/* ═══════════════════════════════════════════════════════════════════
   GENOMEINSIGHT — Light Academic Theme for Young Scientists
   Bright, Approachable, and Easy to Read
════════════════════════════════════════════════════════════════════ */

/* ── Design Tokens ────────────────────────────────────────────── */
:root {
  /* Core backgrounds - Light academic theme */
  --bg-root:        #f8fafc;      /* Light academic background */
  --bg-surface:     #ffffff;      /* Clean white surface */
  --bg-card:        #ffffff;      /* Card background */
  --bg-card-hover:  #f1f5f9;      /* Subtle hover */
  --bg-elevated:    #e2e8f0;       /* Elevated elements */
  --bg-glass:       rgba(255, 255, 255, 0.95); /* Glass effect */

  /* Border palette - Soft academic borders */
  --border-subtle:  rgba(148, 163, 184, 0.1);
  --border:         rgba(148, 163, 184, 0.2);
  --border-medium:  rgba(148, 163, 184, 0.3);
  --border-accent:  rgba(59, 130, 246, 0.4);   /* Academic blue */
  --border-purple:  rgba(124, 58, 237, 0.4);   /* Academic purple */

  /* Brand gradient - Professional academic */
  --grad-brand:     linear-gradient(135deg, #3b82f6 0%, #6366f1 50%, #8b5cf6 100%);
  --grad-brand-dim: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.05));
  --grad-card:      linear-gradient(160deg, rgba(59, 130, 246, 0.04) 0%, rgba(99, 102, 241, 0.02) 100%);

  /* Accent colours - Vibrant academic palette */
  --cyan:           #3b82f6;      /* Primary academic blue */
  --cyan-bright:    #60a5fa;      /* Bright academic blue */
  --cyan-dim:       rgba(59, 130, 246, 0.12);
  --cyan-glow:      0 4px 20px rgba(59, 130, 246, 0.15);
  --indigo:         #6366f1;      /* Secondary purple */
  --indigo-dim:     rgba(99, 102, 241, 0.12);
  --purple:         #8b5cf6;      /* Tertiary purple */
  --purple-dim:     rgba(139, 92, 246, 0.12);
  --green:          #059669;      /* Success green */
  --green-dim:      rgba(5, 150, 105, 0.12);
  --amber:          #d97706;      /* Warning amber */
  --amber-dim:      rgba(217, 119, 6, 0.12);
  --red:            #dc2626;      /* Error red */
  --red-dim:        rgba(220, 38, 38, 0.12);

  /* Text - High contrast for light theme */
  --text-primary:   #1e293b;      /* Dark academic text */
  --text-secondary: #475569;       /* Secondary text */
  --text-muted:     #64748b;       /* Muted text */
  --text-faint:     #94a3b8;       /* Faint text */

  /* Layout */
  --sidebar-w:      280px;         /* Wider sidebar */
  --topbar-h:       120px;         /* Taller topbar for big logo */

  /* Shape - More rounded for approachability */
  --r-xs:  6px;
  --r-sm:  10px;
  --r-md:  14px;
  --r-lg:  18px;
  --r-xl:  22px;
  --r-2xl: 28px;

  /* Typography - Academic professional */
  --font:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:  'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Timing */
  --ease:  all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  background: var(--bg-root);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  /* Light academic paper texture */
  background-image:
    radial-gradient(circle at 1px 1px, rgba(59, 130, 246, 0.05) 1px, transparent 0);
  background-size: 40px 40px;
  background-attachment: fixed;
}

sup {
  font-size: 0.6em;
  vertical-align: super;
  letter-spacing: 0.02em;
}
a { color: var(--cyan); text-decoration: none; transition: var(--ease); }
a:hover { color: var(--cyan-bright); text-decoration: underline; }
input, textarea, select, button { font-family: var(--font); }
button { cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; }
img, svg { max-width: 100%; display: block; }

/* Scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(34,211,238,0.2); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(34,211,238,0.4); }

/* ═══════════════════════════════════════════════════════
   TOPBAR
═══════════════════════════════════════════════════════ */
#topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}

.topbar-left  { display: flex; align-items: center; gap: 14px; }
.topbar-center { flex: 1; display: flex; justify-content: center; }
.topbar-right { display: flex; align-items: center; gap: 8px; }

/* Brand */
.brand { display: flex; align-items: center; gap: 16px; padding: 8px 0; }
.brand-logo-wrap {
  width: 102px; height: 102px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(99, 102, 241, 0.08));
  border: 2px solid rgba(59, 130, 246, 0.3);
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.2);
}
.brand-logo-wrap:hover {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
}
.brand-logo-wrap img, .brand-logo-wrap svg { 
  width: 90px; height: 90px;
  filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.4));
  transition: transform 0.3s ease;
}
.brand-logo-wrap:hover img {
  transform: scale(1.08) rotate(2deg);
}

.logo-download-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--r-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  display: none;
  flex-direction: column;
  padding: 8px;
  gap: 6px;
  margin-top: 12px;
  z-index: 1000;
  min-width: 120px;
}

.brand-logo-wrap:hover .logo-download-menu {
  display: flex;
}

.logo-download-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
}

.logo-download-btn:hover {
  background: var(--cyan);
  color: var(--bg-root);
  border-color: var(--cyan);
  transform: translateY(-1px);
}

.logo-download-btn i {
  font-size: 12px;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.1; margin-left: 16px; }
.brand-name {
  font-size: 24px;
  font-weight: 800;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.brand-tagline {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
.nitr-chip {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-sm);
  background: var(--grad-brand);
  color: #0f172a;
  flex-shrink: 0;
  margin-left: 12px;
}

/* Breadcrumb */
.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-secondary);
  padding: 5px 12px;
  background: rgba(34,211,238,0.05);
  border: 1px solid var(--border-accent);
  border-radius: 20px;
  transition: var(--ease);
}
.breadcrumb i { color: var(--cyan); font-size: 10px; }
.breadcrumb-sep { color: var(--text-muted); }
#breadcrumb-project-name { color: var(--cyan); font-weight: 600; }
#breadcrumb-page-name { color: var(--text-secondary); }

