/* Erthiox AI Lab – Ghost UI V2 dark theme */

:root {
  --al-bg: #111622;
  --al-surface: #171d2e;
  --al-surface-2: #1e2539;
  --al-border: rgba(197, 168, 128, 0.16);
  --al-border-strong: rgba(197, 168, 128, 0.32);
  --al-gold: #c5a880;
  --al-gold-dim: rgba(197, 168, 128, 0.12);
  --al-text: #eef1f7;
  --al-muted: #9aa3b8;
  --al-teal: #2dd4bf;
  --al-danger: #ea6a6a;
  --al-radius: 14px;
}

/* AI Lab is a dark workspace – enforce dark page background */
body {
  background: #111622;
  color: #eef1f7;
}

/* ---------- Layout ---------- */
.ailab-main {
  margin-top: var(--header-height, 64px);
  background: var(--al-bg);
  color: var(--al-text);
  min-height: calc(100dvh - 64px);
  padding-bottom: 48px;
}
.ailab-lock {
  position: fixed; inset: 0; z-index: 400;
  background: rgba(10, 13, 22, 0.82);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.ailab-lock.hidden { display: none; }
.ailab-lock-card {
  background: var(--al-surface);
  border: 1px solid var(--al-border-strong);
  border-radius: var(--al-radius);
  padding: 36px 32px; max-width: 380px; text-align: center;
}
.ailab-lock-card .material-symbols-outlined { font-size: 44px; color: var(--al-gold); }
.ailab-lock-card h2 { margin: 12px 0 8px; font-size: 1.4rem; }
.ailab-lock-card p { color: var(--al-muted); margin: 0 0 20px; }

/* ---------- Hero ---------- */
.ailab-hero { padding: 44px 24px 8px; }
.ailab-hero-inner { max-width: 1100px; margin: 0 auto; }
.ailab-hero-title {
  font-size: clamp(1.9rem, 4.5vw, 2.8rem);
  font-weight: 800; letter-spacing: -0.5px;
  margin: 10px 0 12px; line-height: 1.15;
  color: #eef1f7;
}
.ailab-hero-sub { color: var(--al-muted); font-size: 1.05rem; max-width: 720px; margin: 0 0 16px; }
.ailab-note {
  display: flex; gap: 10px; align-items: flex-start;
  background: var(--al-gold-dim);
  border: 1px solid var(--al-border);
  border-radius: 10px; padding: 12px 14px;
  color: var(--al-text); font-size: 0.92rem; max-width: 760px;
}
.ailab-note .material-symbols-outlined { color: var(--al-gold); flex-shrink: 0; }
.section-label {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--al-gold);
}

/* ---------- Lab picker ---------- */
.ailab-picker { padding: 24px; }
.ailab-picker-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.ailab-lab-card {
  background: var(--al-surface);
  border: 1px solid var(--al-border);
  border-radius: var(--al-radius);
  padding: 24px 20px; text-align: left; cursor: pointer;
  color: var(--al-text); font-family: inherit;
  transition: border-color 0.15s, transform 0.15s;
}
.ailab-lab-card:hover { border-color: var(--al-border-strong); transform: translateY(-2px); }
.ailab-lab-card.active { border-color: var(--al-gold); background: var(--al-surface-2); }
.ailab-lab-card .material-symbols-outlined { font-size: 34px; color: var(--al-gold); }
.ailab-lab-card h3 { margin: 12px 0 6px; font-size: 1.15rem; color: #eef1f7; }
.ailab-lab-card p { margin: 0; color: var(--al-muted); font-size: 0.9rem; line-height: 1.45; }

