@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ── Design tokens ──────────────────────────────────── */
:root {
  --bg:            #050508;
  --bg-secondary:  #0c0c12;
  --text-primary:  #f3f4f6;
  --text-secondary:#9ca3af;
  --text-tertiary: #6b7280;

  --accent:        #3b82f6;
  --accent-glow:   rgba(59,130,246,0.45);
  --accent2:       #8b5cf6;

  --success:       #22c55e;
  --success-bg:    rgba(34,197,94,0.08);
  --error:         #ef4444;
  --error-bg:      rgba(239,68,68,0.08);
  --warning:       #f59e0b;
  --warning-bg:    rgba(245,158,11,0.08);

  --glass:         rgba(18,18,28,0.55);
  --glass-border:  rgba(255,255,255,0.07);
  --glass-hover:   rgba(255,255,255,0.12);

  --matrix-hc: #10b981;
  --matrix-hw: #ef4444;
  --matrix-mc: #34d399;
  --matrix-mw: #f87171;
  --matrix-lc: #6ee7b7;
  --matrix-lw: #6b7280;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
  cursor: none;
}

h1,h2,h3,h4,h5,h6 { font-family: 'Outfit', sans-serif; letter-spacing: -0.02em; }

/* ── Custom cursor ──────────────────────────────────── */
.custom-cursor {
  position: fixed; top: 0; left: 0;
  width: 18px; height: 18px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  background: white;
  transition: transform 0.12s ease-out;
  transform: translate(-50%, -50%);
}
.custom-cursor.hovering { transform: translate(-50%, -50%) scale(2.4); opacity: 0.85; }

/* ── Background glows ───────────────────────────────── */
.bg-glow {
  position: fixed; top: -20%; left: -10%;
  width: 55vw; height: 55vw;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  filter: blur(100px); opacity: 0.28; z-index: -1; pointer-events: none;
}
.bg-glow-2 {
  position: fixed; bottom: -25%; right: -10%;
  width: 65vw; height: 65vw;
  background: radial-gradient(circle, rgba(139,92,246,0.3) 0%, transparent 65%);
  filter: blur(120px); opacity: 0.28; z-index: -1; pointer-events: none;
}

/* ── Nav bar ────────────────────────────────────────── */
.nav-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--glass-border);
  background: rgba(5,5,8,0.8);
  backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 100;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: 'Outfit', sans-serif; font-size: 1.2rem; font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a {
  color: var(--text-secondary); font-size: 0.875rem; text-decoration: none;
  transition: color 0.2s; cursor: none;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-badge {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  padding: 0.3rem 0.75rem; border-radius: 20px;
  font-size: 0.75rem; font-weight: 600; color: white;
}

/* ── Hero section ───────────────────────────────────── */
.hero-section {
  padding: 3rem 2rem 2rem;
  max-width: 800px; margin: 0 auto; text-align: center;
}
.hero-title {
  font-size: clamp(1.75rem, 4vw, 2.8rem);
  font-weight: 800; line-height: 1.15;
  margin-bottom: 1rem;
}
.hero-sub {
  font-size: 1rem; color: var(--text-secondary);
  line-height: 1.7; max-width: 640px; margin: 0 auto;
}
.title-gradient {
  background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* ── Main grid ──────────────────────────────────────── */
.app-container {
  max-width: 1440px; margin: 0 auto;
  padding: 1.5rem 2rem 3rem;
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1.5rem;
}
@media (max-width: 1024px) {
  .app-container { grid-template-columns: 1fr; }
}

/* ── Glass panel ────────────────────────────────────── */
.glass-panel {
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  transition: border-color 0.25s;
}
.glass-panel:hover { border-color: var(--glass-hover); }

/* ── Button ─────────────────────────────────────────── */
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white; border: none; width: 100%;
  padding: 0.8rem 1.5rem; border-radius: 10px;
  font-family: 'Outfit', sans-serif; font-weight: 600; font-size: 1rem;
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  transition: transform 0.2s, box-shadow 0.2s; cursor: none;
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--accent-glow);
}
.btn-primary:disabled { opacity: 0.45; }

/* ── Select ─────────────────────────────────────────── */
.select-wrapper { position: relative; }
.select-wrapper::after {
  content: '▾'; position: absolute; right: 1rem; top: 50%;
  transform: translateY(-50%); color: var(--text-secondary);
  pointer-events: none; font-size: 0.85rem;
}
.custom-select {
  width: 100%; padding: 0.7rem 2.5rem 0.7rem 1rem;
  background: rgba(0,0,0,0.45); border: 1px solid var(--glass-border);
  border-radius: 8px; color: white; appearance: none;
  font-family: 'Inter', sans-serif; font-size: 0.95rem;
  outline: none; cursor: none; transition: border-color 0.2s;
}
.custom-select:focus { border-color: var(--accent); }