/* Topbar buttons */
.topbar-btn {
  position: relative;
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: rgba(34,211,238,0.04);
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  transition: var(--ease);
}
.topbar-btn:hover {
  color: var(--cyan);
  border-color: var(--border-accent);
  background: var(--cyan-dim);
  box-shadow: var(--cyan-glow);
}
.status-dot {
  position: absolute; bottom: 6px; right: 6px;
  width: 6px; height: 6px; border-radius: 50%;
  border: 1.5px solid var(--bg-surface);
}
.dot-active  { background: var(--green); box-shadow: 0 0 6px var(--green); }
.dot-inactive { background: var(--text-muted); }

.topbar-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--grad-brand);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; color: #040b14;
  cursor: default; flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════
   SIDEBAR
═══════════════════════════════════════════════════════ */
#sidebar {
  position: fixed;
  top: var(--topbar-h); left: 0;
  width: var(--sidebar-w);
  height: calc(100vh - var(--topbar-h));
  background: rgba(255, 255, 255, 0.95);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  padding: 20px 12px 16px;
  overflow-y: auto; z-index: 90;
  transition: transform 0.28s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 2px 0 10px rgba(0,0,0,0.05);
}

.sidebar-section-label {
  font-size: 9px; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--text-muted); padding: 14px 10px 6px;
}

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; }

.nav-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 9px 12px;
  border-radius: var(--r-md);
  color: var(--text-secondary);
  font-size: 13px; font-weight: 500;
  transition: var(--ease); text-align: left;
  border: 1px solid transparent;
  position: relative;
}
.nav-item:hover {
  background: rgba(59, 130, 246, 0.08);
  color: var(--text-primary);
  border-color: var(--border);
}
.nav-item.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(99, 102, 241, 0.10));
  color: var(--cyan-bright);
  border-color: var(--border-accent);
  font-weight: 600;
}
.nav-item.active::before {
  content: '';
  position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 3px; border-radius: 0 3px 3px 0;
  background: var(--grad-brand);
  margin-left: -10px;
}
.nav-item i { width: 16px; text-align: center; font-size: 13px; flex-shrink: 0; }
.nav-item .nav-pill {
  margin-left: auto;
  font-size: 9px; font-weight: 800;
  background: var(--cyan-dim);
  color: var(--cyan-bright);
  padding: 1px 6px; border-radius: 20px;
  border: 1px solid var(--border-accent);
}
.nav-item .nav-new-badge {
  margin-left: auto;
  font-size: 9px; font-weight: 800;
  background: var(--grad-brand); color: #0f172a;
  padding: 1px 6px; border-radius: 20px;
}

.sidebar-divider { height: 1px; background: var(--border); margin: 10px 4px; }

.sidebar-footer {
  padding: 12px 8px 0;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}
.sidebar-version {
  font-size: 9px; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-faint); font-weight: 700;
}

/* Collapsed */
body.sidebar-collapsed #sidebar { transform: translateX(calc(-1 * var(--sidebar-w))); }
body.sidebar-collapsed #main-content { margin-left: 0; }

/* ═══════════════════════════════════════════════════════
   MAIN CONTENT
═══════════════════════════════════════════════════════ */
#main-content {
  margin-left: var(--sidebar-w);
  margin-top: var(--topbar-h);
  min-height: calc(100vh - var(--topbar-h));
  padding: 32px 36px;
  transition: margin-left 0.28s cubic-bezier(0.4,0,0.2,1);
}

/* ═══════════════════════════════════════════════════════
   PAGES
═══════════════════════════════════════════════════════ */
.page { display: none; }
.page.active { display: block; animation: pageIn 0.3s cubic-bezier(0.4,0,0.2,1); }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

.page-header {
  display: flex; justify-content: space-between;
  align-items: flex-start; margin-bottom: 32px;
  flex-wrap: wrap; gap: 14px;
}
.page-header-inline {
  display: flex; justify-content: space-between;
  align-items: flex-start; margin-bottom: 24px;
  flex-wrap: wrap; gap: 14px;
}
.page-title {
  font-size: 24px; font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.025em; line-height: 1.15;
}
/* Gradient title accent */
.page-title-accent {
  background: var(--grad-brand);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-subtitle {
  font-size: 13px; color: var(--text-secondary);
  margin-top: 5px; max-width: 620px; line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════
   CARDS — glassmorphism
═══════════════════════════════════════════════════════ */
.card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
  transition: var(--ease);
}
.card::before {
  content: ''; position: absolute;
  inset: 0; border-radius: inherit;
  background: var(--grad-card);
  pointer-events: none;
}
.card:hover { border-color: var(--border-medium); }
.card-glow:hover { box-shadow: var(--cyan-glow); }

.card-header {
  display: flex; justify-content: space-between;
  align-items: flex-start; margin-bottom: 18px;
}
.card-title {
  font-size: 14px; font-weight: 700;
  color: var(--text-primary); letter-spacing: -0.01em;
}
.card-subtitle {
  font-size: 10px; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-muted);
  font-weight: 700; margin-top: 3px;
}

/* ═══════════════════════════════════════════════════════
   STAT CARDS
═══════════════════════════════════════════════════════ */
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-bottom: 32px;
}
.stat-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 20px 22px;
  text-align: center;
  position: relative; overflow: hidden;
  transition: var(--ease);
}
.stat-card::after {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad-brand); opacity: 0;
  transition: var(--ease);
}
.stat-card:hover::after { opacity: 1; }
.stat-card:hover { border-color: var(--border-accent); transform: translateY(-2px); }
.stat-value {
  font-size: 30px; font-weight: 900;
  background: var(--grad-brand);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--mono); line-height: 1; margin-bottom: 6px;
}
.stat-label {
  font-size: 10px; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-muted); font-weight: 700;
}

