}

.glow {
  position: fixed;
  inset: -20% 10% auto auto;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.35), transparent 70%);
  filter: blur(5px);
  z-index: -1;
}

.shell {
  max-width: 1150px;
  margin: 0 auto;
  padding: 48px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 24px;
  align-items: start;
}

.hero-actions {
  display: flex;
  justify-content: flex-end;
}

.info-button {
  min-width: 122px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.7rem;
  font-weight: 600;
  margin-bottom: 12px;
  font-family: "Electrolize", "Space Grotesk", sans-serif;
}

.brand img {
  width: 60px;
  height: 60px;
  filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.95))
    drop-shadow(0 6px 12px rgba(0, 0, 0, 0.7));
}

.subhead {
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

.hero-card {
  background: linear-gradient(140deg, rgba(124, 58, 237, 0.16), rgba(15, 23, 42, 0.85));
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid rgba(124, 58, 237, 0.35);
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
}

.hero-stat {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-stat span {
  display: inline-flex;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: rgba(6, 182, 212, 0.18);
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--accent-2);
}

.hero-stat p {
  margin: 0;
  color: var(--muted);
}

.panel {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.panel-head h2 {
  margin: 0 0 8px;
}

.panel-head p {
  margin: 0;
  color: var(--muted);
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.panel-grid.inputs-row {
  margin-top: 20px;
  grid-template-columns: repeat(2, minmax(240px, 1fr));
}

.stack.compact .hint {
  margin-bottom: 6px;
}

.panel-grid.layout-row {
  align-items: start;
}

.panel-grid.layout-row.manual-mode {
  grid-template-columns: minmax(320px, 1040px);
  justify-content: center;
}

.stack {
  display: grid;
  gap: 12px;
}

.manual-pane {
  width: 100%;
}

.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.label {
  font-weight: 600;
}

.input-row {
  display: flex;
  gap: 12px;
}

input[type="password"],
input[type="text"],
input[type="number"] {
  flex: 1;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.7);
  color: var(--text);
  font-size: 0.95rem;
}

select {
  flex: 1;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.7);
  color: var(--text);
  font-size: 0.95rem;
  appearance: none;
}

input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.dropzone {
  position: relative;
  border: 1px dashed rgba(124, 58, 237, 0.7);
  border-radius: 16px;
  padding: 18px;
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.4);
  transition: border 0.2s ease, transform 0.2s ease;
}

.dropzone.tall {
  min-height: 200px;
}

.dropzone.dragging {
  border-color: var(--accent-2);
  transform: translateY(-2px);
}

.dropzone-content {
  text-align: center;
  pointer-events: none;
}

.dropzone-content p {
  margin: 0 0 8px;
  color: var(--text);
}

.small {
  font-size: 0.85rem;
  color: var(--muted);
}

.preview {
  min-height: 120px;
  background: rgba(15, 23, 42, 0.55);
  border-radius: 14px;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  padding: 20px;
  overflow: hidden;
}

.preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.preview.hidden {
  display: none;
}

.preview.interactive {
  display: block;
  padding: 12px;
  min-height: 520px;
}

.preview.static-replot img {
  display: block;
  max-height: 520px;
}

.preview.manual-preview {
  position: relative;
  display: block;
  padding: 0;
  min-height: 620px;
  height: min(74vh, 780px);
  background: rgba(2, 6, 23, 0.86);
  touch-action: none;
}

.preview.manual-preview img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}

.manual-overlay-svg {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  touch-action: none;
}

.manual-overlay-svg.editing {
  cursor: default;
}

.manual-overlay-svg.magnifying {
  cursor: none;
}

.manual-magnifier {
  position: absolute;
  z-index: 3;
  width: 150px;
  height: 150px;
  display: none;
  border: 2px solid rgba(15, 23, 42, 0.88);
  border-radius: 50%;
  background-color: #fff;
  background-repeat: no-repeat;
  box-shadow: 0 18px 42px rgba(2, 6, 23, 0.42), 0 0 0 3px rgba(248, 250, 252, 0.9);
  overflow: hidden;
  pointer-events: none;
}

