/* ─── Liquid Minimal — Store → CSV ───────────────────────────────────────────
   Design system: Liquid Glass × OLED Dark × Minimal Single Column
   Font: Plus Jakarta Sans (300–700) + JetBrains Mono
   Palette: True black · liquid gradient (cyan→indigo→violet) · ghost glass panels
   ─────────────────────────────────────────────────────────────────────────── */

:root {
  --font:      "Plus Jakarta Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Backgrounds */
  --bg:        #000;
  --surface:   rgba(255, 255, 255, 0.040);
  --surface-2: rgba(255, 255, 255, 0.065);
  --bg-input:  rgba(255, 255, 255, 0.048);
  --bg-sink:   rgba(0, 0, 0, 0.45);

  /* Borders */
  --border:     rgba(255, 255, 255, 0.08);
  --border-hi:  rgba(255, 255, 255, 0.16);
  --border-top: rgba(255, 255, 255, 0.10);

  /* Text */
  --t1: #fff;
  --t2: rgba(255, 255, 255, 0.50);
  --t3: rgba(255, 255, 255, 0.28);

  /* Liquid palette */
  --cyan:   #22d3ee;
  --indigo: #818cf8;
  --violet: #a78bfa;
  --green:  #34d399;
  --amber:  #fbbf24;
  --danger: #f87171;

  /* Gradients */
  --grad:       linear-gradient(135deg, #22d3ee 0%, #818cf8 52%, #a78bfa 100%);
  --grad-text:  linear-gradient(128deg, #fff 0%, #93c5fd 28%, #22d3ee 55%, #a78bfa 100%);
  --grad-green: linear-gradient(135deg, #34d399, #2dd4bf);
  --grad-amber: linear-gradient(135deg, rgba(251,191,36,.08), rgba(34,211,238,.04));

  /* Input states */
  --ib:  rgba(255, 255, 255, 0.11);
  --ibh: rgba(255, 255, 255, 0.20);
  --ibf: rgba(34, 211, 238, 0.65);

  /* Hero input */
  --hib:  rgba(255, 255, 255, 0.13);
  --hibh: rgba(255, 255, 255, 0.22);
  --hibf: rgba(34, 211, 238, 0.70);

  /* Radii */
  --r:    20px;
  --r-sm: 14px;
  --r-xs:  9px;
  --pill: 9999px;

  /* Shadows */
  --sh-panel:  0 0 0 1px var(--border), inset 0 1px 0 var(--border-top), 0 32px 80px rgba(0,0,0,.35);
  --sh-btn:    0 4px 28px rgba(34,211,238,.26), inset 0 1px 0 rgba(255,255,255,.22);
  --sh-btn-h:  0 8px 40px rgba(34,211,238,.40), inset 0 1px 0 rgba(255,255,255,.28);
  --sh-dl:     0 4px 24px rgba(52,211,153,.25);
  --sh-focus:  0 0 0 3px rgba(34,211,238,.22);
  --sh-fb:     0 24px 64px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.10);

  /* Timing */
  --ease: 0.2s ease;
  --ease-sm: 0.14s ease;
  --ease-liquid: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

::selection { background: rgba(34,211,238,.25); color: #fff; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--t1);
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Scrollbars ─────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.14); border-radius: var(--pill); }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.26); }

/* ─── Focus ──────────────────────────────────────────────────────────────── */
:focus-visible { outline: none; box-shadow: var(--sh-focus); border-radius: var(--r-xs); }

/* ─── Utilities ──────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ─── Liquid background ──────────────────────────────────────────────────── */
.bg-liquid {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: var(--bg);
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}

.bg-orb--1 {
  width: 65vw;
  height: 65vw;
  top: -20vw;
  left: -12vw;
  background: radial-gradient(circle, rgba(34,211,238,.13) 0%, rgba(129,140,248,.08) 50%, transparent 75%);
  animation: orb-drift-1 18s ease-in-out infinite;
}

.bg-orb--2 {
  width: 55vw;
  height: 55vw;
  bottom: -18vw;
  right: -10vw;
  background: radial-gradient(circle, rgba(167,139,250,.12) 0%, rgba(34,211,238,.06) 50%, transparent 75%);
  animation: orb-drift-2 22s ease-in-out infinite;
}

