/* ══════════════════════════════════════════════════════════════════
   COBRA LAB — lab.css
   @import parent design system, then extend with COBRA LAB cyan tokens
   ══════════════════════════════════════════════════════════════════ */

@import '/cobra.css';

:root {
  --lab:      var(--lab-accent);
  --lab-l:    #D7F7FA;
  --lab-dark: #3AAAB5;
}

/* ══ Nav ══ */
.lab-nav {
  position: sticky;
  top: 0; z-index: 100;
  background: rgba(8,8,8,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: 60px;
}
.lab-nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 24px;
}
.lab-nav-logo { flex-shrink: 0; display: flex; align-items: center; text-decoration: none; }
.lab-nav-badge {
  font-family: 'DM Mono', monospace;
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--lab);
  background: rgba(79,196,207,0.12);
  border: 1px solid rgba(79,196,207,0.3);
  border-radius: 4px;
  padding: 3px 8px;
}
.lab-nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.lab-user-email {
  font-size: 13px;
  color: var(--muted);
  display: none;
}
@media (min-width: 600px) { .lab-user-email { display: block; } }
.lab-logout {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}
.lab-logout:hover { color: var(--sable); }

/* Lang switch */
.lab-lang-switch { display: flex; align-items: center; gap: 6px; }
.lab-lang-btn {
  font-family: 'DM Mono', monospace;
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--muted);
  background: none; border: none; cursor: pointer;
  transition: color 0.15s;
  padding: 2px 0;
}
.lab-lang-btn.active,
.lab-lang-btn:hover { color: var(--sable); }
.lab-lang-sep { font-size: 11px; color: var(--border); }

/* ══ Page ══ */
.lab-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* ══ Header ══ */
.lab-header {
  text-align: center;
  padding: 48px 0 40px;
}
.lab-header-badge {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--lab);
  background: rgba(79,196,207,0.1);
  border: 1px solid rgba(79,196,207,0.28);
  border-radius: 6px;
  padding: 4px 12px;
  margin-bottom: 16px;
}
.lab-title {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 900;
  color: var(--sable);
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
.lab-subtitle {
  font-size: 16px;
  color: var(--muted);
  margin: 0 0 24px;
}

/* Usage bar */
.lab-usage-bar {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 12px;
  color: var(--muted);
}
.lab-usage-dots { display: flex; gap: 6px; align-items: center; }
.usage-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  transition: background 0.2s;
}
.usage-dot.used { background: var(--lab); border-color: var(--lab); }

/* ══ Tabs ══ */
.lab-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
  overflow-x: auto;
  scrollbar-width: none;
}
.lab-tabs::-webkit-scrollbar { display: none; }
.lab-tab {
  flex-shrink: 0;
  padding: 12px 24px;
  font-family: 'DM Mono', monospace;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--muted);
  background: none; border: none; cursor: pointer;
  transition: color 0.15s;
  position: relative;
  white-space: nowrap;
}
.lab-tab::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 2px;
  background: var(--lab);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}
.lab-tab.active { color: var(--sable); }
.lab-tab.active::after { transform: scaleX(1); }
.lab-tab:hover:not(.active) { color: rgba(240,235,227,0.6); }

/* ══ Form cards ══ */
.lab-form { display: flex; flex-direction: column; gap: 16px; }

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  overflow: hidden;
}
.form-card-step {
  width: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 22px;
  font-family: 'DM Mono', monospace;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--lab);
  background: rgba(79,196,207,0.06);
  border-right: 1px solid rgba(79,196,207,0.15);
}
.form-card-content { flex: 1; padding: 20px 24px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group + .form-group { margin-top: 16px; }

.form-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
}

.form-input,
.form-textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: var(--sable);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  padding: 10px 14px;
  transition: border-color 0.15s, background 0.15s;
  width: 100%;
  box-sizing: border-box;
}
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: rgba(79,196,207,0.5);
  background: rgba(79,196,207,0.05);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--muted); opacity: 0.7; }
.form-input.error { border-color: rgba(220,50,50,0.6); }
.form-textarea { resize: vertical; min-height: 90px; }
.form-input[type="date"] { color-scheme: dark; }

/* Select */
.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-color: rgba(255,255,255,0.04);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239A948E' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: var(--sable);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  padding: 10px 36px 10px 14px;
  cursor: pointer;
  transition: border-color 0.15s;
  width: 100%;
  box-sizing: border-box;
}
.form-select:focus { outline: none; border-color: rgba(79,196,207,0.5); }
.form-select option { background: #161616; color: var(--sable); }

