/* ========================================
   OCTERIO Signal — Wellness Reels Analyzer
   Identidade visual OCTERIO (Arkkhe-Signal)
   ======================================== */

:root {
  --ark-orange: #ff6711;
  --ark-orange-bright: #ff8200;
  --ark-orange-deep: #ff6b35;
  --ark-orange-warm: #ff8400;

  --ark-ink: #101820;
  --ark-ink-soft: #111822;

  --ark-paper: #fffdfa;
  --ark-paper-2: #fffbf6;
  --ark-paper-3: #fdf9f4;
  --ark-shell: #ede9e3;
  --ark-silver: #dadddf;
  --ark-grey-500: #8a8f8d;
  --ark-grey-400: #7e8280;
  --ark-grey-300: #adb5bd;
  --ark-grey-200: #ced4da;
  --ark-grey-100: #dee2e6;

  --ark-dark: #0d0d0d;
  --ark-dark-2: #1a1a1a;

  --ark-shadow-cta: 0 10px 36px 0 rgba(16, 24, 32, 0.35), 0 0 0 1px rgba(16, 24, 32, 0.06);
  --ark-shadow-card: 0 1px 2px rgba(16, 24, 32, 0.04), 0 8px 24px rgba(16, 24, 32, 0.06);
  --ark-shadow-hover: 0 1px 2px rgba(16, 24, 32, 0.06), 0 12px 36px rgba(16, 24, 32, 0.08);

  --ark-ease-lenis: cubic-bezier(0.625, 0.05, 0, 1);
  --ark-ease-soft: cubic-bezier(0.22, 1, 0.36, 1);

  --ark-radius: 14px;
  --ark-radius-sm: 10px;
  --ark-container: 1180px;

  --font-display: "Fraunces", "Orlean", "Inter", Georgia, serif;
  --font-body: "Inter", "AventaLight", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  background: var(--ark-paper);
  color: var(--ark-ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--ark-container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ Header ============ */

.site-header {
  background: var(--ark-paper);
  border-bottom: 1px solid var(--ark-shell);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(255, 253, 250, 0.92);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ark-ink);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.005em;
}
.brand-mark {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--ark-orange);
  box-shadow: 0 0 0 4px rgba(255, 103, 17, 0.12);
  display: inline-block;
}
.brand-text strong {
  font-weight: 700;
  color: var(--ark-orange);
}
.header-meta {
  font-size: 12px;
  color: var(--ark-grey-500);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.vault-stats {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--ark-paper-2);
  border: 1px solid var(--ark-shell);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ark-ink);
}
.vault-stats em {
  font-style: normal;
  color: var(--ark-orange);
  font-weight: 600;
}
.vault-stats strong {
  font-weight: 600;
  color: var(--ark-ink);
}
.vault-sync-btn {
  background: transparent;
  border: 1px solid var(--ark-silver);
  color: var(--ark-grey-500);
  width: 26px;
  height: 26px;
  padding: 0;
  border-radius: 50%;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s var(--ark-ease-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.vault-sync-btn:hover {
  border-color: var(--ark-orange);
  color: var(--ark-orange);
  transform: rotate(180deg);
}
.vault-sync-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.header-meta .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #2cc06b;
  display: inline-block;
  box-shadow: 0 0 0 4px rgba(44, 192, 107, 0.16);
}

/* ============ Hero ============ */

.hero {
  padding: 72px 0 40px;
  max-width: 760px;
}
.kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ark-orange);
  background: rgba(255, 103, 17, 0.08);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 22px;
  font-weight: 500;
}
.lead strong { color: var(--ark-ink); font-weight: 600; }
.lead em { color: var(--ark-orange-deep); font-style: italic; }
.site-footer small strong { font-weight: 700; color: var(--ark-orange); }
.display, h1.display {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--ark-ink);
}
.display em {
  font-style: italic;
  color: var(--ark-orange);
}
.lead {
  color: var(--ark-grey-500);
  font-size: 17px;
  line-height: 1.6;
  max-width: 620px;
  margin: 0;
}

