/* INSTRUCTOR CONTROL PANEL STYLES */
:root {
  --ctrl-bg: #090D16;
  --ctrl-panel: #0F172A;
  --ctrl-card: #1E293B;
  --ctrl-border: #334155;
  --ctrl-accent: #3B82F6;
  --ctrl-accent-hover: #2563EB;
  --ctrl-danger: #EF4444;
  --ctrl-warning: #F59E0B;
  --ctrl-success: #10B981;
  --ctrl-text: #F8FAFC;
  --ctrl-muted: #94A3B8;
  --mono-font: 'JetBrains Mono', Consolas, Monaco, monospace;
}

body.instructor-body {
  background: var(--ctrl-bg);
  color: var(--ctrl-text);
  font-family: system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}

.instructor-topbar {
  background: var(--ctrl-panel);
  border-bottom: 1px solid var(--ctrl-border);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.instructor-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.instructor-badge {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid #EF4444;
  color: #F87171;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.instructor-grid {
  display: grid;
  grid-template-columns: 360px 1fr 400px;
  gap: 20px;
  padding: 20px;
  max-width: 1700px;
  margin: 0 auto;
}

.ctrl-panel {
  background: var(--ctrl-panel);
  border: 1px solid var(--ctrl-border);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.ctrl-panel-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #F8FAFC;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--ctrl-border);
  padding-bottom: 10px;
}

/* STAGE CONTROLLER */
.stage-card-btn {
  background: var(--ctrl-card);
  border: 1px solid var(--ctrl-border);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 10px;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
  display: block;
  width: 100%;
  color: inherit;
}

.stage-card-btn:hover {
  background: #334155;
  border-color: #475569;
}

.stage-card-btn.active {
  background: rgba(37, 99, 235, 0.2);
  border-color: var(--ctrl-accent);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.stage-card-btn.completed {
  border-left: 4px solid var(--ctrl-success);
}

.stage-btn-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--ctrl-muted);
  margin-bottom: 4px;
}

.stage-btn-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: #F8FAFC;
}

/* ACTION BUTTONS */
.action-box {
  background: var(--ctrl-card);
  border: 1px solid var(--ctrl-border);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 12px;
}

.action-trigger-btn {
  background: var(--ctrl-accent);
  color: #FFF;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.15s ease;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
}

.action-trigger-btn:hover {
  background: var(--ctrl-accent-hover);
}

.action-trigger-btn.done {
  background: #065F46;
  color: #A7F3D0;
  cursor: default;
}

/* TELEPROMPTER / CUES */
.cue-box {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--ctrl-border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.cue-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  color: #38BDF8;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.cue-text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #E2E8F0;
}

.cue-list {
  padding-left: 20px;
  margin-top: 8px;
  font-size: 0.88rem;
  color: #CBD5E1;
}

.cue-list li {
  margin-bottom: 6px;
}

/* LOGS CONSOLE */
.log-stream {
  background: #020617;
  border: 1px solid var(--ctrl-border);
  border-radius: 8px;
  padding: 12px;
  height: 380px;
  overflow-y: auto;
  font-family: var(--mono-font);
  font-size: 0.78rem;
  line-height: 1.6;
}

.log-entry {
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid #1E293B;
  word-break: break-word;
}

.log-time {
  color: #64748B;
  margin-right: 6px;
}

.log-src {
  font-weight: 700;
  color: #38BDF8;
  margin-right: 6px;
}

.log-sev-INFO { color: #94A3B8; }
.log-sev-WARNING { color: #FBBF24; font-weight: 600; }
.log-sev-SECURITY_ALERT { color: #F87171; font-weight: 700; }
.log-sev-CRITICAL { color: #EF4444; font-weight: 800; background: rgba(239, 68, 68, 0.1); padding: 2px 4px; border-radius: 3px; }

/* QUICK BUTTONS */
.quick-nav-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.quick-btn {
  background: var(--ctrl-card);
  border: 1px solid var(--ctrl-border);
  color: #CBD5E1;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.quick-btn:hover {
  background: #334155;
  color: #FFF;
}