/* ---------- Wizard ---------- */
.ailab-lab { display: none; padding: 8px 24px 0; }
.ailab-lab.active { display: block; }
.ailab-wizard { max-width: 1100px; margin: 0 auto; }
.ailab-steps { display: flex; gap: 8px; margin-bottom: 20px; }
.ailab-step {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--al-surface); border: 1px solid var(--al-border);
  color: var(--al-muted); border-radius: 10px; padding: 12px;
  font-family: inherit; font-size: 0.95rem; font-weight: 600; cursor: pointer;
}
.ailab-step span {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--al-surface-2); border: 1px solid var(--al-border);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700;
}
.ailab-step.active { color: var(--al-text); border-color: var(--al-gold); }
.ailab-step.active span { background: var(--al-gold); color: #111622; border-color: var(--al-gold); }
.ailab-step-panel {
  display: none; background: var(--al-surface);
  border: 1px solid var(--al-border); border-radius: var(--al-radius);
  padding: 26px;
}
.ailab-step-panel.active { display: block; }
.ailab-step-panel h2 {
  display: flex; align-items: center; gap: 10px;
  margin: 0 0 8px; font-size: 1.25rem;
}
.ailab-step-panel h2 .material-symbols-outlined { color: var(--al-gold); }
.ailab-hint { color: var(--al-muted); font-size: 0.92rem; margin: 0 0 16px; line-height: 1.5; }
.ailab-hint code {
  background: var(--al-surface-2); padding: 1px 6px; border-radius: 4px;
  font-size: 0.85em; color: var(--al-gold);
}

/* ---------- Form controls ---------- */
.ailab-row { margin-bottom: 14px; }
.ailab-row-inline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.ailab-input, .ailab-select, .ailab-textarea {
  background: var(--al-surface); border: 1px solid var(--al-border);
  color: var(--al-text); border-radius: 12px;
  padding: 12px 14px; font-size: 0.95rem; font-family: inherit;
  min-height: 48px;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.ailab-input:hover, .ailab-select:hover, .ailab-textarea:hover {
  border-color: var(--al-border-strong);
}
/* Custom dropdown arrow */
.ailab-select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23c5a880' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}
/* Textarea: no manual resize, auto-grows */
.ailab-textarea {
  resize: none;
  overflow-y: auto;
}
.ailab-input:focus, .ailab-select:focus, .ailab-textarea:focus {
  outline: none; border-color: var(--al-gold);
}
.ailab-input.grow { flex: 1; }
.ailab-textarea { width: 100%; resize: vertical; }
.ailab-textarea.mono { font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace; font-size: 0.88rem; }
.ailab-label { font-size: 0.9rem; color: var(--al-muted); font-weight: 600; white-space: nowrap; }
.ailab-label strong { color: var(--al-gold); }
.ailab-range { flex: 1; min-width: 160px; accent-color: var(--al-gold); min-height: 48px; }
.ailab-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--al-surface-2); border: 1px solid var(--al-border);
  color: var(--al-text); border-radius: 10px; padding: 12px 18px;
  font-family: inherit; font-size: 0.92rem; font-weight: 600;
  cursor: pointer; min-height: 48px;
  transition: border-color 0.15s, background 0.15s;
}
.ailab-btn:hover:not(:disabled) { border-color: var(--al-border-strong); }
.ailab-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.ailab-btn.primary { background: var(--al-gold); border-color: var(--al-gold); color: #111622; }
.ailab-btn.primary:hover:not(:disabled) { background: #d4b78f; }
.ailab-btn.ghost { background: transparent; }
.ailab-btn.danger-ghost { background: transparent; border-color: rgba(234, 106, 106, 0.35); color: var(--al-danger); }
.ailab-btn.big { font-size: 1.02rem; padding: 14px 28px; }
.ailab-btn .material-symbols-outlined { font-size: 20px; }