/* ============ Cards / Panels ============ */

.card {
  background: var(--ark-paper);
  border: 1px solid var(--ark-shell);
  border-radius: var(--ark-radius);
  box-shadow: var(--ark-shadow-card);
}
.panel {
  padding: 28px;
  margin-bottom: 28px;
  transition: box-shadow 0.4s var(--ark-ease-soft);
}
.panel:hover {
  box-shadow: var(--ark-shadow-hover);
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.panel-head h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 0 0 4px;
  color: var(--ark-ink);
}
.panel-head p {
  margin: 0;
  font-size: 14px;
  color: var(--ark-grey-500);
}

/* ============ Forms ============ */

.form-grid {
  display: grid;
  grid-template-columns: 1fr 110px auto;
  gap: 12px;
  align-items: end;
}
.form-stack {
  display: grid;
  gap: 14px;
}
.form-row {
  display: flex;
  align-items: end;
  gap: 12px;
  justify-content: space-between;
  flex-wrap: wrap;
}
.field {
  display: grid;
  gap: 6px;
}
.field-narrow { width: 110px; }
label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ark-grey-500);
  font-weight: 500;
}
input, textarea {
  font: inherit;
  font-family: var(--font-body);
  padding: 12px 14px;
  border: 1px solid var(--ark-silver);
  border-radius: var(--ark-radius-sm);
  background: var(--ark-paper-2);
  color: var(--ark-ink);
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}
textarea {
  resize: vertical;
  min-height: 120px;
  font-size: 14px;
  line-height: 1.5;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--ark-ink);
  box-shadow: 0 0 0 3px rgba(16, 24, 32, 0.08);
}

/* ============ Buttons ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: none;
  border-radius: var(--ark-radius-sm);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.18s var(--ark-ease-soft), box-shadow 0.3s var(--ark-ease-soft), background 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn.btn--sm {
  padding: 7px 12px;
  font-size: 12px;
  border-radius: 8px;
}
.btn-primary {
  background: var(--ark-ink);
  color: var(--ark-paper);
  box-shadow: var(--ark-shadow-cta);
}
.btn-primary:hover:not(:disabled) {
  background: var(--ark-ink-soft);
  transform: translateY(-1px);
}
.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}
.btn-secondary {
  background: var(--ark-paper);
  color: var(--ark-ink);
  border: 1.5px solid var(--ark-ink);
}
.btn-secondary:hover {
  background: var(--ark-shell);
}
.btn-ghost {
  background: transparent;
  color: var(--ark-orange);
  border: 1px solid rgba(255, 103, 17, 0.4);
  padding: 10px 16px;
  font-size: 14px;
}
.btn-ghost:hover {
  background: rgba(255, 103, 17, 0.08);
  border-color: var(--ark-orange);
}

/* ============ Status & Progress ============ */

.status-box {
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--ark-paper-2);
  border: 1px solid var(--ark-shell);
  border-radius: var(--ark-radius-sm);
}
.bar {
  height: 6px;
  background: var(--ark-shell);
  border-radius: 999px;
  overflow: hidden;
}
#bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--ark-orange), var(--ark-orange-bright));
  width: 0%;
  transition: width 0.5s var(--ark-ease-soft);
  border-radius: 999px;
}
#step {
  margin: 10px 0 0;
  color: var(--ark-grey-500);
  font-size: 13px;
}

.error-box {
  margin-top: 18px;
  padding: 14px 16px;
  background: #fdecec;
  color: #b8454a;
  border: 1px solid #f3c1c4;
  border-radius: var(--ark-radius-sm);
  font-size: 14px;
}
:root { --error: #b8454a; }