/* ═══════════════════════════════════════════════════════
   HERO SECTION (Home page)
═══════════════════════════════════════════════════════ */
.hero-section {
  position: relative;
  padding: 48px 0 40px;
  margin-bottom: 40px;
  overflow: hidden;
}
.hero-bg-canvas {
  position: absolute; inset: 0;
  pointer-events: none; z-index: 0;
}
.hero-content { position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid var(--border-accent);
  padding: 5px 14px; border-radius: 20px;
  margin-bottom: 18px;
}
.hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan); animation: blink 2s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

.hero-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900; letter-spacing: -0.03em;
  line-height: 1.1; margin-bottom: 16px;
}
.hero-title .grad {
  background: var(--grad-brand);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 15px; color: var(--text-secondary);
  max-width: 560px; line-height: 1.7; margin-bottom: 28px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-feature-pills {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-top: 28px;
}
.feature-pill {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 600;
  padding: 5px 12px; border-radius: 20px;
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
  transition: var(--ease);
}
.feature-pill:hover { border-color: var(--border-accent); color: var(--cyan); }
.feature-pill i { font-size: 10px; color: var(--cyan); }

/* ═══════════════════════════════════════════════════════
   PROJECT CARDS
═══════════════════════════════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 20px;
}
.project-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 22px;
  transition: var(--ease-slow);
  cursor: pointer; position: relative; overflow: hidden;
}
.project-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-brand); opacity: 0;
  transition: var(--ease);
}
.project-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(34,211,238,0.1), 0 2px 12px rgba(0,0,0,0.4);
}
.project-card:hover::before { opacity: 1; }

.project-card-header {
  display: flex; justify-content: space-between;
  align-items: flex-start; margin-bottom: 8px;
}
.project-card-name {
  font-size: 15px; font-weight: 700;
  color: var(--text-primary); line-height: 1.3;
}
.project-card-desc {
  font-size: 12px; color: var(--text-secondary);
  line-height: 1.55; margin-bottom: 14px;
}

.project-status-badge {
  font-size: 9px; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.1em;
  padding: 3px 9px; border-radius: 20px; flex-shrink: 0;
}
.status-active   { background: rgba(16,185,129,0.12); color: var(--green); border: 1px solid rgba(16,185,129,0.25); }
.status-draft    { background: var(--amber-dim); color: var(--amber); border: 1px solid rgba(245,158,11,0.25); }
.status-archived { background: rgba(255,255,255,0.04); color: var(--text-muted); border: 1px solid var(--border); }

.project-card-meta { display: flex; gap: 14px; margin-bottom: 12px; flex-wrap: wrap; }
.project-meta-item {
  display: flex; align-items: center; gap: 5px;
  font-size: 11px; color: var(--text-muted);
}
.project-meta-item i { font-size: 10px; color: var(--cyan); }
.project-meta-item strong { color: var(--text-secondary); font-weight: 600; }

.project-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.tag {
  font-size: 10px; padding: 2px 9px; border-radius: 20px;
  background: rgba(99,102,241,0.1);
  color: #a5b4fc;
  border: 1px solid rgba(99,102,241,0.2); font-weight: 600;
}

.project-card-actions {
  display: flex; gap: 8px;
  border-top: 1px solid var(--border); padding-top: 14px;
}

/* ═══════════════════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--r-md);
  font-size: 13px; font-weight: 600;
  transition: var(--ease); white-space: nowrap;
  border: 1px solid transparent;
  position: relative; overflow: hidden;
}
.btn::after {
  content: ''; position: absolute;
  inset: 0; background: rgba(255,255,255,0);
  transition: var(--ease);
}
.btn:hover::after { background: rgba(255,255,255,0.05); }
.btn i { font-size: 12px; flex-shrink: 0; }

.btn-primary {
  background: var(--grad-brand);
  color: #040b14; border-color: transparent;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(34,211,238,0.25);
}
.btn-primary:hover { box-shadow: 0 6px 28px rgba(34,211,238,0.45); transform: translateY(-1px); }

.btn-secondary {
  background: rgba(34,211,238,0.06);
  color: var(--text-secondary);
  border-color: var(--border-medium);
}
.btn-secondary:hover { color: var(--cyan); border-color: var(--border-accent); background: var(--cyan-dim); }

.btn-outline {
  background: transparent; color: var(--cyan);
  border-color: var(--border-accent);
}
.btn-outline:hover { background: var(--cyan-dim); box-shadow: var(--cyan-glow); }

.btn-ghost {
  background: transparent; color: var(--text-secondary);
  border-color: transparent; padding: 8px 14px;
}
.btn-ghost:hover { background: rgba(255,255,255,0.04); color: var(--text-primary); }

.btn-danger { background: var(--red-dim); color: var(--red); border-color: rgba(239,68,68,0.25); }
.btn-danger:hover { background: rgba(239,68,68,0.2); }

.btn-gradient {
  background: var(--grad-brand); color: #040b14; font-weight: 700;
  box-shadow: 0 4px 20px rgba(34,211,238,0.3);
}
.btn-gradient:hover { box-shadow: 0 8px 32px rgba(34,211,238,0.5); transform: translateY(-2px); }

.btn-sm  { padding: 6px 14px; font-size: 12px; border-radius: var(--r-sm); }
.btn-lg  { padding: 13px 28px; font-size: 15px; border-radius: var(--r-lg); }
.btn-xl  { padding: 16px 36px; font-size: 16px; border-radius: var(--r-lg); font-weight: 800; }
.btn:disabled { opacity: 0.38; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

.icon-btn {
  width: 36px; height: 36px; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); border: 1px solid var(--border);
  background: transparent; font-size: 14px; transition: var(--ease);
}
.icon-btn:hover { color: var(--cyan); border-color: var(--border-accent); background: var(--cyan-dim); }

