/* ==========================================================================
   SCHOLARAGENT — AUTONOMOUS SCIENTIFIC RESEARCH AGENT
   Ultra-Premium Dark Glassmorphic Design System & Visualizations
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --bg-primary: #06080e;
  --bg-secondary: #0c111d;
  --bg-tertiary: #141b2d;
  --bg-card: rgba(15, 22, 38, 0.78);
  --bg-card-hover: rgba(22, 33, 56, 0.88);
  --bg-input: rgba(8, 12, 22, 0.88);
  --bg-glass: rgba(11, 16, 28, 0.72);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-glow: rgba(139, 92, 246, 0.45);
  --border-cyan-glow: rgba(6, 182, 212, 0.45);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #06080e;

  --accent-primary: #8b5cf6;
  --accent-primary-hover: #7c3aed;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-indigo: #6366f1;

  --grad-primary: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
  --grad-emerald: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --grad-amber: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --grad-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);

  --font-display: 'Outfit', sans-serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --radius-full: 9999px;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 35px -5px rgba(139, 92, 246, 0.4);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 12% 15%, rgba(139, 92, 246, 0.15) 0%, transparent 45%),
    radial-gradient(circle at 88% 22%, rgba(6, 182, 212, 0.12) 0%, transparent 48%),
    radial-gradient(circle at 50% 88%, rgba(16, 185, 129, 0.08) 0%, transparent 52%);
  background-attachment: fixed;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  height: 74px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  z-index: 100;
  transition: all 0.2s ease;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.45);
  position: relative;
  overflow: hidden;
}

.brand-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, transparent 60%);
}

.brand-title {
  display: flex;
  flex-direction: column;
}

.brand-title h1 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #ffffff 40%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background: rgba(139, 92, 246, 0.2);
  color: #c4b5fd;
  border: 1px solid rgba(139, 92, 246, 0.35);
  -webkit-text-fill-color: #c4b5fd;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.header-status-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.28);
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  color: #6ee7b7;
  font-weight: 600;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 12px var(--accent-emerald);
  animation: pulse 1.6s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(1.25); }
}

.github-link-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.github-link-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-glow);
  transform: translateY(-1px);
}

/* Main Container */
.main-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 2.75rem 2.5rem 6rem;
  position: relative;
  z-index: 1;
}

/* Hero Section */
.hero-section {
  text-align: center;
  max-width: 940px;
  margin: 0 auto 3.5rem;
  animation: fadeIn 0.6s ease-out;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: rgba(139, 92, 246, 0.14);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: #c4b5fd;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.18;
  margin-bottom: 1rem;
}

.hero-title .gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  color: var(--text-secondary);
  font-size: 1.12rem;
  max-width: 780px;
  margin: 0 auto 2.25rem;
  line-height: 1.7;
}

/* Inquiry Search Box */
.query-box-wrapper {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 0.65rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  gap: 0.75rem;
  align-items: center;
  transition: all 0.25s ease;
  position: relative;
}

.query-box-wrapper:focus-within {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.query-input-icon {
  margin-left: 1rem;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.query-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 500;
  padding: 0.85rem 0.5rem;
  outline: none;
}

.query-input::placeholder {
  color: var(--text-muted);
}

.btn-launch {
  background: var(--grad-primary);
  border: none;
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  padding: 0.95rem 2rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  box-shadow: 0 4px 22px rgba(139, 92, 246, 0.45);
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  flex-shrink: 0;
}

.btn-launch:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(139, 92, 246, 0.65);
}

.btn-launch:active {
  transform: scale(0.98);
}

.btn-launch:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Quick Topic Samples */
.samples-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.sample-tag-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.15s;
}

.sample-tag-btn:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
  background: var(--bg-tertiary);
  transform: translateY(-1px);
}

/* Visual Multi-Agent Architecture Topology Map */
.agent-map-section {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-md);
  display: none;
}

.agent-map-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.agent-map-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
}

.agent-map-title svg {
  color: var(--accent-primary);
}

.agent-map-runtime {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
}

.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  position: relative;
}

@media (max-width: 1120px) {
  .pipeline-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .pipeline-grid {
    grid-template-columns: 1fr;
  }
}

.pipeline-step-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.6rem;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