.hidden { display: none !important; }

/* Auth gate (Clerk) */
.auth-gate {
  position: fixed;
  inset: 0;
  background: var(--ark-paper);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}
.auth-card {
  background: var(--ark-paper);
  border: 1px solid var(--ark-shell);
  border-radius: var(--ark-radius);
  box-shadow: var(--ark-shadow-card);
  padding: 36px;
  max-width: 440px;
  width: 100%;
  text-align: center;
}
.auth-card .brand-mark {
  margin: 0 auto 16px;
  display: inline-block;
  width: 18px; height: 18px;
}
.auth-card h1 {
  font-size: 28px !important;
  margin: 0 0 6px;
}
.auth-card .lead { font-size: 14px; margin: 0 0 20px; }
#clerk-signin { display: flex; justify-content: center; }

/* ============ Batch grid ============ */

.batch-status {
  margin-top: 22px;
}
.batch-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: var(--ark-paper-2);
  border: 1px solid var(--ark-shell);
  border-radius: var(--ark-radius-sm);
  margin-bottom: 14px;
  font-size: 14px;
  flex-wrap: wrap;
}
.batch-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
}
.batch-item {
  background: var(--ark-paper-2);
  border: 1px solid var(--ark-shell);
  border-radius: var(--ark-radius-sm);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.batch-item .icon { font-size: 14px; }
.batch-item.done    { border-color: rgba(44, 192, 107, 0.3); }
.batch-item.error   { border-color: rgba(184, 69, 74, 0.3); background: #fdf6f6; }
.batch-item.running { border-color: var(--ark-orange); background: rgba(255, 103, 17, 0.05); }
.batch-item .username {
  font-weight: 500;
  color: var(--ark-ink);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.batch-item .meta {
  font-size: 11px;
  color: var(--ark-grey-500);
}
/* ============ Lookalike discovery ============ */

.lookalike-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--ark-paper-2);
  border: 1px solid var(--ark-shell);
  border-radius: var(--ark-radius-sm);
  margin: 18px 0 14px;
  font-size: 13px;
  flex-wrap: wrap;
}

.lookalike-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.lookalike-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 14px;
  align-items: center;
  padding: 12px 14px;
  background: var(--ark-paper-2);
  border: 1px solid var(--ark-shell);
  border-radius: var(--ark-radius-sm);
  font-size: 13px;
}
.lookalike-row.high-niche { border-color: rgba(255, 103, 17, 0.4); background: rgba(255, 103, 17, 0.04); }
.lookalike-row.zero-niche { opacity: 0.65; }
.lookalike-row .lk-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.lookalike-row .lk-username {
  font-weight: 600;
  color: var(--ark-ink);
}
.lookalike-row .lk-username a {
  color: inherit;
  text-decoration: none;
}
.lookalike-row .lk-username a:hover { color: var(--ark-orange); }
.lookalike-row .lk-bio {
  font-size: 12px;
  color: var(--ark-grey-500);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lookalike-row .lk-stat {
  font-size: 12px;
  color: var(--ark-grey-500);
  text-align: right;
  white-space: nowrap;
}
.lookalike-row .lk-stat strong {
  color: var(--ark-ink);
  font-size: 13px;
}
.lookalike-row .lk-niche {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-weight: 600;
  font-size: 12px;
  background: var(--ark-shell);
  color: var(--ark-grey-500);
}
.lookalike-row.high-niche .lk-niche {
  background: var(--ark-orange);
  color: var(--ark-paper);
}
/* "+ lote" button reusa .btn .btn-secondary .btn--sm — sem CSS custom.
   .added apenas inverte cores via classe utilitária. */
.btn.added {
  background: var(--ark-orange);
  color: var(--ark-paper);
  border-color: var(--ark-orange);
}