/* ── Task hint ──────────────────────────────────────── */
.task-hint {
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--glass-border);
  border-radius: 8px; padding: 0.75rem 1rem;
}

/* ── Outcome badge ──────────────────────────────────── */
.outcome-badge {
  text-align: center; padding: 0.5rem; border-radius: 8px;
  font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 1rem;
}
.outcome-badge.correct { background: var(--success-bg); color: var(--success); border: 1px solid var(--success); }
.outcome-badge.wrong   { background: var(--error-bg);   color: var(--error);   border: 1px solid var(--error);   }

/* ── Metrics ────────────────────────────────────────── */
.metric-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.6rem 0; border-bottom: 1px solid var(--glass-border);
}
.metric-row:last-child { border-bottom: none; }
.metric-val { font-weight: 600; font-family: 'Outfit', sans-serif; }

/* ── Confidence badge ───────────────────────────────── */
.confidence-badge {
  padding: 0.2rem 0.6rem; border-radius: 20px;
  font-size: 0.8rem; font-weight: 700;
}
.conf-high { background: rgba(239,68,68,0.15); color: var(--error); border: 1px solid var(--error); }
.conf-med  { background: rgba(245,158,11,0.15); color: var(--warning); border: 1px solid var(--warning); }
.conf-low  { background: rgba(107,114,128,0.15); color: #9ca3af; border: 1px solid #6b7280; }

/* ── Calibration matrix ─────────────────────────────── */
.matrix-container {
  display: grid; grid-template-columns: auto 1fr 1fr;
  gap: 1px; background: var(--glass-border);
  border: 1px solid var(--glass-border); border-radius: 10px; overflow: hidden;
}
.matrix-header {
  background: rgba(255,255,255,0.04); padding: 0.65rem;
  text-align: center; font-family: 'Outfit', sans-serif;
  font-size: 0.8rem; font-weight: 500; color: var(--text-secondary);
}
.matrix-label {
  background: rgba(255,255,255,0.02); padding: 1.2rem 0.75rem;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem; color: var(--text-secondary);
}
.matrix-cell {
  background: rgba(8,8,12,0.8); padding: 1.25rem 0.75rem;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
}
.matrix-cell::before {
  content: ''; position: absolute; inset: 0;
  opacity: 0; transition: opacity 0.35s;
}
.matrix-cell.active { transform: scale(1.06); z-index: 2; border-radius: 4px; }
.matrix-cell.active::before { opacity: 0.2; }
.matrix-value {
  font-size: 1.1rem; font-weight: 800;
  font-family: 'Outfit', sans-serif; z-index: 1;
}

.cell-high-correct.active { box-shadow: 0 0 20px rgba(16,185,129,0.5); }
.cell-high-correct.active::before { background: var(--matrix-hc); }
.cell-high-correct.active .matrix-value { color: var(--matrix-hc); }
.cell-high-wrong.active { box-shadow: 0 0 20px rgba(239,68,68,0.6); }
.cell-high-wrong.active::before { background: var(--matrix-hw); }
.cell-high-wrong.active .matrix-value { color: var(--matrix-hw); }
.cell-med-correct.active { box-shadow: 0 0 18px rgba(52,211,153,0.4); }
.cell-med-correct.active::before { background: var(--matrix-mc); }
.cell-med-correct.active .matrix-value { color: var(--matrix-mc); }
.cell-med-wrong.active { box-shadow: 0 0 18px rgba(248,113,113,0.4); }
.cell-med-wrong.active::before { background: var(--matrix-mw); }
.cell-med-wrong.active .matrix-value { color: var(--matrix-mw); }
.cell-low-correct.active { box-shadow: 0 0 16px rgba(110,231,183,0.3); }
.cell-low-correct.active::before { background: var(--matrix-lc); }
.cell-low-correct.active .matrix-value { color: var(--matrix-lc); }
.cell-low-wrong.active::before { background: var(--matrix-lw); }
.cell-low-wrong.active .matrix-value { color: var(--text-secondary); }

/* ── Claim details ──────────────────────────────────── */
.claim-id-tag {
  display: inline-block; padding: 0.2rem 0.6rem;
  background: rgba(59,130,246,0.12); border: 1px solid rgba(59,130,246,0.3);
  border-radius: 6px; font-size: 0.75rem; font-weight: 600; color: var(--accent);
  margin-bottom: 0.5rem; font-family: 'Outfit', sans-serif;
}
.claim-docs {
  list-style: none; display: flex; flex-direction: column; gap: 0.3rem;
}
.claim-docs li { font-size: 0.8rem; color: var(--text-secondary); }
.claim-docs li code {
  background: rgba(255,255,255,0.05); padding: 0.1rem 0.35rem;
  border-radius: 4px; font-size: 0.75rem; color: var(--accent);
}