.bg-orb--3 {
  width: 40vw;
  height: 40vw;
  top: 40%;
  left: 55%;
  background: radial-gradient(circle, rgba(129,140,248,.08) 0%, transparent 70%);
  animation: orb-drift-3 26s ease-in-out infinite;
}

@keyframes orb-drift-1 {
  0%,100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(4%,6%) scale(1.06); }
  66%      { transform: translate(-3%,-4%) scale(0.94); }
}
@keyframes orb-drift-2 {
  0%,100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(-5%,-4%) scale(1.04); }
  66%      { transform: translate(4%,6%) scale(0.96); }
}
@keyframes orb-drift-3 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(-6%,4%) scale(1.08); }
}

@media (prefers-reduced-motion: reduce) {
  .bg-orb { animation: none; }
}

/* ─── Layout ─────────────────────────────────────────────────────────────── */
.wrap {
  max-width: min(100%, 50rem);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 6rem;
}

/* ─── Header ─────────────────────────────────────────────────────────────── */
.app-header { margin-bottom: 2.75rem; }

.app-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.app-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(34,211,238,.10);
  border: 1px solid rgba(34,211,238,.25);
  padding: 0.24rem 0.6rem;
  border-radius: var(--pill);
  transition: background var(--ease), color var(--ease);
}

.app-badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 6px currentColor;
  flex-shrink: 0;
}

.app-badge--free {
  color: var(--t2);
  background: rgba(255,255,255,.05);
  border-color: var(--border);
}
.app-badge--free::before { box-shadow: none; }

.app-header h1 {
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--t1);
  margin-bottom: 1rem;
}

.h1-gradient {
  display: block;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--t2);
  max-width: 36rem;
  line-height: 1.6;
}

/* ─── Glass panels ───────────────────────────────────────────────────────── */
.panel {
  background: var(--surface);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--r);
  padding: 1.75rem;
  margin-bottom: 1rem;
  box-shadow: var(--sh-panel);
  position: relative;
}

.panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid var(--border);
  pointer-events: none;
}

.panel--activity { padding-top: 1.3rem; }
.panel--results  { padding-top: 1.4rem; }

.panel__head { margin-bottom: 1rem; }
.panel__head--row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

/* ─── Form ───────────────────────────────────────────────────────────────── */
.form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Hero URL input */
.hero-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-inline--url-row {
  align-items: flex-end;
}

.form-inline--url-row .hero-field {
  flex: 1;
  min-width: 0;
}

.hero-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--t2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-input {
  width: 100%;
  padding: 1rem 1.2rem;
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--t1);
  background: var(--bg-input);
  border: 1.5px solid var(--hib);
  border-radius: var(--r-sm);
  transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
  line-height: 1.4;
}

.hero-input::placeholder { color: var(--t3); }
.hero-input:hover { border-color: var(--hibh); background: rgba(255,255,255,.065); }
.hero-input:focus {
  outline: none;
  border-color: var(--hibf);
  box-shadow: var(--sh-focus);
  background: rgba(255,255,255,.065);
}

/* Inline row: max products + toggle */
.form-inline {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field--narrow { min-width: 7rem; max-width: 9rem; }

label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--t2);
  letter-spacing: 0.03em;
}

input[type="number"],
input[type="text"],
input[type="url"],
select,
textarea {
  width: 100%;
  padding: 0.62rem 0.85rem;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--t1);
  background: var(--bg-input);
  border: 1.5px solid var(--ib);
  border-radius: var(--r-xs);
  transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
  appearance: none;
}

input::placeholder, textarea::placeholder { color: var(--t3); }

input:hover, select:hover, textarea:hover {
  border-color: var(--ibh);
  background: rgba(255,255,255,.068);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--ibf);
  box-shadow: var(--sh-focus);
  background: rgba(255,255,255,.068);
}

select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='rgba(255,255,255,0.4)' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.8rem center;
  padding-right: 2.2rem;
}

.form-hint {
  font-size: 0.69rem;
  color: var(--t3);
  line-height: 1.45;
}

/* Model grid */
.form-grid--models {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-top: 0.65rem;
}

@media (max-width: 28rem) {
  .form-grid--models { grid-template-columns: 1fr; }
}

/* Form divider between model section and actions */
.form-actions { margin-top: 0.25rem; }

/* ─── Toggle switch ───────────────────────────────────────────────────────── */
.toggle-field { gap: 0.3rem; }

.toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
  user-select: none;
}

.toggle-switch {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
}

.toggle-switch input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
  z-index: 1;
  margin: 0;
}

