:root {
  --bg-primary: #0a0c10;
  --bg-card: #12161f;
  --bg-card-hover: #171d28;
  --border-card: #232936;
  --accent-gold: #ffb74d;
  --accent-blue: #38bdf8;
  --accent-teal: #80cbc4;
  --text-main: #f1f5f9;
  --text-sub: #94a3b8;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg-primary);
  color: var(--text-main);
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  padding-bottom: 80px;
}

/* App Header */
.app-header {
  padding: 2rem 2rem 1.5rem;
  border-bottom: 1px solid var(--border-card);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  background: linear-gradient(180deg, #111520 0%, var(--bg-primary) 100%);
}
.sub-tag { font-size: 0.75rem; text-transform: uppercase; color: var(--accent-gold); letter-spacing: 0.08em; display: block; margin-bottom: 0.3rem; }
.app-header h1 { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 0.4rem; }
.header-desc { max-width: 860px; font-size: 0.9rem; color: var(--text-sub); }
.header-actions { display: flex; gap: 0.75rem; }

.pill-action-btn {
  background: #1e2532;
  color: var(--text-main);
  border: 1px solid var(--border-card);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s;
}
.pill-action-btn:hover { border-color: var(--accent-gold); }
.pill-action-btn.active { background: var(--accent-gold); color: #0a0c10; }

/* Stats Bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  padding: 1rem 2rem;
  background: #0d1017;
  border-bottom: 1px solid var(--border-card);
}
.stat-item { display: flex; flex-direction: column; }
.stat-val { font-size: 1.25rem; font-weight: 700; color: var(--accent-blue); font-family: var(--font-mono); }
.stat-lbl { font-size: 0.75rem; color: var(--text-sub); text-transform: uppercase; }

/* Quanta & Brainwave Dashboard */
.quanta-brain-panel {
  background: #0b0e14;
  border: 1px solid var(--border-card);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1.5rem 2rem;
}
.quanta-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #1a2332;
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}
.quanta-header h3 { font-size: 1.3rem; color: #fff; margin-top: 0.2rem; }
.quanta-badge-cluster { display: flex; gap: 1rem; }

.q-metric-pill {
  background: #121824;
  border: 1px solid #233044;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  display: flex;
  flex-direction: column;
}
.q-lbl { font-size: 0.65rem; color: var(--text-sub); }
.q-val { font-size: 1rem; font-weight: 700; color: var(--accent-gold); }

.quanta-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.5rem;
}
.eeg-oscilloscope-box {
  background: #07090e;
  border: 1px solid #1c2637;
  border-radius: 8px;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
}
.box-top {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-sub);
  font-family: var(--font-mono);
  margin-bottom: 0.5rem;
}
.energy-tag { color: var(--accent-teal); }
#eeg-canvas { width: 100%; height: auto; border-radius: 4px; }
.box-bottom { margin-top: 0.5rem; font-size: 0.8rem; font-family: var(--font-mono); color: #cbd5e1; }

.eeg-states-matrix h5 { font-size: 0.85rem; color: var(--text-sub); text-transform: uppercase; margin-bottom: 0.75rem; }
.eeg-btn-stack { display: flex; flex-direction: column; gap: 0.5rem; }
.eeg-state-btn {
  background: #111722;
  border: 1px solid #222e42;
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: center;
  text-align: left;
  transition: all 0.2s;
}
.eeg-state-btn:hover { border-color: var(--accent-blue); background: #172132; }
.eeg-state-btn .b-name { font-weight: 700; font-size: 0.8rem; }
.eeg-state-btn .b-hz { font-size: 0.75rem; color: #fff; font-family: var(--font-mono); }
.eeg-state-btn .b-desc { grid-column: span 2; font-size: 0.7rem; color: var(--text-sub); margin-top: 2px; }

.eeg-state-btn.delta .b-name { color: #ef4444; }
.eeg-state-btn.theta .b-name { color: #a855f7; }
.eeg-state-btn.alpha .b-name { color: #38bdf8; }
.eeg-state-btn.gamma .b-name { color: #4ade80; }

/* Filter & Navigation Bar */
.studio-nav {
  padding: 1rem 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}
.tab-group { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-sub);
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}
.tab-btn.active { color: #fff; border-color: var(--accent-gold); background: #1a202c; }
.tab-btn.bio-tab { background: #182635; border-color: #38bdf8; color: #38bdf8; font-weight: 700; }
.tab-btn.bio-tab.active { background: #38bdf8; color: #0a0c10; }
.tab-count { font-size: 0.75rem; opacity: 0.7; margin-left: 4px; }

.search-sort-bar { display: flex; gap: 0.75rem; flex-grow: 1; max-width: 520px; }
#search-input, #sort-select {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-main);
  padding: 0.5rem 0.8rem;
  border-radius: 6px;
  font-size: 0.85rem;
}
#search-input { flex-grow: 1; }

/* Instrument Cards Grid */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
  padding: 0 2rem 2rem;
}
.inst-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}
.inst-card:hover { transform: translateY(-2px); border-color: var(--accent-blue); background: var(--bg-card-hover); }

