/* ═══════════════════════════════════════════════════════
   Advice.ai — Full Pipeline Styles (Dark Theme)
   ═══════════════════════════════════════════════════════ */

:root {
  color-scheme: dark;
  --bg: #030712;
  --surface: rgba(8, 14, 30, 0.94);
  --surface-alt: rgba(15, 25, 48, 0.85);
  --surface-strong: #0a1428;
  --text: #f4f7ff;
  --text-secondary: #c0ccdf;
  --muted: #8fa3c8;
  --accent: #60a5fa;
  --accent-strong: #8b5cf6;
  --accent-glow: rgba(96, 165, 250, 0.18);
  --success: #34d399;
  --warning: #fbbf24;
  --error: #f87171;
  --border: rgba(96, 165, 250, 0.16);
  --border-strong: rgba(96, 165, 250, 0.3);
  --shadow: 0 26px 70px rgba(2, 6, 18, 0.36);
  --radius: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --transition: 280ms cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  background:
    radial-gradient(circle at 18% 0%, rgba(96, 165, 250, 0.18), transparent 30%),
    radial-gradient(circle at 100% 100%, rgba(139, 92, 246, 0.16), transparent 26%),
    linear-gradient(135deg, #030712 0%, #071224 45%, #121d3a 100%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(96, 165, 250, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.3), rgba(0,0,0,0.05));
  pointer-events: none;
  z-index: 0;
}

.hidden { display: none !important; }

/* ─────── Page Shell ─────── */
.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  padding-left: 280px;
  position: relative;
}

.pipeline-shell {
  justify-content: flex-start;
  padding-top: 48px;
}

.final-shell {
  justify-content: flex-start;
  padding-top: 48px;
}

/* ─────── Brand ─────── */
.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.brand-row.small { margin-bottom: 4px; }

.brand-mark {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.3rem;
  box-shadow: 0 12px 28px rgba(96, 165, 250, 0.25);
  flex-shrink: 0;
}
.brand-mark.small { width: 36px; height: 36px; border-radius: 10px; font-size: 0.95rem; }

.app-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #f2f6ff;
}
.app-title.small { font-size: 1.1rem; }

.tagline {
  color: var(--muted);
  font-size: 1rem;
  text-align: center;
  margin-bottom: 28px;
  max-width: 420px;
}

/* ─────── Input Stage ─────── */
.inbox-shell {
  width: min(700px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: fadeUp 700ms ease both;
}

.input-layout {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.input-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: 260px;
  height: 100vh;
  z-index: 100;
  border: none;
  border-right: 1px solid var(--border);
  border-radius: 0;
  background: rgba(6, 12, 24, 0.96);
  box-shadow: 4px 0 24px rgba(2, 6, 14, 0.4);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--transition);
}

/* Mobile sidebar toggle button */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 150;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 1.2rem;
  cursor: pointer;
  place-items: center;
  box-shadow: 0 4px 16px rgba(2, 6, 14, 0.4);
  transition: all var(--transition);
}
.sidebar-toggle:hover {
  background: rgba(96, 165, 250, 0.1);
  border-color: var(--border-strong);
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
}

/* Right-side detail drawer */
.detail-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 380px;
  max-width: 90vw;
  height: 100vh;
  z-index: 110;
  background: rgba(6, 12, 24, 0.97);
  border-left: 1px solid var(--border);
  box-shadow: -8px 0 32px rgba(2, 6, 14, 0.5);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition);
}
.detail-drawer.open {
  transform: translateX(0);
}

.detail-drawer-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all var(--transition);
  z-index: 1;
}
.detail-drawer-close:hover {
  background: rgba(248, 113, 113, 0.12);
  border-color: rgba(248, 113, 113, 0.3);
  color: var(--error);
}

.detail-drawer-content {
  margin-top: 16px;
}

.detail-drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 105;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(2px);
}
.detail-drawer-overlay.active {
  display: block;
}