.toggle-switch__track {
  display: flex;
  align-items: center;
  width: 2.25rem;
  height: 1.25rem;
  border-radius: var(--pill);
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.14);
  padding: 2px;
  transition: background var(--ease-liquid), border-color var(--ease-liquid);
}

.toggle-switch input:checked + .toggle-switch__track {
  background: rgba(34,211,238,.20);
  border-color: rgba(34,211,238,.50);
}

.toggle-switch__thumb {
  width: 0.88rem;
  height: 0.88rem;
  border-radius: 50%;
  background: var(--t3);
  transition: transform var(--ease-liquid), background var(--ease-liquid), box-shadow var(--ease-liquid);
  flex-shrink: 0;
}

.toggle-switch input:checked + .toggle-switch__track .toggle-switch__thumb {
  transform: translateX(1rem);
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(34,211,238,.55);
}

.toggle-switch input:focus-visible + .toggle-switch__track {
  box-shadow: var(--sh-focus);
}

.toggle-text {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--t1);
}

/* ─── Collapsible ────────────────────────────────────────────────────────── */
.details-hint {
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  overflow: hidden;
  background: rgba(255,255,255,.025);
}

.details-hint summary {
  cursor: pointer;
  padding: 0.48rem 0.8rem;
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--t2);
  list-style: none;
  user-select: none;
  transition: color var(--ease-sm), background var(--ease-sm);
}

.details-hint summary:hover { color: var(--t1); background: rgba(255,255,255,.04); }
.details-hint summary::-webkit-details-marker { display: none; }
.details-hint summary::after { content: " +"; opacity: 0.5; font-weight: 400; }
.details-hint[open] summary::after { content: " −"; }

.details-hint .form-hint {
  padding: 0.55rem 0.8rem 0.65rem;
  border-top: 1px solid var(--border);
}

.details-hint--inline { border: none; background: transparent; }
.details-hint--inline summary { padding: 0; font-size: 0.68rem; font-weight: 500; color: var(--t3); }
.details-hint--inline summary:hover { background: transparent; color: var(--t2); }
.details-hint--inline .form-hint { border: none; padding: 0.3rem 0 0; }

/* ─── Buttons ────────────────────────────────────────────────────────────── */
button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  transition: transform var(--ease-sm), box-shadow var(--ease), filter var(--ease), background var(--ease), opacity var(--ease);
}

button:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  transform: none !important;
  filter: none !important;
}

.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.9rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #020d14;
  background: var(--grad);
  border-radius: var(--r-sm);
  box-shadow: var(--sh-btn);
}

.btn-primary:hover:not(:disabled) {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: var(--sh-btn-h);
}

.btn-primary:active:not(:disabled) { transform: translateY(0); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.62rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--t2);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
}

.btn-secondary:hover:not(:disabled) {
  color: var(--t1);
  border-color: var(--border-hi);
  background: rgba(255,255,255,.09);
  transform: translateY(-1px);
}

.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  padding: 0.7rem 1.3rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: #000;
  background: var(--grad-green);
  border-radius: var(--r-xs);
  box-shadow: var(--sh-dl);
}

.btn-download:hover:not(:disabled) {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  padding: 0.26rem 0.65rem;
  font-size: 0.7rem;
  font-weight: 600;
  font-family: var(--font);
  color: var(--t3);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  cursor: pointer;
  transition: color var(--ease-sm), background var(--ease-sm), border-color var(--ease-sm);
}

.btn-copy:hover {
  color: var(--t2);
  border-color: var(--border-hi);
  background: rgba(255,255,255,.05);
}

.btn-copy.copied {
  color: var(--green);
  border-color: rgba(52,211,153,.35);
  background: rgba(52,211,153,.07);
}

/* ─── Status ─────────────────────────────────────────────────────────────── */
.status {
  margin-top: 0.5rem;
  font-size: 0.84rem;
  color: var(--t2);
  white-space: pre-wrap;
  padding: 0.55rem 0.85rem;
  border-radius: var(--r-xs);
  border: 1px solid transparent;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.status:not(:empty) {
  background: rgba(255,255,255,.04);
  border-color: var(--border);
}

.error, .status.error {
  color: var(--danger);
  border-color: rgba(248,113,113,.28);
  background: rgba(248,113,113,.05);
}