/* ============ Copy generator panel ============ */

.radio-group {
  display: flex;
  gap: 8px;
}
.radio-pill {
  flex: 1;
  padding: 9px 12px;
  border: 1px solid var(--ark-silver);
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  text-align: center;
  background: var(--ark-paper-2);
  transition: all 0.15s var(--ark-ease-soft);
  text-transform: none !important;
  letter-spacing: 0 !important;
  color: var(--ark-ink) !important;
}
.radio-pill input[type="radio"] {
  display: none;
}
.radio-pill:has(input:checked) {
  background: var(--ark-ink);
  color: var(--ark-paper) !important;
  border-color: var(--ark-ink);
}

select {
  font: inherit;
  padding: 12px 14px;
  border: 1px solid var(--ark-silver);
  border-radius: var(--ark-radius-sm);
  background: var(--ark-paper-2);
  color: var(--ark-ink);
  cursor: pointer;
  width: 100%;
}

.tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-chk {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border: 1px solid var(--ark-silver);
  border-radius: 999px;
  cursor: pointer;
  font-size: 12px;
  background: var(--ark-paper-2);
  transition: all 0.15s;
  text-transform: none !important;
  letter-spacing: 0 !important;
  color: var(--ark-grey-500) !important;
}
.tag-chk:hover {
  border-color: var(--ark-orange);
  color: var(--ark-orange) !important;
}
.tag-chk input {
  display: none;
}
.tag-chk:has(input:checked) {
  background: rgba(255, 103, 17, 0.1);
  border-color: var(--ark-orange);
  color: var(--ark-orange) !important;
}
.tag-chk small {
  opacity: 0.7;
  margin-left: 2px;
}

.copy-result-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--ark-paper-3);
  border: 1px solid var(--ark-shell);
  border-radius: var(--ark-radius-sm);
  margin: 18px 0 14px;
  flex-wrap: wrap;
}
.copy-output {
  background: var(--ark-paper);
  border: 1px solid var(--ark-shell);
  border-radius: var(--ark-radius-sm);
  padding: 22px 26px;
  margin-bottom: 14px;
  box-shadow: var(--ark-shadow-card);
}
.refs-head {
  font-family: var(--font-body);
  font-size: 12px !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ark-grey-500) !important;
  margin: 18px 0 8px !important;
}
.copy-refs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}
.copy-refs li {
  padding: 8px 12px;
  background: var(--ark-paper-2);
  border: 1px solid var(--ark-shell);
  border-radius: 8px;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.copy-refs li .ref-meta {
  font-size: 11px;
  color: var(--ark-grey-500);
}
.copy-refs li a {
  color: var(--ark-ink);
  text-decoration: underline;
  text-decoration-color: var(--ark-grey-300);
}

.batch-actions {
  margin-left: auto;
  display: inline-flex;
  gap: 8px;
}
.batch-dl {
  text-decoration: none;
  font-size: 15px;
  opacity: 0.55;
  transition: opacity 0.15s, transform 0.15s;
}
.batch-dl:hover {
  opacity: 1;
  transform: scale(1.18);
}
#export-bar { display: flex; gap: 10px; }

/* Intel banner — score + tier no resultado single profile */
.intel-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  margin-bottom: 14px;
  border-radius: var(--ark-radius-sm);
  font-size: 13px;
  border: 1px solid var(--ark-shell);
}
.intel-banner.intel-tier-s { background: rgba(255, 103, 17, 0.10); border-color: var(--ark-orange); }
.intel-banner.intel-tier-a { background: rgba(255, 103, 17, 0.06); border-color: rgba(255, 103, 17, 0.4); }
.intel-banner.intel-tier-b { background: var(--ark-paper-2); }
.intel-banner.intel-tier-c { background: var(--ark-paper-2); }
.intel-banner.intel-filtered { background: #fdf2f2; border-color: #f3c1c4; color: var(--error); }
.intel-tier {
  display: inline-block;
  padding: 4px 10px;
  background: var(--ark-ink);
  color: var(--ark-paper);
  border-radius: 999px;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.04em;
}
.intel-tier-s .intel-tier { background: var(--ark-orange); }
.intel-score strong { font-size: 15px; color: var(--ark-ink); }
.intel-meta { color: var(--ark-grey-500); font-size: 12px; }
.intel-tag {
  background: var(--ark-shell);
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  color: var(--ark-ink);
}