.manual-magnifier.visible {
  display: block;
}

.manual-magnifier::before,
.manual-magnifier::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: rgba(239, 68, 68, 0.92);
  transform: translate(-50%, -50%);
  z-index: 2;
}

.manual-magnifier::before {
  width: 1px;
  height: 64%;
}

.manual-magnifier::after {
  width: 64%;
  height: 1px;
}

.manual-magnifier-plot {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.manual-magnifier-replot-layer {
  opacity: 0.68;
}

.plot-editor {
  width: 100%;
  display: grid;
  gap: 10px;
}

.plot-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.plot-toolbar select {
  max-width: 320px;
  min-width: 180px;
}

.plot-tool {
  min-width: 40px;
  height: 38px;
  padding: 8px 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 600;
}

.plot-tool.text {
  min-width: 58px;
  width: auto;
}

.plot-tool.active {
  border-color: var(--accent-2);
  color: var(--accent-2);
  background: rgba(6, 182, 212, 0.12);
}

.small-action {
  min-height: 34px;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 0.82rem;
  white-space: nowrap;
}

.manual-plot-toolbar {
  justify-content: center;
}

.plot-tool:disabled {
  opacity: 0.45;
  cursor: default;
}

.plot-remove-hint {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.2;
}

.plot-editor-svg {
  width: 100%;
  min-height: 390px;
  aspect-ratio: 900 / 620;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  background: rgba(2, 6, 23, 0.72);
  touch-action: none;
}

.plot-bg {
}

.plot-area {
}

.plot-grid {
  stroke-width: 1;
}

.plot-axis {
  stroke-width: 2;
}

.plot-line {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.92;
}

.plot-point {
  cursor: grab;
}

.plot-point:active {
  cursor: grabbing;
}

.plot-marker-shape {
  stroke-width: 2;
}

.plot-edit-handle {
  opacity: 0.42;
}

.plot-point.selected .plot-marker-shape {
  stroke: #f8fafc;
  stroke-width: 3;
}

.plot-tick,
.plot-title,
.plot-label,
.plot-legend {
  font-family: "Electrolize", "Segoe UI", sans-serif;
}

.plot-tick {
  font-size: 14px;
}

.plot-label {
  font-size: 17px;
}

.plot-title {
  font-size: 20px;
  font-weight: 600;
}

.plot-legend {
  font-size: 14px;
}

.manual-replot-layer {
  opacity: 1;
}

.manual-original-dim {
  fill: rgba(255, 255, 255, 0.68);
  pointer-events: none;
}

.manual-image-bounds {
  fill: transparent;
  stroke: rgba(248, 250, 252, 0.55);
  stroke-dasharray: 8 7;
  stroke-width: 1.4;
  pointer-events: none;
}

.manual-calibration-marker {
  pointer-events: none;
}

.manual-calibration-point {
  fill: #f8fafc;
  stroke: var(--accent-2);
  stroke-width: 3;
}

.manual-calibration-label-bg {
  fill: rgba(15, 23, 42, 0.86);
  stroke: rgba(248, 250, 252, 0.42);
  stroke-width: 1;
}

.manual-calibration-label,
.manual-step-label {
  fill: #f8fafc;
  font-family: "Electrolize", "Segoe UI", sans-serif;
  font-size: 14px;
  font-weight: 600;
  paint-order: stroke;
  stroke: rgba(2, 6, 23, 0.9);
  stroke-linejoin: round;
  stroke-width: 4;
}

.manual-step-label {
  pointer-events: none;
}

.hidden {
  display: none !important;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.hint.left {
  text-align: left;
}

.manual-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(2, 6, 23, 0.76);
  backdrop-filter: blur(8px);
}

.manual-modal {
  width: min(480px, 100%);
  padding: 22px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.96);
  box-shadow: var(--shadow);
}

.manual-modal h3 {
  margin: 0 0 10px;
}

.manual-modal p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.5;
}

.manual-value-popover {
  position: absolute;
  z-index: 5;
  width: min(220px, calc(100% - 20px));
  padding: 12px;
  border: 1px solid rgba(148, 163, 184, 0.32);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.97);
  box-shadow: 0 16px 34px rgba(2, 6, 23, 0.42);
}