/* ---------- Templates gallery ---------- */
.ailab-templates {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px; margin-bottom: 16px;
}
.ailab-template {
  display: flex; align-items: center; gap: 12px;
  background: var(--al-bg); border: 1px solid var(--al-border);
  border-radius: 12px; padding: 14px; cursor: pointer;
  color: var(--al-text); font-family: inherit; text-align: left;
  transition: border-color 0.15s;
}
.ailab-template:hover { border-color: var(--al-gold); }
.ailab-template > .material-symbols-outlined { font-size: 30px; color: var(--al-gold); flex-shrink: 0; }
.ailab-template-text { flex: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ailab-template-name { font-weight: 700; font-size: 0.92rem; }
.ailab-template-desc { color: var(--al-muted); font-size: 0.8rem; line-height: 1.35; }
.ailab-template-load {
  flex-shrink: 0; font-size: 0.8rem; font-weight: 700; color: var(--al-gold);
  border: 1px solid var(--al-border-strong); border-radius: 8px; padding: 6px 12px;
}

/* ---------- Examples list ---------- */
.ailab-examples { display: flex; flex-direction: column; gap: 8px; margin: 6px 0 12px; max-height: 320px; overflow-y: auto; }
.ailab-example {
  display: flex; align-items: center; gap: 12px;
  background: var(--al-bg); border: 1px solid var(--al-border);
  border-radius: 10px; padding: 10px 12px;
}
.ailab-example-text { flex: 1; font-size: 0.9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ailab-example-label {
  flex-shrink: 0; font-size: 0.78rem; font-weight: 700;
  background: var(--al-gold-dim); color: var(--al-gold);
  border: 1px solid var(--al-border); border-radius: 20px; padding: 3px 12px;
}
.ailab-status { font-size: 0.9rem; color: var(--al-muted); margin: 8px 0; line-height: 1.5; }
.ailab-status.ailab-error { color: var(--al-danger); }
.ailab-mode-badge {
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
  background: var(--al-gold-dim); color: var(--al-gold);
  border: 1px solid var(--al-border-strong); border-radius: 20px; padding: 5px 14px;
}

/* ---------- Progress ---------- */
.ailab-progress-wrap { margin: 16px 0; }
.ailab-progress {
  height: 12px; background: var(--al-bg); border: 1px solid var(--al-border);
  border-radius: 8px; overflow: hidden;
}
.ailab-progress-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--al-gold), #e8c98f);
  border-radius: 8px; transition: width 0.2s;
}

/* ---------- Chart ---------- */
.ailab-chart {
  width: 100%; max-width: 640px; height: auto;
  border: 1px solid var(--al-border); border-radius: 10px;
  margin: 12px 0; background: var(--al-surface-2);
}

/* ---------- Prediction / top-3 ---------- */
.ailab-prediction {
  background: var(--al-bg); border: 1px solid var(--al-border-strong);
  border-radius: 12px; padding: 18px; margin: 12px 0;
}
.ailab-pred-label { font-size: 1.6rem; font-weight: 800; color: var(--al-gold); }
.ailab-pred-conf { color: var(--al-muted); font-size: 0.9rem; margin-top: 4px; }
.ailab-conf-bar {
  height: 10px; background: var(--al-surface-2); border-radius: 6px;
  overflow: hidden; margin-top: 10px;
}
.ailab-conf-bar > div {
  height: 100%; background: linear-gradient(90deg, var(--al-gold), #e8c98f);
  border-radius: 6px;
}
.ailab-top3 { display: flex; flex-direction: column; gap: 10px; margin: 12px 0; }
.ailab-top3-row { display: flex; align-items: center; gap: 12px; }
.ailab-top3-label { width: 130px; flex-shrink: 0; font-weight: 600; font-size: 0.9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ailab-top3-row .ailab-conf-bar { flex: 1; margin-top: 0; }
.ailab-top3-pct { width: 56px; text-align: right; color: var(--al-muted); font-size: 0.85rem; flex-shrink: 0; }