.history-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.history-panel-header h2 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.history-pill {
  font-size: 0.75rem;
  color: var(--accent);
  background: rgba(96, 165, 250, 0.12);
  border: 1px solid rgba(96, 165, 250, 0.2);
  padding: 5px 9px;
  border-radius: var(--radius-pill);
}

.history-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  overflow-y: auto;
}

.history-item {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  background: transparent;
  border: none;
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  transition: background var(--transition);
}

.history-item:hover {
  background: rgba(255,255,255,0.06);
}

.history-item.active {
  background: rgba(96, 165, 250, 0.14);
}

.history-item-text {
  color: var(--text-secondary);
  font-size: 0.86rem;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  position: relative;
}

/* Modern tooltip on hover */
.history-item-text[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) scale(0.92);
  width: max-content;
  max-width: 280px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(12, 20, 38, 0.96);
  border: 1px solid rgba(96, 165, 250, 0.2);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  color: var(--text);
  font-size: 0.82rem;
  line-height: 1.5;
  white-space: normal;
  word-break: break-word;
  z-index: 200;
  pointer-events: none;
  opacity: 0;
  transition: opacity 180ms ease, transform 180ms ease;
}

.history-item-text[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

.history-item.active .history-item-text {
  color: var(--text);
}

.history-timestamp {
  color: var(--muted);
  font-size: 0.7rem;
  white-space: nowrap;
}

.history-empty {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 6px 2px;
}

.history-detail-empty {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.5;
}

.history-detail-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-detail-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.history-detail-meta {
  color: var(--muted);
  font-size: 0.8rem;
}

.history-detail-section {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 10px;
}

.history-detail-section h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.history-response-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 12px;
  padding: 10px 12px;
  margin-bottom: 8px;
}

.history-response-card h4 {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}

.history-response-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-wrap;
}

@media (max-width: 860px) {
  .page-shell {
    padding-left: 20px;
  }

  .sidebar-toggle {
    display: grid;
  }

  .sidebar-overlay.active {
    display: block;
  }

  .history-panel {
    transform: translateX(-100%);
    padding-top: 68px;
  }

  .history-panel.open {
    transform: translateX(0);
  }
}

.prompt-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.textarea-wrap { position: relative; }
.textarea-wrap textarea { padding-top: 58px; }

.input-label {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  background: rgba(12, 21, 38, 0.9);
  border: 1px solid rgba(106, 125, 255, 0.22);
  box-shadow: 0 8px 24px rgba(6, 13, 24, 0.3);
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  font-size: 0.8rem;
  color: #8ea2ff;
  animation: labelPulse 2.4s ease-in-out infinite;
}
.label-code { font-weight: 700; color: #9aaeff; }
.label-text {
  display: inline-block;
  white-space: nowrap;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 160ms ease, transform 160ms ease;
}
.label-cursor {
  width: 7px; height: 13px;
  border-radius: 2px;
  background: linear-gradient(135deg, #5b6cff, #8b7cff);
  animation: blink 0.8s step-end infinite;
}

textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 20px;
  min-height: 156px;
  padding: 18px 20px;
  font: inherit;
  font-size: 1rem;
  color: #e9efff;
  background: linear-gradient(180deg, rgba(15, 25, 43, 0.98) 0%, rgba(10, 20, 38, 0.98) 100%);
  resize: vertical;
  box-shadow: inset 0 1px 2px rgba(255,255,255,0.04), 0 8px 24px rgba(7,13,24,0.3);
  transition: border-color var(--transition), box-shadow var(--transition);
}
textarea::placeholder { color: #5a6a8a; }
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow), 0 12px 30px rgba(6,14,28,0.28);
}

/* Model chips */
.model-chips {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.chip {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: rgba(96, 165, 250, 0.08);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition);
}
.chip:hover {
  background: rgba(96, 165, 250, 0.15);
  transform: translateY(-1px);
}