/* ═══════════════════════════════════════════════════════
   FORMS
═══════════════════════════════════════════════════════ */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 7px;
}
.required { color: var(--red); }
.form-input {
  width: 100%; background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border-medium);
  border-radius: var(--r-md); padding: 10px 14px;
  color: var(--text-primary); font-size: 13px;
  transition: var(--ease); resize: vertical;
}
.form-input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1), var(--cyan-glow);
}
.form-input::placeholder { color: var(--text-muted); }
select.form-input { appearance: none; cursor: pointer; }
.form-hint { font-size: 11px; color: var(--text-muted); margin-top: 5px; line-height: 1.5; }

/* Range */
.range-slider { display: flex; flex-direction: column; gap: 8px; }
.range-slider input[type="range"] {
  width: 100%; height: 4px;
  background: var(--bg-elevated); border-radius: 4px;
  appearance: none; cursor: pointer; accent-color: var(--cyan);
}
.range-label { display: flex; justify-content: space-between; }
.range-label span { font-size: 11px; color: var(--text-muted); font-weight: 600; }
.range-value {
  font-family: var(--mono); color: var(--cyan) !important;
  background: var(--cyan-dim); padding: 1px 8px;
  border-radius: 4px; border: 1px solid var(--border-accent);
}

/* ═══════════════════════════════════════════════════════
   MODALS
═══════════════════════════════════════════════════════ */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(4, 11, 20, 0.8);
  backdrop-filter: blur(8px) saturate(120%);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 20px; animation: fadeIn 0.15s ease;
}
.modal-backdrop.hidden { display: none; }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }

.modal {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--border-medium);
  border-radius: var(--r-2xl);
  width: 100%; max-width: 560px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 32px 80px rgba(0,0,0,0.15), 0 0 0 1px rgba(59, 130, 246, 0.1);
  animation: modalIn 0.25s cubic-bezier(0.4,0,0.2,1);
}
@keyframes modalIn {
  from{opacity:0;transform:scale(0.96) translateY(8px)}
  to{opacity:1;transform:none}
}
.modal-sm { max-width: 420px; }
.modal-lg { max-width: 820px; }
.modal-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 22px 24px 0;
}
.modal-header h2 { font-size: 17px; font-weight: 800; color: var(--text-primary); }
.modal-subtitle { font-size: 12px; color: var(--text-secondary); margin-top: 3px; }
.modal-body { padding: 20px 24px; }
.modal-footer {
  display: flex; justify-content: flex-end; gap: 8px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}
.modal-text { font-size: 13px; color: var(--text-secondary); margin-bottom: 18px; line-height: 1.65; }

/* ═══════════════════════════════════════════════════════
   TOASTS
═══════════════════════════════════════════════════════ */
#toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 999; display: flex; flex-direction: column; gap: 8px;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px; border-radius: var(--r-md);
  background: rgba(12, 26, 46, 0.96);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-medium);
  font-size: 13px; font-weight: 600;
  color: #f8fafc;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  animation: toastIn 0.2s cubic-bezier(0.4,0,0.2,1);
  min-width: 260px; max-width: 360px;
}
.toast.success { border-color: rgba(16,185,129,0.35); }
.toast.error   { border-color: rgba(239,68,68,0.35); }
.toast.info    { border-color: var(--border-accent); }
.toast i { font-size: 14px; flex-shrink: 0; }
.toast.success i { color: var(--green); }
.toast.error   i { color: var(--red); }
.toast.info    i { color: var(--cyan); }
@keyframes toastIn { from{opacity:0;transform:translateY(10px) scale(0.96)} to{opacity:1;transform:none} }

/* ═══════════════════════════════════════════════════════
   EMPTY STATE
═══════════════════════════════════════════════════════ */
.empty-state { text-align: center; padding: 80px 20px; }
.empty-icon {
  width: 88px; height: 88px; margin: 0 auto 20px;
  background: var(--bg-glass); border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 34px; color: var(--cyan);
  box-shadow: 0 0 40px rgba(34,211,238,0.08);
}
.empty-state h3 { font-size: 20px; font-weight: 800; margin-bottom: 10px; }
.empty-state p { color: var(--text-secondary); font-size: 14px; margin-bottom: 24px; max-width: 400px; margin-left: auto; margin-right: auto; line-height: 1.65; }

/* ═══════════════════════════════════════════════════════
   UPLOAD PAGE
═══════════════════════════════════════════════════════ */
.upload-zone {
  border: 2px dashed var(--border-medium);
  border-radius: var(--r-xl);
  padding: 56px 40px; text-align: center;
  transition: var(--ease-slow); cursor: pointer;
  background: rgba(34,211,238,0.02);
  position: relative;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--cyan);
  background: rgba(34,211,238,0.04);
  box-shadow: 0 0 0 4px rgba(34,211,238,0.06), inset 0 0 40px rgba(34,211,238,0.03);
}
.upload-zone-icon {
  width: 76px; height: 76px; margin: 0 auto 18px;
  background: var(--bg-elevated); border: 1px solid var(--border-medium);
  border-radius: var(--r-xl);
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; color: var(--text-muted); transition: var(--ease);
}
.upload-zone:hover .upload-zone-icon { background: var(--cyan-dim); color: var(--cyan); border-color: var(--border-accent); box-shadow: var(--cyan-glow); }
.upload-zone h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.upload-zone p  { font-size: 13px; color: var(--text-secondary); }
.upload-format-chip {
  display: inline-block; margin-top: 14px;
  padding: 5px 14px;
  background: var(--bg-elevated); border: 1px solid var(--border-medium);
  border-radius: 20px; font-size: 11px; color: var(--text-muted);
  font-weight: 600; letter-spacing: 0.06em; font-family: var(--mono);
}

.upload-success {
  display: flex; flex-direction: column; align-items: center;
  gap: 14px; padding: 48px 20px;
}
.upload-success-icon {
  width: 76px; height: 76px;
  background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; color: var(--green);
  box-shadow: 0 0 28px rgba(16,185,129,0.2);
}
.upload-file-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 18px;
  background: var(--bg-elevated); border: 1px solid var(--border-medium);
  border-radius: var(--r-md); font-size: 13px; font-weight: 600; color: var(--text-primary);
  font-family: var(--mono);
}
.upload-file-chip i { color: var(--cyan); }