/* ---------- Image lab ---------- */
.ailab-class-card {
  background: var(--al-bg); border: 1px solid var(--al-border);
  border-radius: 12px; padding: 16px; margin-bottom: 14px;
}
.ailab-class-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.ailab-class-head strong { font-size: 1.05rem; }
.ailab-class-count {
  font-size: 0.8rem; color: var(--al-muted);
  background: var(--al-surface-2); border-radius: 20px; padding: 3px 12px;
}
.ailab-class-head .nav-icon-btn { margin-left: auto; color: var(--al-danger); }
.ailab-thumbs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.ailab-thumbs img {
  width: 64px; height: 64px; object-fit: cover; border-radius: 8px;
  border: 1px solid var(--al-border);
}
.ailab-thumbs-more {
  width: 64px; height: 64px; border-radius: 8px;
  background: var(--al-surface-2); border: 1px solid var(--al-border);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--al-muted); font-weight: 700; font-size: 0.85rem;
}
.ailab-webcam { margin: 14px 0; }
.ailab-webcam video {
  width: 100%; max-width: 420px; border-radius: 12px;
  border: 1px solid var(--al-border-strong); background: #000;
}
.ailab-test-preview img {
  max-width: 280px; border-radius: 12px;
  border: 1px solid var(--al-border-strong); margin: 8px 0;
}

/* ---------- Snippet modal ---------- */
.ailab-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(10, 13, 22, 0.8);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.ailab-overlay.hidden { display: none; }
.ailab-modal {
  background: var(--al-surface); border: 1px solid var(--al-border-strong);
  border-radius: var(--al-radius); padding: 26px;
  max-width: 560px; width: 100%; max-height: 86dvh; overflow-y: auto;
}
.ailab-modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.ailab-modal-head h3 { display: flex; align-items: center; gap: 10px; margin: 0; }
.ailab-modal-head h3 .material-symbols-outlined { color: var(--al-gold); }
.ailab-code {
  background: var(--al-bg); border: 1px solid var(--al-border);
  border-radius: 10px; padding: 16px; overflow-x: auto;
  font-size: 0.82rem; line-height: 1.6; margin: 12px 0 16px;
}
.ailab-code code { font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace; color: var(--al-text); white-space: pre; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .ailab-picker-inner { grid-template-columns: 1fr; }
  .ailab-step-panel { padding: 18px 14px; }
  .ailab-steps { flex-direction: column; }
  .ailab-row-inline { align-items: stretch; }
  .ailab-row-inline .ailab-btn { justify-content: center; }
  .ailab-input, .ailab-select, .ailab-textarea, .ailab-btn { min-height: 52px; font-size: 1rem; }
  .ailab-top3-label { width: 96px; }
  .ailab-hero { padding: 28px 16px 4px; }
  .ailab-picker, .ailab-lab { padding-left: 16px; padding-right: 16px; }
  .ailab-progress { height: 16px; }
}

.hidden { display: none !important; }

/* ============ UI polish (2026-10-09) ============ */
/* Modal enter animations – match platform spring */
@keyframes ailabFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes ailabModalEnter {
  from { opacity: 0; transform: translateY(14px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.ailab-overlay:not(.hidden) { animation: ailabFadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.ailab-overlay:not(.hidden) .ailab-modal { animation: ailabModalEnter 0.45s cubic-bezier(0.34, 1.56, 0.64, 1); }

/* Mobile: modal fits narrow screens */
@media (max-width: 480px) {
  .ailab-overlay { padding: 16px 12px; }
  .ailab-modal { padding: 20px 16px; }
}
/* ---------- Footer grid (organized, no badges) ---------- */
.erthiox-footer {
    background: #0d1117;
    border-top: 1px solid rgba(197, 168, 128, 0.15);
    padding: 40px 24px 24px;
    margin-top: 60px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}
.footer-col h4 {
    color: #c5a880;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin: 0 0 16px;
}
.footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-col a {
    color: #9aa3b8;
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.15s;
}
.footer-col a:hover {
    color: #eef1f7;
}
.footer-col .material-symbols-outlined {
    font-size: 18px;
    color: #c5a880;
}
.footer-bottom {
    max-width: 1200px;
    margin: 32px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    color: #6b7280;
    font-size: 0.85rem;
}
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .erthiox-footer {
        padding: 32px 16px 20px;
    }
}
@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}