/* Buttons */
button {
  border: none;
  cursor: pointer;
  font: inherit;
}

.prompt-form button[type="submit"] {
  align-self: center;
  padding: 15px 36px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 10px 30px rgba(96, 165, 250, 0.28);
}
.prompt-form button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(96, 165, 250, 0.35);
}
.prompt-form button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.page-credit {
  margin-top: auto;
  padding-top: 24px;
  text-align: center;
  color: #5a6a88;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

/* ─────── Pipeline Stage ─────── */
.pipeline-container {
  width: min(900px, 100%);
  display: flex;
  flex-direction: column;
  gap: 28px;
  animation: fadeUp 500ms ease both;
}

/* Stepper */
.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.step-dot {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(96, 165, 250, 0.1);
  border: 2px solid rgba(96, 165, 250, 0.2);
  position: relative;
  transition: all 400ms ease;
}
.step-dot::after {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: transparent;
  transition: all 400ms ease;
}

.step.active .step-dot {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
  animation: stepPulse 1.8s ease-in-out infinite;
}
.step.active .step-dot::after {
  background: var(--accent);
}
.step.active .step-label { color: var(--accent); font-weight: 700; }

.step.done .step-dot {
  background: var(--success);
  border-color: var(--success);
  box-shadow: none;
  animation: none;
}
.step.done .step-dot::after {
  background: #fff;
  inset: 9px 7px;
  border-radius: 2px;
  clip-path: polygon(20% 55%, 40% 75%, 80% 25%, 90% 35%, 40% 90%, 10% 60%);
}
.step.done .step-label { color: var(--success); }

.step-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.step-connector {
  flex: 1;
  height: 2px;
  min-width: 30px;
  max-width: 80px;
  background: rgba(96,165,250,0.15);
  margin: 0 6px;
  margin-bottom: 24px;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}
.step-connector.active::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: connectorFlow 1.4s linear infinite;
}
.step-connector.done {
  background: var(--success);
}

/* Prompt echo */
.prompt-echo {
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
}
.prompt-echo-label {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(96,165,250,0.1);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.prompt-echo-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* LLM Cards */
.llm-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.llm-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  animation: fadeUp 400ms ease both;
}
.llm-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
}

.llm-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(96,165,250,0.08);
}

.llm-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.llm-name {
  font-weight: 700;
  font-size: 0.95rem;
  flex: 1;
}

.status-badge {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.status-badge.waiting {
  background: rgba(255,255,255,0.06);
  color: var(--muted);
}
.status-badge.generating {
  background: rgba(96, 165, 250, 0.12);
  color: var(--accent);
  animation: badgePulse 1.5s ease-in-out infinite;
}
.status-badge.done {
  background: rgba(52, 211, 153, 0.12);
  color: var(--success);
}
.status-badge.under_review {
  background: rgba(251, 191, 36, 0.12);
  color: var(--warning);
  font-size: 0.5rem;
  animation: badgePulse 1.5s ease-in-out infinite;
}
.status-badge.reviewed {
  background: rgba(139, 92, 246, 0.12);
  color: var(--accent-strong);
  font-size: 0.5rem;
}
.status-badge.failed {
  background: rgba(248, 113, 113, 0.12);
  color: var(--error);
}

.llm-card-body {
  padding: 0 18px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms ease, padding 400ms ease;
}
.llm-card-body.expanded {
  max-height: 600px;
  padding: 16px 18px;
  overflow-y: auto;
}

.llm-card-body p,
.llm-card-body li {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}
.llm-card-body strong {
  color: var(--text);
}

.llm-expand-btn {
  width: 100%;
  padding: 10px;
  background: transparent;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  border-top: 1px solid rgba(96,165,250,0.08);
  transition: background var(--transition);
  display: none;
}
.llm-expand-btn:hover {
  background: rgba(96,165,250,0.06);
}
.llm-expand-btn.visible { display: block; }