/* ─── Estimate panel ─────────────────────────────────────────────────────── */
.panel--estimate {
  background: var(--grad-amber);
  border-color: rgba(251,191,36,.25);
}
.panel--estimate.hidden { display: none !important; }

.estimate-msg {
  font-size: 0.95rem;
  color: var(--t1);
  line-height: 1.6;
  margin-bottom: 1.15rem;
}

.estimate-cost {
  font-weight: 700;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

.estimate-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.estimate-actions .btn-primary { margin: 0; flex: 1; }
.estimate-actions .btn-secondary { flex: 1; }

/* ─── Loader ─────────────────────────────────────────────────────────────── */
.feed-loader {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-bottom: 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: var(--r-xs);
  border: 1px solid rgba(34,211,238,.22);
  background: linear-gradient(135deg, rgba(34,211,238,.06), rgba(129,140,248,.04));
}

.feed-loader__visual {
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
}

.feed-loader__orbit {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid transparent;
  border-top-color: var(--cyan);
  border-right-color: var(--violet);
  animation: spin 1.1s linear infinite;
}

.feed-loader__core {
  position: absolute;
  inset: 24%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--cyan), var(--indigo), transparent);
  opacity: 0.8;
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes spin  { to { transform: rotate(360deg); } }
@keyframes pulse {
  0%,100% { transform: scale(0.88); opacity: 0.6; }
  50%      { transform: scale(1);   opacity: 0.95; }
}

.feed-loader__copy { flex: 1; min-width: 0; }

.feed-loader__title {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--t1);
  margin-bottom: 0.25rem;
}

.feed-loader__text {
  font-size: 0.77rem;
  color: var(--t2);
  line-height: 1.45;
  margin-bottom: 0.65rem;
}

.feed-loader__bar {
  height: 2px;
  border-radius: var(--pill);
  background: rgba(255,255,255,.08);
  overflow: hidden;
  max-width: 11rem;
}

.feed-loader__bar-fill {
  display: block;
  height: 100%;
  width: 40%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}

@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(280%); }
}

@media (prefers-reduced-motion: reduce) {
  .feed-loader__orbit   { animation: none; border-color: rgba(34,211,238,.4); }
  .feed-loader__core    { animation: none; }
  .feed-loader__bar-fill { animation: none; width: 100%; }
}

/* ─── Section headings ───────────────────────────────────────────────────── */
.activity-h, .chat-h {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--t3);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.activity-h::before, .chat-h::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 6px var(--violet);
  flex-shrink: 0;
}

.result-h {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--t2);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.result-h::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
  flex-shrink: 0;
}

/* ─── Activity log ───────────────────────────────────────────────────────── */
.activity {
  margin: 0;
  padding: 0.85rem 1rem;
  max-height: 18rem;
  overflow: auto;
  background: var(--bg-sink);
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  font-size: 0.74rem;
  line-height: 1.6;
  color: var(--t2);
  font-family: var(--font-mono);
  white-space: pre-wrap;
  word-break: break-word;
}

.activity .line-ai   { color: var(--cyan);  font-weight: 500; }
.activity .line-warn { color: var(--amber); }
.activity .line-ok   { color: var(--green); }

/* ─── Result table ───────────────────────────────────────────────────────── */
.result-hint, .chat-hint {
  font-size: 0.8rem;
  color: var(--t3);
  margin-bottom: 0.9rem;
  line-height: 1.5;
}

.result-preview-note {
  font-size: 0.76rem;
  color: var(--amber);
  margin-bottom: 0.9rem;
  padding: 0.55rem 0.8rem;
  border-radius: var(--r-xs);
  border: 1px solid rgba(251,191,36,.25);
  background: rgba(251,191,36,.05);
}

.table-scroll {
  overflow: auto;
  max-width: 100%;
  max-height: min(58vh, 32rem);
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  background: var(--bg-sink);
}

.result-table {
  border-collapse: collapse;
  font-size: 0.7rem;
  width: max-content;
  min-width: 100%;
}

.result-table th,
.result-table td {
  border: 1px solid rgba(255,255,255,.05);
  padding: 0;
  vertical-align: top;
}

.result-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: rgba(34,211,238,.08);
  color: var(--cyan);
  font-weight: 600;
  text-align: left;
  padding: 0.46rem 0.55rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 9rem;
  font-family: var(--font);
  font-size: 0.63rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  border-bottom: 1px solid rgba(34,211,238,.18);
}

