/* ==========================================================================
   Sprig Labs AI Assistant — Widget Styles
   Brand: soft sage greens, plant motif, warm oranges, rounded organic shapes.
   All styles scoped under .sprig-ai to avoid collisions with the host page.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;0,9..144,700;1,9..144,400&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

.sprig-ai {
  /* Brand tokens */
  --sa-sage-50:  #F2F7EE;
  --sa-sage-100: #E3EFD9;
  --sa-sage-200: #C8DFB8;
  --sa-sage-300: #A5CE90;
  --sa-sage-400: #7DBB6A;
  --sa-sage-500: #5FA34E;
  --sa-sage-600: #47843B;
  --sa-sage-700: #36672C;
  --sa-sage-800: #28491F;

  --sa-bark-700: #3A4A32;
  --sa-bark-900: #1F2A1B;

  --sa-bloom-400: #F2B865;
  --sa-bloom-500: #E89B3C;
  --sa-bloom-600: #C97D23;

  --sa-soil-500: #A56B44;

  --sa-alert-500: #C94A38;

  --sa-paper: #FAFBF6;
  --sa-ink:   #1F2A1B;
  --sa-muted: #5C6B54;

  --sa-radius-sm: 8px;
  --sa-radius: 14px;
  --sa-radius-lg: 22px;

  --sa-shadow-sm: 0 1px 2px rgba(40, 73, 31, 0.08);
  --sa-shadow: 0 6px 20px -8px rgba(40, 73, 31, 0.22), 0 2px 6px rgba(40, 73, 31, 0.06);
  --sa-shadow-lg: 0 20px 50px -20px rgba(40, 73, 31, 0.35), 0 8px 16px -8px rgba(40, 73, 31, 0.12);

  --sa-font-display: 'Fraunces', ui-serif, Georgia, serif;
  --sa-font-body: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --sa-font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  font-family: var(--sa-font-body);
  color: var(--sa-ink);
  font-size: 15px;
  line-height: 1.55;
  max-width: 880px;
  margin: 0 auto;
  box-sizing: border-box;
}

.sprig-ai *,
.sprig-ai *::before,
.sprig-ai *::after {
  box-sizing: border-box;
}

/* ---------- Header ---------- */

.sprig-ai__header {
  position: relative;
  padding: 32px 28px 28px;
  background:
    radial-gradient(ellipse at top right, var(--sa-sage-200) 0%, transparent 55%),
    radial-gradient(ellipse at bottom left, var(--sa-bloom-400) 0%, transparent 45%),
    var(--sa-sage-50);
  border-radius: var(--sa-radius-lg) var(--sa-radius-lg) 0 0;
  overflow: hidden;
  border: 1px solid var(--sa-sage-200);
  border-bottom: none;
}

.sprig-ai__sprig {
  position: absolute;
  top: -12px;
  right: -16px;
  width: 140px;
  height: 140px;
  opacity: 0.25;
  pointer-events: none;
}

.sprig-ai__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sa-sage-700);
  font-weight: 600;
  margin-bottom: 10px;
}

.sprig-ai__eyebrow::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--sa-sage-500);
  border-radius: 50%;
}

.sprig-ai__title {
  font-family: var(--sa-font-display);
  font-size: 32px;
  font-weight: 600;
  line-height: 1.1;
  font-variation-settings: "SOFT" 100, "WONK" 1;
  margin: 0 0 6px;
  color: var(--sa-bark-900);
  letter-spacing: -0.02em;
}

.sprig-ai__title em {
  font-style: italic;
  color: var(--sa-sage-600);
  font-variation-settings: "SOFT" 100, "WONK" 1;
}

.sprig-ai__subtitle {
  margin: 0;
  max-width: 56ch;
  color: var(--sa-muted);
  font-size: 14px;
}

/* ---------- Body ---------- */

.sprig-ai__body {
  background: var(--sa-paper);
  padding: 24px 28px 28px;
  border: 1px solid var(--sa-sage-200);
  border-top: none;
  border-radius: 0 0 var(--sa-radius-lg) var(--sa-radius-lg);
}

/* ---------- Form ---------- */

.sprig-ai__form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sprig-ai__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--sa-bark-700);
  display: block;
  margin-bottom: 6px;
}