/* Typing dots loader */
.typing-dots {
  display: flex;
  gap: 6px;
  padding: 20px 18px;
}
.typing-dots span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.4;
  animation: dotBounce 1.2s ease-in-out infinite;
}
.typing-dots span:nth-child(2) { animation-delay: 0.15s; }
.typing-dots span:nth-child(3) { animation-delay: 0.3s; }

/* ─────── Cross-Review Section ─────── */
.section-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.review-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.review-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  animation: slideIn 500ms ease both;
}

.review-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(96,165,250,0.04);
  border-bottom: 1px solid rgba(96,165,250,0.08);
  flex-wrap: wrap;
}

.review-flow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
}
.review-flow .arrow {
  color: var(--accent);
  font-size: 1.1rem;
  animation: arrowPulse 1.5s ease-in-out infinite;
}
.review-model-tag {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  border: 1px solid;
}

.review-card-body {
  padding: 0 18px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms ease, padding 400ms ease;
}
.review-card-body.expanded {
  max-height: 500px;
  padding: 16px 18px;
  overflow-y: auto;
}
.review-card-body p,
.review-card-body li {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}
.review-card-body strong {
  color: var(--text);
}

.review-expand-btn {
  width: 100%;
  padding: 10px;
  background: transparent;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  border-top: 1px solid rgba(96,165,250,0.08);
  transition: background var(--transition);
}
.review-expand-btn:hover {
  background: rgba(96,165,250,0.06);
}

/* ─────── Synthesis Section ─────── */
.synthesis-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 26px;
  background: linear-gradient(135deg, rgba(96,165,250,0.08), rgba(139,92,246,0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-weight: 600;
  color: var(--text);
  animation: fadeUp 400ms ease both;
}

.synthesis-spinner {
  width: 28px; height: 28px;
  border: 3px solid rgba(96,165,250,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

/* ─────── Final Stage ─────── */
.final-container {
  width: min(800px, 100%);
  display: flex;
  flex-direction: column;
  gap: 22px;
  animation: fadeUp 600ms ease both;
}

.final-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.final-badge {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, rgba(52,211,153,0.12), rgba(96,165,250,0.12));
  border: 1px solid rgba(52,211,153,0.2);
  color: var(--success);
  font-size: 0.88rem;
  font-weight: 700;
  animation: badgeGlow 2s ease-in-out infinite;
}

/* Why card */
.why-card {
  padding: 18px 22px;
  background: rgba(139, 92, 246, 0.06);
  border: 1px solid rgba(139, 92, 246, 0.15);
  border-radius: var(--radius);
}
.why-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.why-text {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Advice card */
.advice-card {
  position: relative;
  padding: 32px 30px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  background-clip: padding-box;
  overflow: hidden;
}
.advice-card::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-lg) + 2px);
  background: linear-gradient(135deg, var(--accent), var(--accent-strong), var(--success));
  z-index: -1;
  animation: gradientShift 6s ease infinite;
  background-size: 200% 200%;
}

.advice-content {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.75;
}
.advice-content h2 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.advice-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 20px 0 8px;
  color: var(--text);
}
.advice-content p {
  margin-bottom: 12px;
  color: var(--text-secondary);
}
.advice-content ul, .advice-content ol {
  padding-left: 22px;
  margin-bottom: 12px;
}
.advice-content li {
  margin-bottom: 6px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.advice-content strong {
  color: var(--text);
}
.advice-content em {
  color: var(--muted);
  font-style: italic;
}
.advice-content hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

/* Toggle process button */
.toggle-process-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius);
  background: rgba(96,165,250,0.06);
  border: 1px solid var(--border);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: all var(--transition);
  align-self: flex-start;
}
.toggle-process-btn:hover {
  background: rgba(96,165,250,0.1);
  border-color: var(--border-strong);
}
.toggle-icon {
  display: inline-block;
  font-size: 0.75rem;
  transition: transform 300ms ease;
}
.toggle-process-btn.open .toggle-icon {
  transform: rotate(90deg);
}

