@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ============================================================
   V2 Declarative App Runtime — central stylesheet
   Extracted from Applications/writing-hosted.html to replace the
   inline <style> duplicated across 120+ AI-app HTML files.
   Same moss / clay / cream visual design as the existing apps.
   ============================================================ */

:root {
  /* Core palette (V2 tokens) */
  --moss: #2E4036;
  --clay: #CC5833;
  --cream: #F4EFE6;
  --charcoal: #1C1C1A;
  --container: #FBF8F2;            /* soft off-white card bg */
  --container-max: min(1200px, calc(100vw - 2.5rem));
  --moss-soft: rgba(46, 64, 54, 0.08);
  --clay-soft: rgba(204, 88, 51, 0.10);

  /* Supporting tokens (kept from the existing design) */
  --white: #ffffff;
  --ink-soft: rgba(28, 28, 26, 0.7);
  --ink-faint: rgba(28, 28, 26, 0.48);
  --card-light: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.28);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0; min-height: 100vh;
  color: var(--charcoal);
  font-family: 'Outfit', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(204, 88, 51, 0.06), transparent 30%),
    radial-gradient(circle at 80% 12%, rgba(46, 64, 54, 0.10), transparent 25%),
    linear-gradient(180deg, #f5f2eb 0%, var(--cream) 20%, #ebe7de 100%);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.noise-layer {
  position: fixed; inset: 0; z-index: 100;
  pointer-events: none; opacity: 0.04; mix-blend-mode: multiply;
}

/* ---------- Top Nav (fixed pill) ---------- */
.top-nav {
  position: fixed; top: 1rem; left: 50%; transform: translateX(-50%);
  width: min(1120px, calc(100vw - 2rem)); z-index: 90;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.8rem 1.2rem 0.8rem 1.4rem;
  border-radius: 999px;
  background: rgba(244, 239, 230, 0.82);
  border: 1px solid rgba(46, 64, 54, 0.12);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1rem 2.5rem rgba(28, 28, 26, 0.06);
}
.top-nav__brand {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700; font-size: 0.9rem; letter-spacing: 0.04em; color: var(--moss);
}
.top-nav__brand-dot {
  width: 2rem; height: 2rem; border-radius: 999px;
  background: linear-gradient(135deg, rgba(204, 88, 51, 0.92), rgba(46, 64, 54, 0.94));
  color: var(--cream); display: grid; place-items: center; font-size: 0.7rem;
}
.top-nav__back {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.82rem; font-weight: 500; color: var(--ink-soft);
  padding: 0.5rem 0.9rem; border-radius: 999px; transition: all 0.2s ease;
}
.top-nav__back:hover { background: rgba(46, 64, 54, 0.08); color: var(--moss); }

/* ---------- Shell ---------- */
.app-shell {
  max-width: var(--container-max); margin: 0 auto; padding: 7rem 0 5rem;
}
.app-header { text-align: center; margin-bottom: 2rem; padding: 0 1rem; }
.app-kicker {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--clay); margin-bottom: 1rem;
}
.app-kicker__dot {
  width: 6px; height: 6px; border-radius: 50%; background: #4ade80;
  animation: pulse-dot 2s infinite ease-in-out;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.app-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.8rem, 4.5vw, 3rem); font-weight: 800;
  letter-spacing: -0.03em; line-height: 1.1; margin: 0 0 0.8rem; color: var(--charcoal);
}
.app-title em {
  font-family: 'Outfit', sans-serif; font-weight: 500; font-style: italic; color: var(--clay);
}
.app-subtitle {
  font-size: 1rem; line-height: 1.6; color: var(--ink-soft); max-width: 560px; margin: 0 auto;
}

/* Free badge (pill near title) */
.free-badge {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem; letter-spacing: 0.04em;
  color: var(--clay);
  border: 1px solid var(--clay);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  margin-left: 0.5rem;
  vertical-align: middle;
}

/* ---------- Main Layout ---------- */
.app-layout {
  display: grid; grid-template-columns: 260px 1fr 1fr; gap: 1.5rem; padding: 0 1rem;
}
@media (max-width: 1100px) {
  .app-layout { grid-template-columns: 1fr; }
}

/* ---------- Panels (glass / cream card) ---------- */
.panel {
  background: var(--container);
  border: 1px solid rgba(46, 64, 54, 0.08);
  border-radius: 1.4rem; padding: 1.4rem;
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 0.8rem 2rem rgba(28, 28, 26, 0.05);
}

.card-label {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--moss); margin: 0 0 0.6rem;
}