/* Radio group */
.form-radio-group { display: flex; gap: 10px; flex-wrap: wrap; }
.radio-option {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 9px 14px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  transition: border-color 0.15s, background 0.15s;
}
.radio-option:has(input:checked) {
  border-color: rgba(79,196,207,0.5);
  background: rgba(79,196,207,0.1);
}
.radio-option input[type="radio"] { accent-color: var(--lab); width: 15px; height: 15px; }
.radio-label { font-size: 13px; color: var(--sable); }

/* Rating sliders grid */
.rating-sliders {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 24px;
  margin-top: 8px;
}
@media (max-width: 500px) { .rating-sliders { grid-template-columns: 1fr; } }

.slider-group { display: flex; flex-direction: column; gap: 8px; }
.slider-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.slider-row { display: flex; align-items: center; gap: 12px; }

.rating-slider {
  flex: 1;
  appearance: none;
  -webkit-appearance: none;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.1);
  cursor: pointer;
}
.rating-slider::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--lab);
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(79,196,207,0.2);
}
.rating-slider::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--lab);
  cursor: pointer;
  border: none;
}
.slider-val {
  font-family: 'DM Mono', monospace;
  font-size: 14px; font-weight: 600;
  color: var(--lab);
  min-width: 18px;
  text-align: center;
}

/* Full-width slider for days/week */
.slider-full { display: flex; flex-direction: column; gap: 8px; }
.slider-full .rating-slider { width: 100%; }

/* Generate button */
.generate-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--lab);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px; font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, opacity 0.15s;
  margin-top: 8px;
}
.generate-btn:hover { background: var(--lab-dark); }
.generate-btn:active { transform: scale(0.98); }
.generate-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.generate-btn-icon { font-size: 16px; }

/* ══ Result panel ══ */
.lab-result {
  margin-top: 32px;
  background: var(--card);
  border: 1px solid rgba(79,196,207,0.22);
  border-radius: 12px;
  overflow: hidden;
  animation: labFadeUp 0.4s ease;
}
@keyframes labFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: rgba(79,196,207,0.08);
  border-bottom: 1px solid rgba(79,196,207,0.15);
}
.result-title {
  font-size: 13px; font-weight: 600;
  font-family: 'DM Mono', monospace;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--lab-l);
  margin: 0;
}
.result-actions { display: flex; gap: 8px; }
.result-btn {
  padding: 6px 14px;
  font-family: 'DM Mono', monospace;
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.result-btn:hover {
  color: var(--sable);
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
}
.result-body {
  padding: 28px;
  color: var(--sable);
  line-height: 1.7;
}
/* Claude HTML output styling */
.result-body h3 {
  font-size: 12px;
  font-family: 'DM Mono', monospace;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lab-l);
  margin: 28px 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(79,196,207,0.18);
}
.result-body h3:first-child { margin-top: 0; }
.result-body p { margin: 0 0 12px; color: rgba(240,235,227,0.85); font-size: 14px; }
.result-body ul,
.result-body ol { margin: 0 0 14px; padding-left: 20px; }
.result-body li { color: rgba(240,235,227,0.85); font-size: 14px; margin-bottom: 5px; }
.result-body strong { color: var(--sable); }
.result-body em { color: var(--muted); font-style: italic; }

/* ══ Upgrade CTA ══ */
.upgrade-cta { margin-top: 32px; animation: labFadeUp 0.4s ease; }
.upgrade-cta-inner {
  background: rgba(79,196,207,0.07);
  border: 1px solid rgba(79,196,207,0.22);
  border-radius: 12px;
  padding: 40px 32px;
  text-align: center;
}
.upgrade-icon { font-size: 36px; margin-bottom: 16px; }
.upgrade-cta-inner h3 {
  font-size: 18px; font-weight: 700;
  color: var(--sable);
  margin: 0 0 10px;
}
.upgrade-cta-inner p {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 24px;
  max-width: 420px;
  margin-left: auto; margin-right: auto;
}
.upgrade-btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--lab);
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: background 0.15s;
}
.upgrade-btn:hover { background: var(--lab-dark); }

/* ══ Print ══ */
@media print {
  .lab-nav,
  .lab-header,
  .lab-tabs,
  .lab-form,
  .generate-btn,
  .result-actions,
  .upgrade-cta { display: none !important; }
  .lab-page { padding: 0; max-width: 100%; }
  .lab-result { border: none !important; margin: 0; box-shadow: none; }
  .result-header { background: transparent !important; border-bottom-color: #ccc !important; }
  .result-title { color: #000 !important; }
  .result-body h3 { color: #000 !important; border-bottom-color: #ccc !important; }
  .result-body p,
  .result-body li { color: #333 !important; }
}

/* Shared Cobra app chrome overrides */
body.cobra-app-shell--lab {
  background:
    radial-gradient(circle at 20% 0%, rgba(79,196,207,0.14), transparent 40%),
    var(--lab-bg);
}