.result-table tbody tr:hover td { background: rgba(255,255,255,.025); }

.result-table textarea.cell-input {
  display: block;
  width: 100%;
  min-width: 6.5rem;
  max-width: 13rem;
  min-height: 2.1rem;
  padding: 0.4rem 0.5rem;
  border: 1px solid transparent;
  border-radius: 5px;
  resize: vertical;
  background: transparent;
  color: var(--t1);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.38;
  transition: border-color var(--ease), background var(--ease);
}

.result-table textarea.cell-input:hover { border-color: var(--ib); background: rgba(255,255,255,.04); }
.result-table textarea.cell-input:focus {
  outline: none;
  border-color: var(--ibf);
  background: rgba(255,255,255,.06);
  box-shadow: 0 0 0 2px rgba(34,211,238,.15);
}

/* ─── Result actions ─────────────────────────────────────────────────────── */
.result-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 1.15rem;
}

/* ─── Cost breakdown ─────────────────────────────────────────────────────── */
.cost-breakdown {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-radius: var(--r-xs);
  border: 1px solid rgba(129,140,248,.25);
  background: rgba(129,140,248,.06);
  font-size: 0.78rem;
  color: var(--t2);
}

.cost-breakdown-h {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--t3);
  margin-bottom: 0.4rem;
}

.cost-total-hero {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.4rem;
  margin-bottom: 0.4rem;
  font-size: 0.88rem;
  color: var(--t1);
}

.cost-total-fig {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--green);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.cost-total-suffix {
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--cyan);
  opacity: 0.8;
}

.cost-breakdown-note { font-size: 0.73rem; color: var(--t3); margin-bottom: 0.45rem; line-height: 1.45; }
.cost-breakdown-note--fine { font-size: 0.68rem; margin-top: 0.28rem; color: var(--t3); }
.cost-totals { font-size: 0.78rem; color: var(--t1); margin-bottom: 0.5rem; }
.cost-totals--meta { font-size: 0.7rem; color: var(--t3); margin-bottom: 0.5rem; }

.cost-per-step { margin-top: 0.5rem; }
.cost-per-step-sum { cursor: pointer; font-size: 0.73rem; font-weight: 600; color: var(--cyan); list-style: none; }
.cost-per-step-sum::-webkit-details-marker { display: none; }
.cost-per-step[open] .cost-per-step-sum { margin-bottom: 0.4rem; }

.cost-table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  background: var(--bg-sink);
}

.cost-table {
  border-collapse: collapse;
  font-size: 0.67rem;
  width: 100%;
  font-family: var(--font-mono);
}

.cost-table th, .cost-table td {
  border: 1px solid rgba(255,255,255,.05);
  padding: 0.36rem 0.5rem;
  text-align: left;
}

.cost-table th {
  background: rgba(34,211,238,.07);
  color: var(--cyan);
  font-weight: 600;
  white-space: nowrap;
  font-family: var(--font);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cost-num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.cost-usd { color: var(--green); font-weight: 600; }

/* ─── Chat ───────────────────────────────────────────────────────────────── */
.chat-wrap {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.chat-model-row { margin-bottom: 0.65rem; }
.chat-model-row label { display: block; margin-bottom: 0.28rem; }
.chat-model-row select { max-width: min(100%, 28rem); }
.chat-model-hint { max-width: 36rem; }

.chat-messages {
  max-height: 14rem;
  overflow: auto;
  margin-bottom: 0.75rem;
  padding: 0.65rem;
  background: var(--bg-sink);
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  font-size: 0.82rem;
}

.chat-msg {
  margin-bottom: 0.75rem;
  padding: 0.55rem 0.7rem;
  border-radius: var(--r-xs);
  border: 1px solid transparent;
}
.chat-msg:last-child { margin-bottom: 0; }

.chat-msg--user {
  background: rgba(52,211,153,.06);
  border-color: rgba(52,211,153,.15);
  margin-left: 1.25rem;
}
.chat-msg--assistant {
  background: rgba(34,211,238,.04);
  border-color: rgba(34,211,238,.14);
  margin-right: 1.25rem;
}

.chat-msg-label {
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: 0.28rem;
}
.chat-msg--user      .chat-msg-label { color: var(--green); }
.chat-msg--assistant .chat-msg-label { color: var(--cyan); }

.chat-msg-body { white-space: pre-wrap; word-break: break-word; color: var(--t1); line-height: 1.5; }

