frontend/src/styles.css

@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap");

:root {
  --bg0: #071820;
  --bg1: #0b3d4a;
  --bg2: #125a63;
  --ink: #f2f7f8;
  --muted: #a7c2c7;
  --accent: #2ec4b6;
  --accent-2: #f4a261;
  --danger: #e76f51;
  --panel: rgba(8, 28, 34, 0.72);
  --line: rgba(174, 214, 220, 0.22);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  font-family: Manrope, sans-serif;
  color: var(--ink);
  background: var(--bg0);
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(46, 196, 182, 0.18), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(244, 162, 97, 0.12), transparent 55%),
    linear-gradient(165deg, #071820 0%, #0b3d4a 48%, #083038 100%);
  background-attachment: fixed;
}

.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.hero {
  margin-bottom: 1.5rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.03em;
  max-width: 16ch;
}

.subtitle {
  margin: 0.85rem 0 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.guidance {
  margin: 0.65rem 0 0;
  color: var(--ink);
  font-weight: 600;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.25rem;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn:not(:disabled):hover {
  transform: translateY(-1px);
}

.btn.primary {
  background: var(--accent);
  color: #042229;
}

.btn.secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn.danger {
  background: var(--danger);
  color: white;
}

.model-toggle,
.view-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.2);
}

.model-toggle button,
.view-toggle button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 650;
  padding: 0.65rem 0.95rem;
  cursor: pointer;
}

.model-toggle button.active,
.view-toggle button.active {
  background: rgba(46, 196, 182, 0.2);
  color: var(--ink);
}

.prompt-toggle {
  margin-top: 0.9rem;
  background: none;
  border: 0;
  color: var(--muted);
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}

.prompt-box {
  display: block;
  width: min(100%, 52rem);
  margin-top: 0.65rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.28);
  color: var(--ink);
  padding: 0.85rem 1rem;
  font: inherit;
  resize: vertical;
}

.status {
  margin: 0.9rem 0 0;
  color: var(--accent-2);
  font-weight: 600;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: 1rem;
  min-height: min(70vh, 820px);
}

.pane {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 520px;
}

.pane-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.preview-pane {
  padding: 1rem;
}

.preview-image {
  width: 100%;
  max-height: 62vh;
  object-fit: contain;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
  margin-top: 0.75rem;
}

.preview-fallback {
  margin-top: 0.75rem;
  min-height: 280px;
  display: grid;
  place-content: center;
  gap: 0.4rem;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 1rem;
}

.examples {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 1rem;
}

.example-chip {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.example-chip:hover:not(:disabled) {
  border-color: var(--accent);
}

.result-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1rem 0.5rem;
}

.markdown-source,
.markdown-render {
  margin: 0;
  padding: 1rem 1.1rem 1.4rem;
  overflow: auto;
  flex: 1;
}

.markdown-source {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre-wrap;
  color: #d7ecef;
}

.markdown-render {
  line-height: 1.65;
}

.markdown-render :is(h1, h2, h3) {
  line-height: 1.2;
  margin: 1rem 0 0.5rem;
}

.markdown-render table {
  border-collapse: collapse;
  width: 100%;
  margin: 0.75rem 0;
  font-size: 0.92rem;
}

.markdown-render th,
.markdown-render td {
  border: 1px solid var(--line);
  padding: 0.4rem 0.55rem;
}

.markdown-render img {
  max-width: 100%;
  border-radius: 8px;
  margin: 0.75rem 0;
}

.markdown-render .visual-placeholder {
  padding: 0.75rem;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  margin: 0.75rem 0;
}

.markdown-render .muted {
  color: var(--muted);
}

@media (max-width: 960px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: none;
  }
}

.api-docs {
  margin-top: 1.1rem;
}

.api-docs-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
}

.api-link {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.api-link:hover {
  color: var(--accent);
}

.api-panel {
  margin-top: 0.85rem;
  padding: 1rem 1.1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.28);
  max-width: 52rem;
}

.api-lead {
  margin: 0 0 0.75rem;
  color: var(--muted);
  line-height: 1.55;
}

.api-lead code,
.api-meta code,
.api-params code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.85em;
  color: var(--accent);
}

.api-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-bottom: 0.85rem;
  color: var(--ink);
  font-size: 0.92rem;
}

.api-tabs {
  margin-bottom: 0.65rem;
}

.api-code-wrap {
  position: relative;
}

.api-copy {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  border: 1px solid var(--line);
  background: rgba(7, 24, 32, 0.9);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.api-code {
  margin: 0;
  padding: 0.9rem 1rem 1rem;
  overflow: auto;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--line);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  line-height: 1.5;
  white-space: pre;
  color: #d7ecef;
}

.api-params {
  margin: 0.85rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.55;
}