.input-field {
  width: 100%; padding: 0.85rem 1rem;
  border: 1.5px solid rgba(46, 64, 54, 0.14); border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.8); color: var(--charcoal);
  font-family: 'Outfit', sans-serif; font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease; outline: none;
}
.input-field:focus { border-color: var(--moss); box-shadow: 0 0 0 3px var(--moss-soft); }
select.input-field {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%231C1C1A' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L2 5h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.8rem center;
  padding-right: 2.2rem; cursor: pointer;
}
textarea.input-field { min-height: 90px; resize: vertical; line-height: 1.5; }
.hint { font-size: 0.74rem; color: var(--ink-faint); margin: 0.4rem 0 0; font-family: 'IBM Plex Mono', monospace; }
.key-toggle {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-size: 0.74rem; color: var(--ink-faint); background: none; border: none; cursor: pointer;
  font-family: 'IBM Plex Mono', monospace; padding: 0.2rem 0 0;
}
.key-toggle:hover { color: var(--moss); }

/* ---------- Text Editor ---------- */
.text-editor {
  width: 100%; min-height: 280px;
  padding: 1rem; border: 1.5px solid rgba(46, 64, 54, 0.14);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.85);
  color: var(--charcoal);
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem; line-height: 1.7;
  resize: vertical; outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.text-editor:focus { border-color: var(--moss); box-shadow: 0 0 0 3px var(--moss-soft); }

/* ---------- Action Buttons ---------- */
.actions-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem;
  margin-top: 0.8rem;
}
.action-btn {
  display: flex; flex-direction: column; align-items: center; gap: 0.3rem;
  padding: 0.6rem 0.4rem;
  border: 1.5px solid rgba(46, 64, 54, 0.1);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.7rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--ink-soft);
}
.action-btn:hover, .action-btn.selected, .action-btn.active {
  border-color: var(--moss);
  background: rgba(46, 64, 54, 0.06);
  color: var(--moss);
}
.action-btn-icon { font-size: 1.2rem; }

/* ---------- Tone & Format Chips ---------- */
.chip-group {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
}
.chip {
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(46, 64, 54, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem; color: var(--ink-soft);
  cursor: pointer; transition: all 0.2s ease;
}
.chip:hover, .chip.selected, .chip.active {
  border-color: var(--moss);
  background: rgba(46, 64, 54, 0.06);
  color: var(--moss);
}

/* ---------- Question Input ---------- */
.question-row {
  display: flex; gap: 0.6rem; align-items: flex-end;
  margin-top: 0.8rem;
}
.question-row textarea {
  flex: 1; min-height: 44px; max-height: 100px;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid rgba(46, 64, 54, 0.14); border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.8);
  color: var(--charcoal); font-family: 'Outfit', sans-serif; font-size: 0.9rem;
  resize: none; outline: none; transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.question-row textarea:focus { border-color: var(--moss); box-shadow: 0 0 0 3px var(--moss-soft); }

/* ---------- Generate ---------- */
.generate-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.7rem 1.2rem; border: none; border-radius: 999px;
  background: var(--clay); color: var(--cream);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.85rem; font-weight: 700; cursor: pointer;
  transition: all 0.25s ease; white-space: nowrap;
  box-shadow: 0 0.3rem 1rem rgba(204, 88, 51, 0.2);
}
.generate-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 0.5rem 1.5rem rgba(204, 88, 51, 0.3); }
.generate-btn:active:not(:disabled) { transform: translateY(0); }
.generate-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.generate-btn svg { width: 16px; height: 16px; }
.spinner-sm {
  display: none; width: 16px; height: 16px;
  border: 2px solid rgba(244, 239, 230, 0.3);
  border-top-color: var(--cream); border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.generate-btn.loading .spinner-sm { display: block; }
.generate-btn.loading .btn-text,
.generate-btn.loading svg:not(.spinner-sm) { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Output ---------- */
.output-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.8rem;
}
.output-model {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem; letter-spacing: 0.04em;
  color: var(--ink-soft);
  padding: 0.25rem 0.6rem; border-radius: 999px;
  background: rgba(46, 64, 54, 0.06);
}
.output-meta { font-family: 'IBM Plex Mono', monospace; font-size: 0.65rem; color: var(--ink-faint); }

.output-panel {
  min-height: 280px; display: flex; flex-direction: column;
}
.output-content {
  flex: 1;
  padding: 1.2rem;
  border: 1.5px solid rgba(46, 64, 54, 0.08);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.85);
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem; line-height: 1.7;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.output-content code,
.output-content pre {
  font-family: 'IBM Plex Mono', monospace;
  background: rgba(46, 64, 54, 0.06);
  border-radius: 0.4rem;
  padding: 0.1rem 0.35rem;
}
.output-content pre { display: block; padding: 0.8rem; overflow: auto; white-space: pre-wrap; }