.manual-value-popover h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
}

.manual-value-popover .calibration-field {
  gap: 5px;
}

.manual-value-popover input {
  padding: 9px 10px;
  border-radius: 9px;
  font-size: 0.9rem;
}

.manual-value-popover .manual-modal-actions {
  margin-top: 10px;
}

.manual-value-popover .ghost,
.manual-value-popover .primary {
  padding: 8px 10px;
  border-radius: 9px;
}

.info-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(2, 6, 23, 0.78);
  backdrop-filter: blur(8px);
}

.info-modal {
  width: min(680px, 100%);
  max-height: min(760px, 88vh);
  overflow: auto;
  padding: 24px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.97);
  box-shadow: var(--shadow);
}

.info-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.info-modal h2,
.info-modal h3 {
  margin: 0;
}

.info-modal h3 {
  font-size: 1rem;
}

.info-modal-body {
  display: grid;
  gap: 18px;
}

.info-modal p,
.info-modal li {
  color: var(--muted);
  line-height: 1.55;
}

.info-modal p {
  margin: 8px 0 0;
}

.info-modal ol {
  margin: 10px 0 0;
  padding-left: 22px;
}

.manual-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

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

.calibration-field {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.84rem;
}

.calibration-field input {
  width: 100%;
}

.manual-modal-error {
  min-height: 18px;
  margin: 12px 0 0 !important;
  color: var(--error) !important;
}

.actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  gap: 16px;
  flex-wrap: wrap;
}

.progress {
  margin-top: 12px;
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.15);
  overflow: hidden;
  position: relative;
  display: none;
}

.progress.active {
  display: block;
}

.progress-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-radius: inherit;
  transition: width 0.25s ease;
  overflow: hidden;
}

.progress-fill::after {
  content: "";
  position: absolute;
  inset: -40% -60%;
  background: linear-gradient(
    120deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.35) 45%,
    rgba(255, 255, 255, 0) 90%
  );
  animation: shimmer 1.4s linear infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-30%);
  }
  100% {
    transform: translateX(30%);
  }
}

.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border: none;
  color: #fff;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary.small-action {
  min-height: 36px;
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 0.82rem;
}

.primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 12px 34px rgba(6, 182, 212, 0.35);
}

.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: border 0.2s ease, color 0.2s ease;
}

.ghost:hover {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.status {
  font-size: 0.9rem;
  color: var(--muted);
}

.error-details {
  margin: 16px 0 0;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.08);
  color: #fecaca;
  font-family: "JetBrains Mono", "SFMono-Regular", monospace;
  font-size: 0.8rem;
  white-space: pre-wrap;
  display: none;
}

.results {
  display: none;
}

.results.visible {
  display: block;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.results-grid.images {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.result-card {
  background: var(--panel-strong);
  border-radius: 16px;
  padding: 18px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  display: grid;
  gap: 12px;
}

.result-card img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

textarea {
  min-height: 200px;
  resize: none;
  background: rgba(2, 6, 23, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 12px;
  color: #e2e8f0;
  padding: 14px;
  font-family: "Electrolize", "SFMono-Regular", monospace;
  font-size: 0.85rem;
}

.validation {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 16px;
}

.validation strong {
  color: var(--text);
}

.zip-download {
  margin-top: 16px;
}

.zip-download a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  background: rgba(15, 23, 42, 0.65);
}

.zip-download a:hover {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.zip-preview {
  display: grid;
  gap: 12px;
  place-items: center;
  text-align: center;
  color: var(--muted);
}

.zip-preview svg {
  width: 54px;
  height: 54px;
  fill: none;
  stroke: var(--accent-2);
  stroke-width: 1.6;
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer a {
  color: var(--accent-2);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

@media (max-width: 720px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    justify-content: flex-start;
  }

  .actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .input-row {
    flex-direction: column;
  }

  .preview.manual-preview {
    min-height: 420px;
    height: 68vh;
  }

  .preview-head,
  .manual-modal-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .calibration-grid {
    grid-template-columns: 1fr;
  }
}