.chat-input-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (min-width: 30rem) {
  .chat-input-row { flex-direction: row; align-items: flex-end; }
  .btn-secondary#btn-chat-send { flex-shrink: 0; }
}

.chat-input {
  flex: 1;
  width: 100%;
  min-height: 3.75rem;
  resize: vertical;
  font-family: var(--font);
  font-size: 0.88rem;
}

.chat-kbd {
  font-size: 0.58rem;
  font-family: var(--font-mono);
  color: rgba(255,255,255,.3);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 4px;
  padding: 0.04rem 0.26rem;
  letter-spacing: 0;
  font-weight: 500;
  line-height: 1.6;
  vertical-align: middle;
}

/* ─── Model section hidden ───────────────────────────────────────────────── */
#model-section.hidden { display: none !important; }

/* ─── Busy state ─────────────────────────────────────────────────────────── */
body.is-busy .btn-primary:not(:disabled) { opacity: 0.88; }

/* ─── Feedback dock ──────────────────────────────────────────────────────── */
.feedback-dock {
  position: fixed;
  z-index: 9999;
  bottom: max(1rem, env(safe-area-inset-bottom, 0px));
  right: max(1rem, env(safe-area-inset-right, 0px));
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
  max-width: min(20rem, calc(100vw - 1.5rem));
  pointer-events: none;
}
.feedback-dock > * { pointer-events: auto; }

.feedback-panel[hidden] { display: none !important; }

.feedback-panel {
  position: relative;
  width: 100%;
  max-height: min(70vh, 26rem);
  overflow: auto;
  padding: 0.9rem 1rem 1rem;
  border-radius: var(--r);
  background: rgba(10,10,14,0.92);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  box-shadow: var(--sh-fb);
  border: 1px solid var(--border);
}

.feedback-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.feedback-changelog-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.feedback-pill {
  font-size: 0.54rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #000;
  background: var(--grad);
  padding: 0.14rem 0.4rem;
  border-radius: 4px;
}

.feedback-version {
  font-size: 0.62rem;
  color: var(--t3);
  font-family: var(--font-mono);
}

.feedback-close {
  width: 1.7rem;
  height: 1.7rem;
  line-height: 1;
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  background: var(--surface);
  color: var(--t2);
  font-size: 1.15rem;
  cursor: pointer;
  padding: 0;
  transition: background var(--ease-sm), color var(--ease-sm);
}
.feedback-close:hover { background: var(--surface-2); color: var(--t1); }

.feedback-title { font-size: 0.92rem; font-weight: 700; color: var(--t1); margin-bottom: 0.25rem; }
.feedback-lead  { font-size: 0.73rem; color: var(--t2); line-height: 1.4; margin-bottom: 0.65rem; }

.feedback-form { display: flex; flex-direction: column; gap: 0.4rem; }
.feedback-form label { font-size: 0.7rem; margin-top: 0.1rem; }
.feedback-form input, .feedback-form textarea { font-size: 0.8rem; padding: 0.46rem 0.6rem; }

.label-opt { font-weight: 400; color: var(--t3); }

.btn-feedback {
  align-self: stretch;
  margin-top: 0.28rem !important;
  padding: 0.55rem 0.85rem !important;
  font-size: 0.84rem !important;
  font-weight: 600 !important;
  color: #000 !important;
  background: var(--grad-green) !important;
  border-radius: var(--r-xs);
  box-shadow: var(--sh-dl);
}
.btn-feedback:hover { filter: brightness(1.07); }

.fb-status { font-size: 0.7rem; min-height: 1em; margin-top: 0.2rem; color: var(--t3); }
.fb-status--ok   { color: var(--green); }
.fb-status--warn { color: var(--amber); }
.fb-status--err  { color: var(--danger); }

.feedback-fab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.3rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--pill);
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--t2);
  background: rgba(0,0,0,.80);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0,0,0,.40);
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}
.feedback-fab:hover { color: var(--t1); border-color: var(--border-hi); background: rgba(255,255,255,.06); }
.feedback-fab[aria-expanded="true"] { color: var(--violet); border-color: rgba(167,139,250,.4); background: rgba(167,139,250,.10); }
.feedback-fab-text { line-height: 1.2; }

/* ─── Panel entrance ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .panel {
    animation: rise 0.36s cubic-bezier(0.16,1,0.3,1) both;
  }
  @keyframes rise {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}