.card-top { display: flex; justify-content: space-between; font-size: 0.75rem; margin-bottom: 0.5rem; color: var(--text-sub); }
.badge { text-transform: uppercase; font-weight: 700; padding: 2px 6px; border-radius: 4px; font-size: 0.65rem; }
.badge.tata { background: #3b2d18; color: #ffb74d; }
.badge.avanaddha { background: #381f21; color: #f87171; }
.badge.susira { background: #15332c; color: #4ade80; }
.badge.ghana { background: #1c2b3d; color: #38bdf8; }

.card-title h3 { font-size: 1.15rem; font-weight: 700; color: #fff; }
.devanagari { font-size: 1rem; color: var(--accent-gold); display: block; }
.organology-sub { font-size: 0.8rem; color: var(--text-sub); margin-bottom: 0.75rem; }

.formula-preview {
  background: #090b0e;
  padding: 0.5rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-teal);
  margin-bottom: 0.75rem;
  white-space: nowrap;
  overflow-x: auto;
}
.card-desc { font-size: 0.8rem; color: #cbd5e1; margin-bottom: 1rem; line-height: 1.4; }

.card-footer { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid #1a202c; padding-top: 0.75rem; }
.excite-card-btn {
  background: #1f2937;
  border: 1px solid var(--border-card);
  color: #fff;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
}
.excite-card-btn:hover { background: var(--accent-gold); color: #000; }

/* Bio-Acoustic Laboratory */
.bio-laboratory { padding: 1rem 2rem 3rem; animation: fadeIn 0.2s ease-in-out; }
.bio-panel-header { margin-bottom: 1.5rem; border-bottom: 1px solid var(--border-card); padding-bottom: 0.75rem; }
.bio-panel-header h2 { color: #fff; font-size: 1.5rem; }
.bio-panel-header p { color: var(--text-sub); font-size: 0.85rem; }
.bio-workbench { display: grid; grid-template-columns: 380px 1fr; gap: 2rem; align-items: start; }
.svg-container { background: #090b0e; border: 1px solid var(--border-card); border-radius: 12px; height: 680px; overflow: hidden; }
.bio-telemetry-panel { display: flex; flex-direction: column; gap: 1.5rem; }

.scope-box { background: #0d1117; border: 1px solid var(--border-card); border-radius: 8px; padding: 1rem; }
.scope-box h4 { font-size: 0.85rem; color: var(--accent-gold); margin-bottom: 0.75rem; text-transform: uppercase; font-family: var(--font-mono); }
#ida-pingala-canvas { width: 100%; height: auto; background: #05070a; border: 1px solid #1a2230; border-radius: 6px; }

.telemetry-log {
  background: #0d1117;
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 1.25rem;
  font-family: var(--font-mono);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.telemetry-row { display: flex; justify-content: space-between; font-size: 0.8rem; border-bottom: 1px dashed #1a2433; padding-bottom: 0.35rem; }
.t-label { color: var(--text-sub); }
.t-val { color: var(--accent-teal); font-weight: 700; }

/* Realtime Scope Dock */
.scope-dock {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 52px;
  background: rgba(10, 12, 16, 0.95);
  border-top: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  backdrop-filter: blur(8px);
}
.scope-label { font-size: 0.7rem; color: var(--text-sub); font-family: var(--font-mono); }

/* Modal Drawer */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 1.5rem;
}
.modal-backdrop.open { display: flex; }
.modal-window {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  padding: 2rem;
}
.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-sub);
  font-size: 1.5rem;
  cursor: pointer;
}

.swara-row { display: flex; gap: 0.5rem; overflow-x: auto; margin: 1rem 0; padding-bottom: 0.5rem; }
.swara-btn {
  background: #1a2230;
  border: 1px solid #334155;
  color: #fff;
  padding: 0.5rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 58px;
}
.swara-btn:hover { background: var(--accent-gold); color: #000; }
.swara-hz { font-size: 0.65rem; font-family: var(--font-mono); opacity: 0.7; }

.binary-flow-box { background: #0d1117; border: 1px solid #1f2937; border-radius: 8px; padding: 1rem; margin: 1rem 0; }
.flow-node { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.75rem; }
.flow-badge { background: #1f2733; color: var(--accent-teal); font-family: var(--font-mono); font-size: 0.7rem; padding: 2px 8px; border-radius: 4px; }
.flow-meta h6 { font-size: 0.85rem; color: #fff; }
.flow-meta p { font-size: 0.75rem; color: var(--text-sub); }

.research-subgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1rem; }
.subcard { background: #0c0f14; border: 1px solid #1e2634; padding: 1rem; border-radius: 6px; }
.subcard h4 { font-size: 0.85rem; color: var(--accent-blue); margin-bottom: 0.5rem; }
.subcard ul { list-style: none; font-size: 0.8rem; color: var(--text-sub); }
.subcard li { margin-bottom: 0.3rem; }
.subcard li strong { color: #cbd5e1; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 950px) {
  .quanta-grid { grid-template-columns: 1fr; }
  .bio-workbench { grid-template-columns: 1fr; }
  .svg-container { height: 500px; }
}

/* Bio Lab Telemetry Layout Fix */
.bio-telemetry-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    height: 100%;
}
.scope-box {
    flex: 1;
}
.telemetry-log {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #0d1117;
    border: 1px solid var(--border-card);
    border-radius: 8px;
    padding: 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}