.pipeline-step-card.active {
  border-color: var(--accent-cyan);
  background: linear-gradient(180deg, rgba(6, 182, 212, 0.15) 0%, rgba(6, 182, 212, 0.04) 100%);
  box-shadow: 0 0 24px rgba(6, 182, 212, 0.3);
  transform: translateY(-3px);
}

.pipeline-step-card.completed {
  border-color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.08);
}

.step-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.pipeline-step-card.active .step-icon {
  background: var(--accent-cyan);
  color: #06080e;
  box-shadow: 0 0 16px var(--accent-cyan);
  animation: pulse 1.2s infinite alternate;
}

.pipeline-step-card.completed .step-icon {
  background: var(--accent-emerald);
  color: #fff;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
}

.step-title {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
}

.step-status {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* KPI Metrics Dashboard */
.metrics-section {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.75rem;
  display: none;
}

@media (max-width: 960px) {
  .metrics-section {
    grid-template-columns: repeat(2, 1fr);
  }
}

.metric-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s, border-color 0.2s;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-glow);
}

.metric-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.metric-val {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 600;
  margin-top: 0.25rem;
}

/* Report Deck */
.report-deck-section {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: none;
}

.deck-header {
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  background: var(--grad-surface);
}

.tab-nav {
  display: flex;
  gap: 0.4rem;
  background: var(--bg-secondary);
  padding: 0.35rem;
  border-radius: var(--radius-full);
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  background: var(--bg-tertiary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.tab-btn.active svg {
  color: var(--accent-primary);
}

.deck-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.action-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s;
  text-decoration: none;
}

.action-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-glow);
  transform: translateY(-1px);
}

.deck-body {
  padding: 3rem;
  max-height: 850px;
  overflow-y: auto;
}

/* Scientific Markdown Layout */
.markdown-body {
  color: #e2e8f0;
  line-height: 1.85;
  font-size: 0.98rem;
}

.markdown-body h1 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1.25rem;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.markdown-body h2 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin: 2.5rem 0 1rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.6rem;
  letter-spacing: -0.015em;
}

.markdown-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: #c4b5fd;
  margin: 1.75rem 0 0.6rem;
}

.markdown-body p {
  margin-bottom: 1.25rem;
  color: #cbd5e1;
}

.markdown-body blockquote {
  background: rgba(139, 92, 246, 0.1);
  border-left: 4px solid var(--accent-primary);
  padding: 1rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5rem 0;
  font-size: 0.92rem;
  color: #e2e8f0;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.88rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.markdown-body th {
  background: var(--bg-tertiary);
  color: #fff;
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: 700;
  border-bottom: 1px solid var(--border-medium);
}

.markdown-body td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  color: #cbd5e1;
}

.markdown-body tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.markdown-body a {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
}

.markdown-body a:hover {
  text-decoration: underline;
}

.markdown-body code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: rgba(0, 0, 0, 0.4);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  color: #67e8f9;
}

/* Terminal Log */
.terminal-window {
  background: #04060b;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  padding: 1.75rem;
  max-height: 520px;
  overflow-y: auto;
  line-height: 1.7;
}

.terminal-line {
  margin-bottom: 0.6rem;
  display: flex;
  gap: 0.85rem;
}

.terminal-time {
  color: var(--text-muted);
}

.terminal-tag {
  color: var(--accent-primary);
  font-weight: 700;
}

.terminal-msg {
  color: #cbd5e1;
}

/* Research Gap Cards */
.gaps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(460px, 1fr));
  gap: 1.5rem;
}

@media (max-width: 600px) {
  .gaps-grid {
    grid-template-columns: 1fr;
  }
}

.gap-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  transition: all 0.25s;
}

.gap-card:hover {
  border-color: var(--accent-amber);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.15);
}

.gap-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.12);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  align-self: flex-start;
}

.gap-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
}

.gap-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.gap-opp {
  background: rgba(16, 185, 129, 0.08);
  border-left: 3px solid var(--accent-emerald);
  padding: 0.85rem 1.15rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.88rem;
  color: #a7f3d0;
  line-height: 1.6;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.spin {
  animation: spin 1s infinite linear;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
}

.toast {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.4rem;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  animation: fadeIn 0.3s ease-out;
}