.sprig-ai__textarea {
  font-family: inherit;
  font-size: 15px;
  width: 100%;
  min-height: 120px;
  padding: 14px 16px;
  border-radius: var(--sa-radius);
  border: 1.5px solid var(--sa-sage-200);
  background: #fff;
  color: var(--sa-ink);
  resize: vertical;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.sprig-ai__textarea:focus {
  outline: none;
  border-color: var(--sa-sage-500);
  box-shadow: 0 0 0 4px rgba(95, 163, 78, 0.15);
}

.sprig-ai__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.sprig-ai__flavor {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: var(--sa-sage-50);
  border: 1px solid var(--sa-sage-200);
  border-radius: var(--sa-radius);
}

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

.sprig-ai__flavor label {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--sa-muted);
  border-radius: calc(var(--sa-radius) - 4px);
  cursor: pointer;
  transition: background 150ms ease, color 150ms ease;
  user-select: none;
}

.sprig-ai__flavor input:checked + label {
  background: var(--sa-sage-600);
  color: #fff;
  box-shadow: var(--sa-shadow-sm);
}

.sprig-ai__flavor label:hover {
  color: var(--sa-bark-700);
}

.sprig-ai__flavor input:checked + label:hover {
  color: #fff;
}

.sprig-ai__submit {
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 24px;
  background: var(--sa-sage-600);
  color: #fff;
  border: none;
  border-radius: var(--sa-radius);
  cursor: pointer;
  transition: background 150ms ease, transform 100ms ease, box-shadow 150ms ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--sa-shadow-sm);
}

.sprig-ai__submit:hover:not(:disabled) {
  background: var(--sa-sage-700);
  box-shadow: var(--sa-shadow);
  transform: translateY(-1px);
}

.sprig-ai__submit:active:not(:disabled) {
  transform: translateY(0);
}

.sprig-ai__submit:disabled {
  background: var(--sa-sage-300);
  cursor: not-allowed;
}

.sprig-ai__submit svg {
  width: 16px;
  height: 16px;
}

/* ---------- States ---------- */

.sprig-ai__state {
  margin-top: 20px;
}

.sprig-ai__loading {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: var(--sa-sage-50);
  border: 1px dashed var(--sa-sage-300);
  border-radius: var(--sa-radius);
  color: var(--sa-sage-700);
  font-size: 14px;
}

.sprig-ai__loading-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--sa-sage-500);
  animation: sa-pulse 1.2s ease-in-out infinite;
}

.sprig-ai__loading-dot:nth-child(2) { animation-delay: 0.15s; }
.sprig-ai__loading-dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes sa-pulse {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

.sprig-ai__error {
  padding: 14px 16px;
  background: #FDEDEA;
  border: 1px solid #F4C2BA;
  border-radius: var(--sa-radius);
  color: var(--sa-alert-500);
  font-size: 14px;
}

/* ---------- Result ---------- */

.sprig-ai__result {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  animation: sa-reveal 400ms cubic-bezier(0.2, 0.9, 0.3, 1);
}

@keyframes sa-reveal {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sprig-ai__result-header {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--sa-sage-200);
}

.sprig-ai__result-title {
  font-family: var(--sa-font-display);
  font-weight: 600;
  font-size: 26px;
  line-height: 1.15;
  font-variation-settings: "SOFT" 100;
  margin: 0 0 8px;
  color: var(--sa-bark-900);
  letter-spacing: -0.015em;
}

.sprig-ai__result-summary {
  margin: 0;
  color: var(--sa-muted);
  font-size: 15px;
  max-width: 60ch;
}

.sprig-ai__section h3 {
  font-family: var(--sa-font-display);
  font-weight: 600;
  font-size: 18px;
  font-variation-settings: "SOFT" 60;
  color: var(--sa-sage-700);
  margin: 0 0 12px;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}

.sprig-ai__section h3::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 2px;
  background: var(--sa-sage-500);
  border-radius: 2px;
  transform: translateY(-3px);
}

/* BOM */
.sprig-ai__bom {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
  overflow: hidden;
  border-radius: var(--sa-radius);
  border: 1px solid var(--sa-sage-200);
  background: #fff;
}

