/* ═══════════════════════════════════════
   DEVELOPER MODE — AudioHub Dev Tools
   Dark theme · Compact · Responsive
   ═══════════════════════════════════════ */

/* ── Floating Button ── */
.dm-fab {
  position: fixed; bottom: 24px; right: 24px; z-index: 9999;
  width: auto; height: 44px; padding: 0 16px;
  border-radius: 999px; border: none;
  background: #1e293b; color: #f59e0b;
  font-family: 'Nunito', sans-serif; font-size: .82rem; font-weight: 700;
  cursor: pointer; display: flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,.5);
  transition: all .3s cubic-bezier(.4,0,.2,1);
  user-select: none;
}
.dm-fab:hover { background: #334155; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,.6); }
.dm-fab i { font-size: 1rem; }
.dm-fab.is-open { background: #f59e0b; color: #000; }

/* ── Backdrop ── */
.dm-backdrop {
  position: fixed; inset: 0; z-index: 9998;
  background: rgba(0,0,0,.6); backdrop-filter: blur(4px);
  animation: dmFadeIn .2s ease;
  display: none;
}
.dm-backdrop.is-open { display: block; }
@keyframes dmFadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ── Drawer Panel ── */
.dm-drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  z-index: 10000; width: 420px; max-width: 100vw;
  background: #0f172a; border-left: 1px solid rgba(255,255,255,.06);
  display: flex; flex-direction: column;
  transform: translateX(100%); transition: transform .3s cubic-bezier(.4,0,.2,1);
  font-family: 'Nunito', sans-serif;
}
.dm-drawer.is-open { transform: translateX(0); }

/* Header */
.dm-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,.06);
  background: #0f172a; flex-shrink: 0;
}
.dm-header__title {
  font-size: 1rem; font-weight: 800; color: #f59e0b;
  display: flex; align-items: center; gap: 8px;
}
.dm-header__title i { font-size: 1.1rem; }
.dm-header__close {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,.05); border: none;
  color: #94a3b8; cursor: pointer; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.dm-header__close:hover { background: rgba(255,255,255,.1); color: #f1f5f9; }

/* Scrollable Body */
.dm-body {
  flex: 1; overflow-y: auto; padding: 16px 20px;
  scrollbar-width: thin; scrollbar-color: #334155 transparent;
}
.dm-body::-webkit-scrollbar { width: 6px; }
.dm-body::-webkit-scrollbar-track { background: transparent; }
.dm-body::-webkit-scrollbar-thumb { background: #334155; border-radius: 3px; }

/* ── Sections ── */
.dm-section { margin-bottom: 20px; }
.dm-section__title {
  font-size: .72rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .08em; color: #64748b; margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px;
}
.dm-section__title i { font-size: .7rem; color: #f59e0b; }

/* ── Role Switcher ── */
.dm-roles {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
}
.dm-role-btn {
  padding: 10px 8px; border-radius: 10px;
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06);
  color: #94a3b8; font-size: .82rem; font-weight: 700;
  cursor: pointer; text-align: center; transition: all .2s;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.dm-role-btn i { font-size: 1.1rem; }
.dm-role-btn:hover { border-color: rgba(245,158,11,.3); color: #f1f5f9; }
.dm-role-btn.is-active {
  background: rgba(245,158,11,.12); border-color: #f59e0b; color: #f59e0b;
}

/* ── Info Cards ── */
.dm-info {
  background: rgba(255,255,255,.02); border: 1px solid rgba(255,255,255,.06);
  border-radius: 12px; padding: 14px 16px;
}
.dm-info-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 0; font-size: .82rem;
}
.dm-info-row + .dm-info-row { border-top: 1px solid rgba(255,255,255,.04); }
.dm-info-label { color: #64748b; font-weight: 600; }
.dm-info-value { color: #f1f5f9; font-weight: 700; }
.dm-info-value--accent { color: #f59e0b; }

/* ── Button Grid ── */
.dm-btn-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px;
}
.dm-btn-grid--3 { grid-template-columns: repeat(3, 1fr); }

.dm-btn {
  padding: 10px 12px; border-radius: 10px;
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06);
  color: #cbd5e1; font-size: .78rem; font-weight: 700;
  cursor: pointer; transition: all .2s;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.dm-btn i { font-size: .8rem; }
.dm-btn:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.1); color: #f1f5f9; }

.dm-btn--primary { background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.2); color: #f59e0b; }
.dm-btn--primary:hover { background: rgba(245,158,11,.2); }

.dm-btn--danger { background: rgba(239,68,68,.1); border-color: rgba(239,68,68,.2); color: #ef4444; }
.dm-btn--danger:hover { background: rgba(239,68,68,.2); }

.dm-btn--success { background: rgba(16,185,129,.1); border-color: rgba(16,185,129,.2); color: #10b981; }
.dm-btn--success:hover { background: rgba(16,185,129,.2); }

.dm-btn--full { grid-column: 1 / -1; }

/* ── Responsive Info ── */
.dm-responsive-bar {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.dm-resp-chip {
  padding: 6px 12px; border-radius: 8px;
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06);
  color: #94a3b8; font-size: .75rem; font-weight: 700;
  cursor: pointer; transition: all .2s;
}
.dm-resp-chip:hover { border-color: rgba(245,158,11,.3); color: #f1f5f9; }
.dm-resp-chip.is-active { background: rgba(245,158,11,.12); border-color: #f59e0b; color: #f59e0b; }

.dm-screen-info {
  margin-top: 8px; padding: 8px 12px; border-radius: 8px;
  background: rgba(255,255,255,.02);
  font-size: .75rem; color: #64748b; font-weight: 600;
  font-family: 'Courier New', monospace;
}

/* ── Toast ── */
.dm-toast {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%);
  z-index: 10001; padding: 10px 20px; border-radius: 10px;
  background: #1e293b; border: 1px solid rgba(245,158,11,.3);
  color: #f1f5f9; font-size: .82rem; font-weight: 700;
  box-shadow: 0 4px 20px rgba(0,0,0,.5);
  animation: dmToastIn .3s ease;
  pointer-events: none;
}
@keyframes dmToastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ═══ RESPONSIVE ═══ */

/* Mobile drawer full width */
@media (max-width: 480px) {
  .dm-drawer { width: 100vw; }
  .dm-fab { bottom: 70px; right: 16px; font-size: .75rem; height: 40px; padding: 0 12px; }
  .dm-body { padding: 12px 16px; }
  .dm-roles { grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .dm-role-btn { padding: 8px 6px; font-size: .75rem; }
  .dm-btn-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .dm-btn { padding: 8px 10px; font-size: .75rem; }
  .dm-responsive-bar { gap: 4px; }
}

/* Tablet */
@media (max-width: 768px) {
  .dm-drawer { width: 380px; }
  .dm-fab { bottom: 80px; }
}

/* Small mobile */
@media (max-width: 360px) {
  .dm-role-btn { font-size: .7rem; padding: 8px 4px; }
  .dm-btn { font-size: .7rem; padding: 8px 8px; }
}