/* Public data source cards */
.data-source-cards {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
}
.data-source-card {
  background: var(--bg-glass); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 16px;
  cursor: pointer; transition: var(--ease);
  display: flex; align-items: flex-start; gap: 12px;
}
.data-source-card:hover { border-color: var(--border-accent); background: rgba(34,211,238,0.04); transform: translateY(-1px); }
.data-source-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: var(--r-sm); border: 1px solid var(--border-medium);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; transition: var(--ease);
}
.data-source-card:hover .data-source-icon { border-color: var(--border-accent); box-shadow: var(--cyan-glow); }
.data-source-name { font-size: 13px; font-weight: 700; color: var(--text-primary); margin-bottom: 3px; }
.data-source-desc { font-size: 11px; color: var(--text-secondary); line-height: 1.5; }
.data-source-badge {
  font-size: 9px; font-weight: 800; text-transform: uppercase;
  padding: 2px 6px; border-radius: 4px;
  background: var(--green-dim); color: var(--green);
  border: 1px solid rgba(16,185,129,0.2); margin-top: 4px; display: inline-block;
}

.upload-format-cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 20px;
}
.format-card {
  background: var(--bg-glass); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 18px 16px;
  cursor: pointer; transition: var(--ease); text-align: left;
}
.format-card:hover { border-color: var(--border-accent); background: rgba(34,211,238,0.04); box-shadow: 0 4px 20px rgba(34,211,238,0.08); }
.format-card-icon { font-size: 22px; margin-bottom: 10px; }
.format-card-name { font-size: 13px; font-weight: 700; margin-bottom: 4px; color: var(--text-primary); }
.format-card-desc { font-size: 11px; color: var(--text-secondary); line-height: 1.5; }

.sample-data-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 16px;
}
.sample-data-card { padding: 16px; }
.sample-data-header {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px;
}
.sample-data-note {
  font-size: 11px; color: var(--text-muted); margin-bottom: 10px;
}
.sample-data-actions {
  display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end;
}
.sample-data-actions .btn { white-space: nowrap; }
.sample-preview {
  border-top: 1px dashed var(--border); padding-top: 10px; color: var(--text-secondary);
}
.sample-preview summary {
  cursor: pointer; font-size: 11px; font-weight: 700; color: var(--text-muted); margin-bottom: 8px;
}
.sample-preview pre {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 12px; font-size: 10px;
  overflow: auto; max-height: 160px; line-height: 1.6; font-family: var(--mono);
}

/* ═══════════════════════════════════════════════════════
   PIPELINE STEPS
═══════════════════════════════════════════════════════ */
.pipeline-steps { display: flex; flex-direction: column; gap: 10px; }
.pipeline-step {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border: 1px solid var(--border);
  border-radius: var(--r-lg); transition: var(--ease);
  background: rgba(255,255,255,0.01);
}
.pipeline-step.step-running { border-color: var(--border-accent); background: rgba(34,211,238,0.03); box-shadow: 0 0 16px rgba(34,211,238,0.08); }
.pipeline-step.step-done    { border-color: rgba(16,185,129,0.3); background: rgba(16,185,129,0.04); }
.pipeline-step.step-error   { border-color: rgba(239,68,68,0.3);  background: rgba(239,68,68,0.04); }

.step-indicator {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 14px;
}
.step-indicator.pending  { background: var(--bg-elevated); color: var(--text-muted); border: 1px solid var(--border-medium); }
.step-indicator.running  { background: var(--cyan-dim); color: var(--cyan); border: 1px solid var(--border-accent); animation: pulseStep 1.5s infinite; }
.step-indicator.done     { background: var(--green-dim); color: var(--green); border: 1px solid rgba(16,185,129,0.3); }
.step-indicator.error    { background: var(--red-dim); color: var(--red); border: 1px solid rgba(239,68,68,0.3); }
@keyframes pulseStep { 0%,100%{box-shadow:none} 50%{box-shadow:0 0 14px rgba(34,211,238,0.5)} }

.step-info  { flex: 1; }
.step-name  { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.step-desc  { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }
.step-status-text { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.step-status-text.pending { color: var(--text-muted); }
.step-status-text.running { color: var(--cyan); }
.step-status-text.done    { color: var(--green); }
.step-status-text.error   { color: var(--red); }

.validate-summary { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 20px; }
.validate-summary-item { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 16px; text-align: center; }
.validate-summary-val { font-size: 24px; font-weight: 900; font-family: var(--mono); background: var(--grad-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; margin-bottom: 4px; }
.validate-summary-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); font-weight: 700; }

/* Animations */
.spin { animation: spin 1s linear infinite; }
@keyframes spin { from{transform:rotate(0)} to{transform:rotate(360deg)} }

/* ═══════════════════════════════════════════════════════
   LEGENDARY PAGE
═══════════════════════════════════════════════════════ */
.legendary-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px; margin-bottom: 24px;
}
.legendary-card { background: var(--bg-card); }
.legendary-header { display: flex; gap: 14px; align-items: center; margin-bottom: 16px; }
.legendary-icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px; background: var(--icon-bg);
}
.legendary-title h3 { font-size: 16px; font-weight: 800; color: var(--text-primary); margin-bottom: 4px; }
.legendary-title p { font-size: 12px; color: var(--text-secondary); }
.legendary-content { display: flex; flex-direction: column; gap: 12px; }
.feature-list { display: flex; flex-direction: column; gap: 8px; }
.feature-item { display: flex; align-items: flex-start; gap: 10px; font-size: 12px; color: var(--text-secondary); }
.feature-item i { color: var(--cyan); margin-top: 2px; }
.legendary-info .info-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-xl);
  padding: 18px 20px;
}
.legendary-info h4 { font-size: 14px; font-weight: 800; color: var(--text-primary); margin-bottom: 6px; }
.legendary-info p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; }