/* ============ Meta ============ */

.products-detected {
  margin: 0 0 14px;
  padding: 12px 16px;
  background: var(--ark-paper-2);
  border: 1px solid var(--ark-shell);
  border-radius: 8px;
  font-size: 13px;
}
.products-detected summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}
.products-detected summary::-webkit-details-marker { display: none; }
.products-detected[open] summary { margin-bottom: 4px; }
.product-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 4px 0;
  border-bottom: 1px solid var(--ark-shell);
  font-size: 13px;
}
.product-row:last-child { border-bottom: none; }

.meta-card {
  padding: 22px 26px;
  margin-bottom: 18px;
  font-size: 14px;
  line-height: 1.7;
}
.meta-card strong {
  font-weight: 600;
}
.meta-card em {
  display: block;
  margin-top: 8px;
  color: var(--ark-grey-500);
  font-style: normal;
  font-size: 13px;
}

#export-bar { margin: 0 0 18px; }

/* ============ Video cards ============ */

.video-card {
  background: var(--ark-paper);
  border: 1px solid var(--ark-shell);
  border-radius: var(--ark-radius);
  padding: 24px 26px;
  margin-bottom: 18px;
  box-shadow: var(--ark-shadow-card);
  transition: box-shadow 0.4s var(--ark-ease-soft);
}
.video-card:hover {
  box-shadow: var(--ark-shadow-hover);
}
.video-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 19px;
  margin: 0 0 6px;
  color: var(--ark-ink);
  letter-spacing: -0.01em;
}
.video-card .stats {
  font-size: 13px;
  color: var(--ark-grey-500);
  margin-bottom: 14px;
}
.video-card .stats strong {
  color: var(--ark-ink);
  font-weight: 600;
}
.video-card .stats .rate {
  color: var(--ark-orange);
  font-weight: 500;
}
.video-card .stats a {
  color: var(--ark-ink);
  text-decoration: underline;
  text-decoration-color: var(--ark-grey-300);
  text-underline-offset: 2px;
}
.video-card .stats a:hover {
  text-decoration-color: var(--ark-orange);
}

.block {
  margin-top: 16px;
  border-top: 1px solid var(--ark-shell);
  padding-top: 14px;
}
.block h4 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ark-grey-500);
}
.block pre {
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.55;
  margin: 0;
  background: var(--ark-paper-2);
  border: 1px solid var(--ark-shell);
  border-radius: var(--ark-radius-sm);
  padding: 12px 14px;
  color: var(--ark-ink);
}

.block.analysis {
  background: var(--ark-paper-3);
  border: 1px solid var(--ark-shell);
  border-radius: var(--ark-radius-sm);
  padding: 16px 18px;
  border-top: 1px solid var(--ark-shell);
  margin-top: 18px;
}
.block.analysis h4 {
  color: var(--ark-orange-deep);
}

/* Analysis rendered markdown */
.md-output h5 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  margin: 16px 0 6px;
  color: var(--ark-ink);
  letter-spacing: -0.005em;
}
.md-output p {
  margin: 6px 0;
  font-size: 14px;
  line-height: 1.55;
}
.md-output ul {
  margin: 6px 0 6px 22px;
  font-size: 14px;
  padding-left: 0;
}
.md-output li {
  margin-bottom: 4px;
}
.md-output strong { font-weight: 600; }
.md-output em { color: var(--ark-grey-500); }

.copy-table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
  font-size: 12.5px;
  background: var(--ark-paper);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--ark-shell);
}
.copy-table th, .copy-table td {
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--ark-shell);
}
.copy-table th {
  background: var(--ark-shell);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ark-ink);
}
.copy-table tr:last-child td {
  border-bottom: none;
}

