:root {
  color-scheme: light;
  --paper: #f7f0e8;
  --surface: #fffaf2;
  --surface-strong: #ffffff;
  --ink: #16343b;
  --muted: #63767b;
  --line: #d8cfc4;
  --teal: #225c57;
  --teal-dark: #16423f;
  --peach: #ffdab9;
  --mint: #cfe6dc;
  --rose: #9b4057;
  --shadow: 0 18px 48px rgba(22, 52, 59, 0.14);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a {
  color: var(--teal-dark);
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem max(1rem, calc((100vw - 1320px) / 2));
  border-bottom: 1px solid rgba(22, 52, 59, 0.12);
  background: rgba(247, 240, 232, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.15rem;
}

.brand img,
.login-brand img {
  width: 2.25rem;
  height: 2.25rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.model-pill,
.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0 0.7rem;
  border: 1px solid rgba(22, 52, 59, 0.14);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.88rem;
}

.status-warn {
  border-color: rgba(155, 64, 87, 0.35);
  color: var(--rose);
}

main {
  width: min(1320px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.2rem 0 3rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(320px, 440px) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.editor-panel,
.result-panel,
.login-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.editor-panel {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.panel-heading,
.result-toolbar,
.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 1.45rem;
  line-height: 1.2;
}

h2 {
  margin-bottom: 0.2rem;
  font-size: 1.05rem;
  line-height: 1.25;
}

.panel-heading span,
.result-toolbar span,
.history-body span,
.quiet {
  color: var(--muted);
  font-size: 0.9rem;
}

.notice {
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(155, 64, 87, 0.32);
  border-radius: 8px;
  background: #fff1f2;
  color: #7a263a;
}

.source-banner,
.source-choice {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: center;
  padding: 0.7rem;
  border: 1px solid rgba(34, 92, 87, 0.2);
  border-radius: 8px;
  background: #edf7f2;
}

.source-choice {
  grid-template-columns: auto 4.5rem minmax(0, 1fr);
  cursor: pointer;
}

.source-choice input {
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--teal);
}

.source-choice input:checked + img {
  outline: 3px solid rgba(34, 92, 87, 0.28);
}

.source-banner img,
.source-choice img {
  width: 4.5rem;
  height: 4.5rem;
  object-fit: cover;
  border-radius: 6px;
}

.source-banner strong,
.source-banner span,
.source-choice strong,
.source-choice span span {
  display: block;
}

.selected-sources {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  padding: 0.55rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.selected-sources span {
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  background: var(--teal);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 800;
}

.selected-sources img {
  width: 3.25rem;
  height: 3.25rem;
  object-fit: cover;
  border-radius: 6px;
}

.selected-sources a {
  margin-left: auto;
  font-weight: 800;
}

.upload-zone {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 16rem;
  border: 1.5px dashed rgba(34, 92, 87, 0.45);
  border-radius: 8px;
  background: #f4fbf7;
  cursor: pointer;
  overflow: hidden;
}

.upload-zone input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-zone.is-dragover {
  border-color: var(--teal);
  background: #e8f5ef;
}

.upload-zone.has-files {
  align-items: stretch;
  background: #101c20;
}

.upload-copy {
  display: grid;
  gap: 0.2rem;
  place-items: center;
  padding: 1rem;
  color: var(--muted);
  text-align: center;
}

.upload-copy strong {
  color: var(--ink);
  font-size: 1.05rem;
}

.upload-preview-grid {
  display: grid;
  width: 100%;
  height: 100%;
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  gap: 0.4rem;
  padding: 0.45rem;
  background: #101c20;
}

.upload-preview-grid img {
  width: 100%;
  height: 100%;
  min-height: 14.8rem;
  object-fit: contain;
  border-radius: 6px;
  background: #101c20;
}

.upload-zone.has-files .upload-copy {
  display: none;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field span,
fieldset legend {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

textarea,
select,
input[type="text"],
input[type="password"],
input[name="username"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--ink);
}

textarea {
  min-height: 9rem;
  resize: vertical;
  padding: 0.85rem;
}

select,
input[type="text"],
input[type="password"],
input[name="username"] {
  min-height: 2.75rem;
  padding: 0 0.75rem;
}

textarea:focus,
select:focus,
input:focus {
  outline: 3px solid rgba(34, 92, 87, 0.2);
  border-color: var(--teal);
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem;
  margin-top: 0.45rem;
}

.segmented label {
  min-width: 0;
}

.segmented input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented span {
  display: grid;
  place-items: center;
  min-height: 2.35rem;
  padding: 0 0.4rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 0.9rem;
  text-align: center;
  white-space: nowrap;
}

.segmented input:checked + span {
  border-color: var(--teal);
  background: var(--mint);
  color: var(--teal-dark);
  font-weight: 800;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  padding: 0 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  font-weight: 700;
}

.check-row input {
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--teal);
}

.primary-button,
.ghost-button,
.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  border-radius: 8px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
}

.primary-button {
  width: 100%;
  gap: 0.55rem;
  background: var(--teal);
  color: #ffffff;
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.78;
}

.ghost-button,
.download-button {
  padding: 0 0.85rem;
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}

.spinner {
  display: none;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #ffffff;
  border-radius: 999px;
  animation: spin 0.8s linear infinite;
}

.is-submitting .spinner {
  display: inline-block;
}

.input-counter {
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.input-counter.is-over-limit {
  color: var(--rose);
  font-weight: 800;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.result-panel {
  min-height: 32rem;
  padding: 1rem;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

figure {
  margin: 0;
  display: grid;
  gap: 0.45rem;
}

figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  border: 1px solid rgba(22, 52, 59, 0.16);
  border-radius: 8px;
  background: #111a1d;
}

figcaption {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.prompt-text {
  margin: 1rem 0 0;
  padding: 0.85rem;
  border-radius: 8px;
  background: #fff5e9;
  color: #4c3d32;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 27rem;
  border: 1px dashed var(--line);
  border-radius: 8px;
  text-align: center;
}

.empty-state p {
  margin-bottom: 0;
  color: var(--muted);
}

.history-section {
  margin-top: 1.3rem;
}

.history-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.9rem;
  margin-top: 0.7rem;
}

.history-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.history-image,
.history-fallback {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #102023;
}

.history-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.history-fallback {
  display: grid;
  place-items: center;
  color: var(--peach);
  font-weight: 800;
  text-transform: capitalize;
}

.history-body {
  display: grid;
  gap: 0.45rem;
  padding: 0.75rem;
}

.history-body p {
  display: -webkit-box;
  min-height: 3rem;
  margin: 0;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.history-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
  font-weight: 800;
}

.history-select {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--teal-dark);
  cursor: pointer;
}

.history-select input {
  width: 0.95rem;
  height: 0.95rem;
  accent-color: var(--teal);
}

.history-current {
  color: var(--muted);
}

.login-body {
  display: grid;
  place-items: center;
  padding: 1rem;
}

.login-shell {
  width: min(420px, 100%);
  padding: 0;
}

.login-panel {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.login-brand h1 {
  font-size: 1.35rem;
}

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

@media (max-width: 620px) {
  main {
    width: min(100% - 1rem, 1320px);
    padding-top: 0.7rem;
  }

  .topbar {
    align-items: flex-start;
  }

  .model-pill {
    display: none;
  }

  .settings-grid,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .source-banner {
    grid-template-columns: 3.5rem minmax(0, 1fr);
  }

  .source-banner a {
    grid-column: 2;
  }

  .source-choice {
    grid-template-columns: auto 3.5rem minmax(0, 1fr);
  }

  .source-choice img {
    width: 3.5rem;
    height: 3.5rem;
  }
}