.legendary-panels { display: flex; flex-direction: column; gap: 20px; margin: 24px 0; }
.legendary-panel .panel-header { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.legendary-panel h3 { font-size: 16px; font-weight: 800; color: var(--text-primary); }
.legendary-panel p { color: var(--text-secondary); font-size: 13px; }
.panel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.panel-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 6px; display: block; }
.panel-textarea {
  width: 100%; min-height: 120px; resize: vertical;
  background: #ffffff; border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 10px 12px; font-size: 13px; color: var(--text-primary);
}
.panel-output {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 12px; min-height: 120px; font-size: 13px; color: var(--text-primary);
}
.panel-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.panel-hint { font-size: 11px; color: var(--text-muted); margin-top: 6px; }
.panel-subtitle { font-size: 11px; color: var(--text-muted); margin-top: 8px; }
.panel-history { margin-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.history-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-md); padding: 10px; }
.history-q { font-size: 12px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.history-a { font-size: 12px; color: var(--text-secondary); }
.history-time { font-size: 10px; color: var(--text-muted); margin-top: 4px; }

.prompt-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chip-btn {
  background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--text-secondary); font-size: 11px; padding: 6px 10px;
  border-radius: 999px; cursor: pointer; transition: var(--ease);
}
.chip-btn:hover { border-color: var(--border-accent); color: var(--text-primary); }

.concept-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-md); padding: 12px; margin-bottom: 10px; }
.concept-term { font-size: 13px; font-weight: 800; color: var(--text-primary); margin-bottom: 4px; }
.concept-desc { font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.concept-tip { font-size: 11px; color: var(--text-muted); display: flex; gap: 6px; align-items: flex-start; }

.badge-shelf { margin-top: 14px; }
.badge-grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.badge-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-md); padding: 10px; }
.badge-title { font-size: 12px; font-weight: 700; color: var(--text-primary); }
.badge-desc { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }
.badge-empty { font-size: 11px; color: var(--text-muted); }

.panel-select {
  width: 100%; background: #ffffff; border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 8px 10px; font-size: 12px;
  color: var(--text-primary); margin-bottom: 10px;
}

.lab-output { margin-top: 14px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 14px; }
.lab-output-header h4 { font-size: 13px; font-weight: 800; color: var(--text-primary); margin-bottom: 4px; }
.lab-output-header p { font-size: 11px; color: var(--text-secondary); margin-bottom: 10px; }
.gel-preview { display: grid; grid-template-columns: repeat(auto-fit, minmax(80px, 1fr)); gap: 12px; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--r-md); padding: 12px; }
.gel-lane { position: relative; height: 120px; background: rgba(15,23,42,0.06); border-radius: var(--r-sm); border: 1px solid var(--border-subtle); overflow: hidden; }
.gel-band { position: absolute; left: 8px; right: 8px; height: 6px; background: rgba(59,130,246,0.7); border-radius: 999px; box-shadow: 0 0 6px rgba(59,130,246,0.4); }
.gel-label { position: absolute; bottom: 4px; left: 0; right: 0; text-align: center; font-size: 10px; color: var(--text-muted); }

.mentor-kit { margin-top: 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 16px; }
.mentor-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.quiz-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 18px; }
.quiz-meta { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 8px; }
.quiz-options { display: grid; gap: 10px; margin-top: 12px; }
.quiz-option {
  border: 1px solid var(--border); background: #ffffff; border-radius: var(--r-md);
  padding: 10px 12px; text-align: left; font-size: 13px; color: var(--text-primary); font-weight: 600;
}
.quiz-option:hover { border-color: var(--border-accent); }
.quiz-status { margin-top: 10px; font-size: 12px; color: var(--text-secondary); }
.quiz-finish { text-align: center; }

.lab-module { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 16px; margin-bottom: 12px; }
.lab-header { display: flex; justify-content: space-between; gap: 12px; align-items: center; flex-wrap: wrap; }
.lab-header h4 { font-size: 14px; font-weight: 800; color: var(--text-primary); margin-bottom: 4px; }
.lab-header p { font-size: 12px; color: var(--text-secondary); }
.lab-steps { display: grid; gap: 10px; margin-top: 12px; }
.lab-step {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: 10px 12px;
}
.lab-step.active {
  border-color: var(--border-accent);
  background: var(--grad-card);
  color: var(--text-primary);
  box-shadow: var(--cyan-glow);
}
.lab-step.done { color: var(--green); font-weight: 600; }
.lab-step-img {
  width: 72px;
  height: 54px;
  border-radius: 12px;
  flex-shrink: 0;
  border: 1px solid var(--border-medium);
  background: #ffffff;
}
.lab-step-title { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 4px; }
.lab-step-text { font-size: 12px; color: inherit; }
.progress-bar { height: 6px; background: var(--bg-elevated); border-radius: 999px; overflow: hidden; margin-top: 10px; }
.progress-bar span { display: block; height: 100%; background: var(--grad-brand); }

.viz-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin-bottom: 12px; }
.viz-summary-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-md); padding: 10px; }
.viz-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }
.viz-value { font-size: 12px; font-weight: 700; color: var(--text-primary); margin-top: 4px; }

.protein-viewer { width: 100%; height: 240px; border-radius: var(--r-md); border: 1px solid var(--border); background: #ffffff; }

.learning-progress { margin-bottom: 14px; }
.progress-meta { font-size: 12px; color: var(--text-secondary); margin-top: 6px; }
.learning-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.learning-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 14px; }
.learning-card h4 { font-size: 14px; font-weight: 800; color: var(--text-primary); margin-bottom: 6px; }
.learning-card p { font-size: 12px; color: var(--text-secondary); margin-bottom: 10px; }