/* ── Markdown-rendered content (spec.output.format === 'markdown') ──
   Block elements must NOT inherit the base `white-space: pre-wrap` (which is
   correct for plain-text output) — otherwise the newlines the renderer inserts
   between block tags would render as extra blank lines. We reset them to
   `normal` and give them real typographic spacing instead. */
.output-content h1, .output-content h2, .output-content h3,
.output-content h4, .output-content h5, .output-content h6 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700; line-height: 1.25; color: var(--charcoal);
  margin: 1.1rem 0 0.5rem; white-space: normal;
}
.output-content h1 { font-size: 1.5rem; }
.output-content h2 { font-size: 1.3rem; }
.output-content h3 { font-size: 1.12rem; }
.output-content h4 { font-size: 1rem; }
.output-content h5, .output-content h6 { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.04em; }
.output-content h1:first-child, .output-content h2:first-child, .output-content h3:first-child,
.output-content h4:first-child, .output-content h5:first-child, .output-content h6:first-child { margin-top: 0; }

.output-content p { margin: 0 0 0.9rem; white-space: normal; }
.output-content p:last-child { margin-bottom: 0; }

.output-content ul, .output-content ol { margin: 0 0 0.9rem; padding-left: 1.4rem; white-space: normal; }
.output-content li { margin: 0.25rem 0; }
.output-content li > ul, .output-content li > ol { margin-bottom: 0; }

.output-content blockquote {
  margin: 0 0 0.9rem; padding: 0.6rem 1rem;
  border-left: 3px solid var(--clay);
  background: var(--clay-soft); border-radius: 0 0.6rem 0.6rem 0;
  color: var(--ink-soft); font-style: italic; white-space: normal;
}
.output-content blockquote:last-child { margin-bottom: 0; }

.output-content hr { border: none; border-top: 1px solid rgba(46, 64, 54, 0.14); margin: 1.1rem 0; white-space: normal; }

.output-content a { color: var(--moss); text-decoration: underline; text-underline-offset: 2px; }
.output-content a:hover { color: var(--clay); }

.placeholder-text {
  color: var(--ink-faint);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
}
.placeholder-text svg {
  width: 40px; height: 40px;
  color: rgba(28, 28, 26, 0.2); opacity: 0.4;
}

.output-actions {
  display: flex; gap: 0.5rem; margin-top: 0.8rem;
}
.result-btn {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem; letter-spacing: 0.04em;
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(46, 64, 54, 0.14);
  border-radius: 999px; background: transparent; color: var(--moss);
  cursor: pointer; transition: all 0.2s ease;
  display: inline-flex; align-items: center; gap: 0.3rem;
}
.result-btn:hover { background: var(--moss); color: var(--cream); border-color: var(--moss); }
.result-btn svg { width: 14px; height: 14px; }

/* ---------- Stats Bar ---------- */
.stats-bar {
  display: flex; gap: 1rem; margin-top: 0.8rem; padding-top: 0.8rem;
  border-top: 1px solid rgba(46, 64, 54, 0.08);
}
.stat-item {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem; color: var(--ink-faint);
}
.stat-item strong { color: var(--ink-soft); }

/* ---------- Error ---------- */
.error-msg {
  display: none; padding: 0.8rem 1rem; border-radius: 0.9rem;
  background: var(--clay-soft);
  border: 1px solid rgba(204, 88, 51, 0.2);
  font-size: 0.82rem; color: var(--clay);
}
.error-msg.visible { display: block; }

/* ---------- Footer ---------- */
.app-footer {
  margin-top: 3rem; padding: 1.5rem 1rem;
  text-align: center; font-size: 0.78rem; color: var(--ink-faint);
}
.app-footer a { color: var(--moss); text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Runtime shell wrapper ---------- */
.ai-app-shell { display: block; }

/* ---------- Small-screen tweak (<= 640px) ---------- */
@media (max-width: 640px) {
  .app-shell { padding: 5.5rem 0 3rem; }
  .app-title { font-size: clamp(1.5rem, 7vw, 2rem); }
  .app-subtitle { font-size: 0.92rem; }
  .top-nav { width: calc(100vw - 1rem); padding: 0.6rem 1rem; }
  .top-nav__brand { font-size: 0.8rem; }
  .top-nav__back { font-size: 0.75rem; padding: 0.4rem 0.7rem; }
  .app-layout { padding: 0 0.5rem; gap: 1rem; }
  .panel { padding: 1rem; border-radius: 1.1rem; }
  .actions-grid { grid-template-columns: 1fr 1fr; }
  .question-row { flex-direction: column; align-items: stretch; }
  .question-row .generate-btn { width: 100%; }
  .generate-btn { width: 100%; }
  .output-actions { flex-wrap: wrap; }
  .stats-bar { flex-wrap: wrap; gap: 0.6rem; }
}