.sprig-ai__bom thead {
  background: var(--sa-sage-50);
}

.sprig-ai__bom th {
  text-align: left;
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--sa-sage-700);
  border-bottom: 1px solid var(--sa-sage-200);
}

.sprig-ai__bom td {
  padding: 12px;
  border-bottom: 1px solid var(--sa-sage-100);
  vertical-align: top;
}

.sprig-ai__bom tr:last-child td {
  border-bottom: none;
}

.sprig-ai__bom td.qty { width: 40px; font-weight: 600; color: var(--sa-sage-700); }
.sprig-ai__bom td.price { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.sprig-ai__bom a { color: var(--sa-sage-700); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--sa-sage-300); }
.sprig-ai__bom a:hover { text-decoration-color: var(--sa-sage-600); }

.sprig-ai__bom .source-sprig {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  background: var(--sa-sage-100);
  color: var(--sa-sage-700);
  border-radius: 999px;
  letter-spacing: 0.03em;
}

/* Wiring steps */
.sprig-ai__wiring {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: sa-step;
}

.sprig-ai__wiring li {
  counter-increment: sa-step;
  padding: 10px 14px 10px 44px;
  margin-bottom: 6px;
  background: var(--sa-sage-50);
  border-left: 3px solid var(--sa-sage-400);
  border-radius: var(--sa-radius-sm);
  position: relative;
  font-size: 14px;
}

.sprig-ai__wiring li::before {
  content: counter(sa-step);
  position: absolute;
  left: 12px;
  top: 10px;
  width: 22px;
  height: 22px;
  background: var(--sa-sage-600);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
}

/* Code */
.sprig-ai__code-wrap {
  position: relative;
  border-radius: var(--sa-radius);
  overflow: hidden;
  background: var(--sa-bark-900);
  border: 1px solid var(--sa-sage-800);
}

.sprig-ai__code-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sprig-ai__code-filename {
  font-family: var(--sa-font-mono);
  font-size: 12px;
  color: var(--sa-sage-200);
}

.sprig-ai__copy-btn {
  background: rgba(255,255,255,0.08);
  color: var(--sa-sage-100);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  transition: background 150ms ease;
}

.sprig-ai__copy-btn:hover {
  background: rgba(255,255,255,0.14);
}

.sprig-ai__code-wrap pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  font-family: var(--sa-font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: #E8EFE2;
}

/* Notes */
.sprig-ai__notes {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sprig-ai__notes li {
  padding: 10px 14px 10px 38px;
  margin-bottom: 6px;
  background: #FFF8EC;
  border-left: 3px solid var(--sa-bloom-500);
  border-radius: var(--sa-radius-sm);
  font-size: 14px;
  color: var(--sa-bark-700);
  position: relative;
}

.sprig-ai__notes li::before {
  content: '!';
  position: absolute;
  left: 14px;
  top: 9px;
  width: 18px;
  height: 18px;
  background: var(--sa-bloom-500);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}

/* Power budget */
.sprig-ai__power {
  padding: 14px 16px;
  background: var(--sa-sage-50);
  border-radius: var(--sa-radius);
  font-size: 14px;
  color: var(--sa-bark-700);
  white-space: pre-wrap;
}

/* Disclaimer */
.sprig-ai__disclaimer {
  padding: 14px 16px;
  background: #F9E9E4;
  border: 1px solid #EBC8BC;
  border-radius: var(--sa-radius);
  font-size: 13px;
  color: #8B3A27;
  line-height: 1.5;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.sprig-ai__disclaimer::before {
  content: '⚠';
  font-size: 16px;
  flex-shrink: 0;
}

.sprig-ai__meta {
  font-size: 12px;
  color: var(--sa-muted);
  text-align: right;
  margin-top: 4px;
}

/* Mobile */
@media (max-width: 640px) {
  .sprig-ai__header { padding: 24px 20px 22px; }
  .sprig-ai__body { padding: 20px; }
  .sprig-ai__title { font-size: 26px; }
  .sprig-ai__result-title { font-size: 22px; }
  .sprig-ai__row { flex-direction: column; align-items: stretch; }
  .sprig-ai__flavor { overflow-x: auto; }
  .sprig-ai__bom { font-size: 13px; }
  .sprig-ai__bom th, .sprig-ai__bom td { padding: 8px; }
}