/* ═══════════════════════════════════════════════════════
   EXPLORE PAGE
═══════════════════════════════════════════════════════ */
.explore-controls-top { display: flex; gap: 8px; align-items: center; }
.explore-filters { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.explore-viz-tabs {
  display: flex; gap: 4px; flex-wrap: wrap;
  background: rgba(7,15,30,0.8); padding: 4px;
  border-radius: var(--r-md); border: 1px solid var(--border);
  margin-bottom: 20px; width: 100%;
}
.viz-tab {
  display: flex; align-items: center; gap: 7px;
  padding: 7px 16px; border-radius: var(--r-sm);
  font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-muted); transition: var(--ease);
}
.viz-tab:hover { color: var(--text-secondary); }
.viz-tab.active { background: var(--grad-brand); color: #040b14; box-shadow: 0 2px 12px rgba(34,211,238,0.3); }

.chart-container {
  background: var(--bg-glass); backdrop-filter: blur(12px);
  border: 1px solid var(--border); border-radius: var(--r-xl); padding: 22px;
}
.chart-canvas-wrap { position: relative; }

/* Variant table */
.variant-table-wrap { overflow-x: auto; border-radius: var(--r-md); }
.variant-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.variant-table th {
  background: rgba(7,15,30,0.9); padding: 10px 14px;
  text-align: left; font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-muted); border-bottom: 1px solid var(--border);
  white-space: nowrap; cursor: pointer; user-select: none;
  transition: var(--ease);
}
.variant-table th:hover { color: var(--cyan); }
.variant-table th i { margin-left: 4px; font-size: 9px; }
.variant-table td {
  padding: 10px 14px; border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary); white-space: nowrap; transition: var(--ease);
}
.variant-table tr:hover td { background: rgba(34,211,238,0.04); color: var(--text-primary); cursor: pointer; }
.mono { font-family: var(--mono); font-size: 11px; }
.significant-chip { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; }
.sig-yes { background: rgba(34,211,238,0.1); color: var(--cyan); border: 1px solid var(--border-accent); }
.sig-no  { background: rgba(255,255,255,0.04); color: var(--text-muted); border: 1px solid var(--border); }

.table-pagination { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; font-size: 12px; color: var(--text-muted); }
.pagination-btns { display: flex; gap: 6px; }

/* Variant detail modal */
.variant-detail-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-bottom: 20px; }
.variant-detail-item { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--r-md); padding: 14px; }
.variant-detail-label { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 5px; }
.variant-detail-value { font-size: 15px; font-weight: 700; color: var(--text-primary); font-family: var(--mono); }
.variant-detail-value.highlight { color: var(--cyan); }

/* ═══════════════════════════════════════════════════════
   AI INSIGHTS
═══════════════════════════════════════════════════════ */
.disclaimer-badge {
  display: flex; align-items: center; gap: 7px;
  padding: 7px 14px;
  background: var(--amber-dim); border: 1px solid rgba(245,158,11,0.3);
  border-radius: var(--r-md); font-size: 11px; font-weight: 700;
  color: var(--amber); text-transform: uppercase; letter-spacing: 0.05em;
}
.disclaimer-inline { font-size: 10px; color: var(--amber); opacity: 0.7; margin-top: 8px; display: flex; align-items: center; gap: 5px; font-weight: 600; }

.ai-output {
  background: rgba(4,11,20,0.6); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 18px; min-height: 100px;
  font-size: 13px; line-height: 1.75; color: #e2e8f0;
}
.ai-output p { margin-bottom: 12px; }
.ai-output p:last-child { margin-bottom: 0; }
.ai-output strong { color: var(--text-primary); }
.ai-placeholder { color: #cbd5f5; font-style: italic; text-align: center; padding: 24px; }
.ai-loading { display: flex; align-items: center; gap: 10px; padding: 18px; color: var(--cyan); font-weight: 600; font-size: 13px; }

.variant-ai-section { margin-top: 18px; }
.variant-ai-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.ai-header-left { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.06em; }
.ai-header-left i { color: var(--cyan); }

.insight-card { background: var(--bg-glass); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 20px; margin-bottom: 16px; transition: var(--ease); }
.insight-card:hover { border-color: var(--border-medium); }
.insight-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.insight-card p { color: #e2e8f0; }
.insight-card span { color: #e2e8f0; }
.insight-type-badge { font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; padding: 3px 9px; border-radius: 20px; }
.type-summary { background: var(--cyan-dim); color: var(--cyan); border: 1px solid var(--border-accent); }
.type-variant { background: var(--purple-dim); color: var(--purple); border: 1px solid rgba(168,85,247,0.3); }
.insight-meta { font-size: 11px; color: #cbd5f5; margin-top: 3px; }

.api-key-note { display: flex; align-items: flex-start; gap: 8px; padding: 12px 14px; background: var(--cyan-dim); border: 1px solid var(--border-accent); border-radius: var(--r-md); font-size: 12px; color: var(--text-secondary); line-height: 1.5; margin-top: 4px; }
.api-key-note i { color: var(--cyan); flex-shrink: 0; margin-top: 2px; }

/* Glossary tooltip */
.glossary-term {
  border-bottom: 1px dashed var(--cyan);
  color: var(--cyan-bright); cursor: help;
  position: relative;
}
.glossary-term:hover::after {
  content: attr(data-tip);
  position: absolute; bottom: 100%; left: 0;
  transform: translateY(-6px);
  background: rgba(12,26,46,0.97);
  border: 1px solid var(--border-accent);
  border-radius: var(--r-md);
  padding: 8px 12px;
  font-size: 11px; color: var(--text-secondary);
  white-space: normal; min-width: 220px; max-width: 320px;
  line-height: 1.5; z-index: 50;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  font-style: normal; font-weight: 400;
}

/* ═══════════════════════════════════════════════════════
   GLOSSARY PAGE
═══════════════════════════════════════════════════════ */
.glossary-hero {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 20px; border-radius: var(--r-xl); border: 1px solid var(--border);
  background: linear-gradient(120deg, rgba(34,211,238,0.12), rgba(99,102,241,0.12));
  margin-bottom: 24px;
}
.glossary-hero h2 { margin: 0 0 6px; font-size: 20px; }
.glossary-hero p { margin: 0; color: var(--text-secondary); font-size: 13px; }
.glossary-tip {
  display: flex; align-items: center; gap: 10px; padding: 12px 14px;
  background: var(--bg-glass); border: 1px solid var(--border); border-radius: var(--r-md);
  font-size: 12px; color: var(--text-secondary);
}
.glossary-tip i { color: var(--cyan); }