/* ── Terminal ───────────────────────────────────────── */
.terminal-window {
  background: #000; border-radius: 12px;
  border: 1px solid #2a2a2a; overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
  font-family: 'JetBrains Mono','Fira Code',monospace;
}
.terminal-header {
  background: #1c1c1c; padding: 0.55rem 1rem;
  display: flex; align-items: center; gap: 0.4rem;
  border-bottom: 1px solid #2a2a2a;
}
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red    { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green  { background: #28c840; }
.terminal-body {
  padding: 1rem; min-height: 260px; max-height: 360px;
  overflow-y: auto; color: #9ca3af;
  display: flex; flex-direction: column; gap: 0.85rem;
}
.log-entry { animation: fadeIn 0.28s ease-out; line-height: 1.55; }
.log-action { color: #60a5fa; font-weight: 600; }
.log-reward { color: #34d399; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }

/* ── Court Panel section ─────────────────────────────────── */
.debate-container { transition: all 0.4s ease; }
.debate-active { border-color: rgba(245,158,11,0.4) !important; }
.debate-header {
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.debate-placeholder { opacity: 0.7; }
.debate-preview-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1rem; margin-top: 1rem;
}
.preview-card {
  padding: 1rem; border-radius: 10px;
  font-size: 0.85rem; color: var(--text-secondary);
}
.preview-card strong { display: block; margin-bottom: 0.3rem; font-size: 0.9rem; }
.prosecutor-preview { background: rgba(239,68,68,0.05); border: 1px dashed rgba(239,68,68,0.25); }
.defender-preview   { background: rgba(34,197,94,0.05);  border: 1px dashed rgba(34,197,94,0.25);  }

.debate-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.25rem; margin-bottom: 1.25rem;
}
@media (max-width: 640px) { .debate-grid { grid-template-columns: 1fr; } }

.argument-card {
  padding: 1.25rem; border-radius: 12px;
  background: rgba(0,0,0,0.35);
  animation: slideUp 0.5s ease-out;
}
.argument-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 0.5rem; font-weight: 700;
}
.argument-prosecutor { border-left: 3px solid var(--error); }
.argument-defender   { border-left: 3px solid var(--success); }

.strength-badge {
  font-size: 0.7rem; font-weight: 700; padding: 0.15rem 0.5rem;
  border-radius: 20px; text-transform: uppercase; letter-spacing: 0.05em;
}
.strength-strong   { background: rgba(34,197,94,0.15);  color: var(--success); }
.strength-moderate { background: rgba(245,158,11,0.15); color: var(--warning); }
.strength-weak     { background: rgba(239,68,68,0.15);  color: var(--error);   }

.verdict-box {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.85rem 1.25rem; border-radius: 10px;
  border: 1px solid; font-weight: 700;
  font-family: 'Outfit', sans-serif; font-size: 0.95rem;
  animation: slideUp 0.45s ease-out;
}

/* ── Footer ─────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--glass-border);
  padding: 1.25rem 2rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 0.5rem;
  font-size: 0.8rem; color: var(--text-tertiary);
}
.site-footer a { color: var(--text-secondary); text-decoration: none; cursor: none; }
.site-footer a:hover { color: var(--text-primary); }

/* ── Animations ─────────────────────────────────────── */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.pulse-animation { animation: pulse 1.8s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }

/* ── Scrollbar ──────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.15); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 10px; }

/* ── Utilities ──────────────────────────────────────── */
.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.grid         { display: grid; }
.inline       { display: inline; }
.gap-2        { gap: 0.5rem; }
.gap-4        { gap: 1rem; }
.ml-2         { margin-left: 0.5rem; }
.mr-1         { margin-right: 0.25rem; }
.mr-2         { margin-right: 0.5rem; }
.mb-1         { margin-bottom: 0.25rem; }
.mb-2         { margin-bottom: 0.5rem; }
.mb-3         { margin-bottom: 0.75rem; }
.mb-4         { margin-bottom: 1rem; }
.mt-2         { margin-top: 0.5rem; }
.mt-3         { margin-top: 0.75rem; }
.mt-4         { margin-top: 1rem; }
.pl-6         { padding-left: 1.5rem; }
.p-6          { padding: 1.5rem; }
.p-3          { padding: 0.75rem; }
.text-sm      { font-size: 0.875rem; }
.text-xs      { font-size: 0.75rem; }
.font-medium  { font-weight: 500; }
.font-bold    { font-weight: 700; }
.text-center  { text-align: center; }
.text-secondary  { color: var(--text-secondary); }
.text-error      { color: var(--error); }
.text-warning    { color: var(--warning); }
.rounded-lg   { border-radius: 0.5rem; }
.h-full       { height: 100%; }