/* Full process section */
.full-process {
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: fadeUp 400ms ease both;
}
.full-process .fp-section {
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.full-process .fp-section-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.full-process .fp-section p,
.full-process .fp-section li {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}
.full-process .fp-section strong {
  color: var(--text);
}

/* Action buttons */
.final-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 8px;
}
.action-btn {
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
}
.action-btn:hover {
  background: rgba(96,165,250,0.1);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}
.action-btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border: none;
  color: #fff;
  box-shadow: 0 8px 24px rgba(96,165,250,0.22);
}
.action-btn.primary:hover {
  box-shadow: 0 12px 30px rgba(96,165,250,0.32);
}
.action-btn.outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}
.action-btn.outline:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

/* ─────── Animations ─────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes blink {
  50% { opacity: 0; }
}
@keyframes labelPulse {
  0%, 100% { transform: translateY(0); box-shadow: 0 8px 24px rgba(91,124,255,0.08); }
  50% { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(91,124,255,0.12); }
}
@keyframes stepPulse {
  0%, 100% { box-shadow: 0 0 12px var(--accent-glow); }
  50% { box-shadow: 0 0 24px rgba(96,165,250,0.35); }
}
@keyframes badgePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
@keyframes badgeGlow {
  0%, 100% { box-shadow: 0 0 12px rgba(52,211,153,0.1); }
  50% { box-shadow: 0 0 24px rgba(52,211,153,0.2); }
}
@keyframes dotBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-8px); opacity: 1; }
}
@keyframes connectorFlow {
  to { left: 100%; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes arrowPulse {
  0%, 100% { transform: translateX(0); opacity: 1; }
  50% { transform: translateX(3px); opacity: 0.6; }
}

/* ─────── Not-advice notice ─────── */
.not-advice-notice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 16px;
  padding: 16px 20px;
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.25);
  border-radius: var(--radius);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.not-advice-notice.visible {
  opacity: 1;
  transform: translateY(0);
}
.not-advice-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.not-advice-text {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.5;
}
.not-advice-text strong {
  color: var(--warning);
  display: block;
  margin-bottom: 4px;
}
.not-advice-text p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

/* ─────── Print styles ─────── */
@media print {
  body {
    background: #fff !important;
    color: #111 !important;
  }
  body::before { display: none; }
  .page-shell { padding: 0; min-height: auto; }
  .final-actions, .toggle-process-btn, .page-credit { display: none !important; }
  .advice-card { border: 2px solid #ddd; }
  .advice-card::before { display: none; }
  .advice-content, .advice-content p, .advice-content li { color: #222 !important; }
  .advice-content h2 {
    -webkit-text-fill-color: #111;
    background: none;
  }
  .why-card { background: #f8f8f8; border-color: #ddd; }
  .why-text, .why-title { color: #333 !important; }
  .full-process { display: flex !important; }
  .full-process .fp-section { border-color: #ddd; background: #fafafa; }
  .full-process .fp-section p,
  .full-process .fp-section li { color: #333 !important; }
}

/* ─────── Responsive ─────── */
@media (max-width: 640px) {
  .page-shell { padding: 20px 14px; }
  .pipeline-shell { padding-top: 24px; }

  .stepper {
    flex-wrap: wrap;
    gap: 8px;
    padding: 14px 12px;
  }
  .step-connector {
    min-width: 16px;
    max-width: 36px;
    margin-bottom: 20px;
  }
  .step-label { font-size: 0.68rem; }

  .llm-cards {
    grid-template-columns: 1fr;
  }

  textarea { min-height: 120px; }

  .advice-card { padding: 22px 18px; }
  .final-actions { flex-direction: column; }
  .action-btn { text-align: center; }

  .review-flow { font-size: 0.82rem; }
}