.glossary-section { margin-bottom: 18px; }
.glossary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }
.glossary-card {
  background: rgba(9,18,32,0.92); border: 1px solid var(--border-medium); border-radius: var(--r-lg);
  padding: 16px; min-height: 120px;
}
.glossary-card h3 { margin: 0 0 8px; font-size: 14px; color: #f8fafc; }
.glossary-card p { margin: 0; font-size: 12.5px; color: #e2e8f0; line-height: 1.65; }

.imaging-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.imaging-card {
  background: rgba(4,11,20,0.75);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px;
  min-height: 220px;
}
.imaging-card svg {
  width: 100%;
  height: 140px;
  margin: 10px 0 12px;
}
.imaging-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}
.imaging-card p {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .glossary-hero { flex-direction: column; align-items: flex-start; }
}

/* ═══════════════════════════════════════════════════════
   REPORTS PAGE
═══════════════════════════════════════════════════════ */
.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.report-section { background: var(--bg-glass); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 22px; }
.report-section-title { font-size: 13px; font-weight: 700; color: var(--cyan); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 8px; }
.report-kv { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid var(--border-subtle); font-size: 12px; }
.report-kv:last-child { border-bottom: none; }
.report-kv-key { color: #e2e8f0; }
.report-kv-value { color: #f8fafc; font-weight: 600; font-family: var(--mono); font-size: 11px; }
.report-kv-value.good { color: var(--green); }
.report-kv-value.warn { color: var(--amber); }

/* ═══════════════════════════════════════════════════════
   GUIDE PAGE
═══════════════════════════════════════════════════════ */
.guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.guide-card { background: var(--bg-glass); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 26px; transition: var(--ease); }
.guide-card:hover { border-color: var(--border-accent); box-shadow: 0 4px 24px rgba(34,211,238,0.07); }
.guide-step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--grad-brand); color: #040b14;
  font-size: 16px; font-weight: 900; margin-bottom: 14px;
  box-shadow: 0 4px 16px rgba(34,211,238,0.3);
}
.guide-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.guide-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; margin-bottom: 10px; }
.guide-card ul { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.guide-card ul li { font-size: 12px; color: var(--text-secondary); display: flex; align-items: flex-start; gap: 8px; line-height: 1.5; }
.guide-card ul li::before { content: '→'; color: var(--cyan); flex-shrink: 0; font-weight: 700; }
.guide-format-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.guide-format-table th, .guide-format-table td { padding: 8px 10px; border: 1px solid var(--border); }
.guide-format-table th { background: var(--bg-elevated); font-weight: 700; color: var(--text-muted); text-transform: uppercase; font-size: 10px; letter-spacing: 0.06em; }
.guide-format-table td { color: var(--text-secondary); font-family: var(--mono); font-size: 11px; }
.guide-callout {
  display: flex; gap: 12px; padding: 14px 16px;
  background: var(--cyan-dim); border: 1px solid var(--border-accent);
  border-radius: var(--r-md); font-size: 12px; color: var(--text-secondary); line-height: 1.6;
}
.guide-callout i { color: var(--cyan); font-size: 16px; flex-shrink: 0; margin-top: 1px; }

/* ═══════════════════════════════════════════════════════
   UTILITIES
═══════════════════════════════════════════════════════ */
.hidden  { display: none !important; }
.text-cyan { color: var(--cyan); }
.text-green { color: var(--green); }
.text-amber { color: var(--amber); }
.text-red   { color: var(--red); }
.text-muted { color: var(--text-muted); }
.text-mono  { font-family: var(--mono); }
.fw-bold { font-weight: 700; }
.fw-black { font-weight: 900; }
.mt-2 { margin-top: 8px; }  .mt-4 { margin-top: 16px; } .mt-6 { margin-top: 24px; } .mt-8 { margin-top: 32px; }
.mb-2 { margin-bottom: 8px; } .mb-4 { margin-bottom: 16px; } .mb-6 { margin-bottom: 24px; } .mb-8 { margin-bottom: 32px; }
.flex { display: flex; } .flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-2 { gap: 8px; } .gap-3 { gap: 12px; } .gap-4 { gap: 16px; }
.w-full { width: 100%; }
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 20px;
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
}
.section-divider {
  display: flex; align-items: center; gap: 12px; margin: 28px 0;
}
.section-divider::before, .section-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}
.section-divider span { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-muted); }

/* ═══════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════ */
@media (max-width: 1200px) {
  .stats-row { grid-template-columns: repeat(2,1fr); }
  .explore-filters { grid-template-columns: 1fr 1fr; }
  .report-grid { grid-template-columns: 1fr; }
  .guide-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  :root { --sidebar-w: 210px; }
  #main-content { padding: 20px 18px; }
  .variant-detail-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .upload-format-cards { grid-template-columns: 1fr 1fr; }
  .sample-data-grid { grid-template-columns: 1fr; }
  .data-source-cards { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body.sidebar-collapsed #sidebar { transform: none; }
  #sidebar { transform: translateX(calc(-1 * var(--sidebar-w))); }
  #main-content { margin-left: 0; padding: 16px 14px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .explore-filters { grid-template-columns: 1fr; }
  .validate-summary { grid-template-columns: 1fr 1fr; }
  .brand-tagline { display: none; }
  .hero-title { font-size: 26px; }
}

/* ═══════════════════════════════════════════════════════
   PRINT (Report export)
═══════════════════════════════════════════════════════ */
@media print {
  #topbar, #sidebar, .btn, .page-header .btn { display: none !important; }
  #main-content { margin: 0; padding: 20px; }
  body { background: white; color: black; }
  .card, .report-section { border: 1px solid #ccc; background: white; }
}