/* ============ NanoBanana chat-style ============ */

.nano-panel { padding-bottom: 32px; }
.nano-chat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 12px 0 0;
}
.nano-headline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -0.01em;
  margin: 8px 0 4px;
  color: var(--ark-ink);
  text-align: center;
}
.nano-input-card {
  width: 100%;
  background: var(--ark-paper-2);
  border: 1.5px solid var(--ark-shell);
  border-radius: 14px;
  transition: border-color 0.2s;
}
.nano-input-card:focus-within {
  border-color: var(--ark-orange);
  box-shadow: 0 0 0 3px rgba(255, 103, 17, 0.08);
}
.nano-textarea {
  width: 100%;
  min-height: 60px;
  max-height: 200px;
  padding: 14px 16px 6px;
  border: none;
  background: transparent;
  color: var(--ark-ink);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  resize: none;
  outline: none;
}
.nano-textarea::placeholder { color: var(--ark-grey-500); font-size: 14px; }
.nano-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px 10px;
  gap: 8px;
}
.nano-controls-left, .nano-controls-right {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nano-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: var(--ark-grey-500);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.nano-icon-btn:hover { background: var(--ark-shell); color: var(--ark-ink); }
.nano-status-pill {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--ark-shell);
  color: var(--ark-grey-500);
  white-space: nowrap;
}
.nano-send-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--ark-shell);
  color: var(--ark-grey-500);
  border: none;
  cursor: pointer;
  transition: all 0.15s;
}
.nano-send-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.nano-send-btn.active {
  background: var(--ark-ink);
  color: var(--ark-paper);
}
.nano-send-btn.active:hover { background: var(--ark-orange); }

.nano-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.nano-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--ark-paper-2);
  border: 1px solid var(--ark-shell);
  border-radius: 999px;
  font-size: 12px;
  color: var(--ark-grey-500);
  cursor: pointer;
  transition: all 0.15s;
}
.nano-pill:hover {
  background: var(--ark-paper);
  border-color: var(--ark-orange);
  color: var(--ark-ink);
}

.nano-thread {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 18px;
}
.nano-thread:empty { display: none; }
.nano-msg {
  display: flex;
  width: 100%;
}
.nano-msg-user { justify-content: flex-end; }
.nano-msg-assistant { justify-content: flex-start; }
.nano-bubble {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.5;
}
.nano-msg-user .nano-bubble {
  background: var(--ark-ink);
  color: var(--ark-paper);
  border-bottom-right-radius: 4px;
}
.nano-msg-assistant .nano-bubble {
  background: var(--ark-paper-2);
  border: 1px solid var(--ark-shell);
  color: var(--ark-ink);
  border-bottom-left-radius: 4px;
  width: 95%;
  max-width: 95%;
}
.nano-bubble-loading {
  font-style: italic;
  color: var(--ark-grey-500);
}
.nano-bubble-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ark-grey-500);
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.nano-bubble-meta strong { color: var(--ark-ink); }
.nano-copy-btn {
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--ark-silver);
  color: var(--ark-ink);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
}
.nano-copy-btn:hover { border-color: var(--ark-orange); color: var(--ark-orange); }
.nano-json {
  background: var(--ark-paper-3);
  border-radius: 8px;
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  max-height: 480px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}
.nano-refs {
  margin-top: 8px;
  font-size: 11px;
  color: var(--ark-grey-500);
}
.nano-refs code {
  background: var(--ark-shell);
  padding: 2px 6px;
  border-radius: 4px;
  margin-right: 4px;
}

.provider-note {
  display: block;
  margin-top: 8px;
  color: var(--ark-grey-500);
  font-size: 11px;
  font-style: italic;
}

/* ============ Footer ============ */

.site-footer {
  margin-top: 64px;
  padding: 24px 0 32px;
  border-top: 1px solid var(--ark-shell);
  background: var(--ark-paper-2);
}
.site-footer small {
  color: var(--ark-grey-400);
  font-size: 12px;
}

/* ============ Responsive ============ */

@media (max-width: 720px) {
  .hero { padding: 48px 0 28px; }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .field-narrow { width: 100%; }
  .panel { padding: 20px; }
  .panel-head { flex-direction: column; align-items: stretch; }
  .panel-head .btn { align-self: flex-start; }
}