/* ═══════════════════════════════════════
   ELITE CS v4 — BUTTONS
   .btn, .btn-primary, .btn-danger, .btn-live
   ═══════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  padding: 8px var(--s4);
  border-radius: var(--r-full);
  border: 1px solid var(--glass-border);
  background: var(--glass-1);
  backdrop-filter: blur(12px);
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 200ms var(--ease);
}

.btn:hover {
  background: var(--glass-2);
  color: var(--text-primary);
  border-color: var(--glass-border-hover);
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ─── Primary ─── */
.btn-primary {
  background: linear-gradient(120deg, #40c8f0, #70e0ff);
  color: #06242e;
  border: none;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 6px 20px rgba(64,200,240,0.25);
}

.btn-primary:hover {
  color: #06242e !important;
  background: linear-gradient(120deg, #38c0e8, #60d8ff);
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(64,200,240,0.35);
  border: none;
}

.btn-primary:active {
  transform: scale(0.97) translateY(0) !important;
}

/* ─── Danger ─── */
.btn-danger {
  background: rgba(240,85,69,0.12);
  color: var(--status-urgent);
  border-color: rgba(240,85,69,0.20);
}

.btn-danger:hover {
  background: rgba(240,85,69,0.20);
  color: var(--status-urgent);
  border-color: rgba(240,85,69,0.30);
}

/* ─── Live ─── */
.btn-live {
  background: rgba(60,232,160,0.12);
  color: var(--status-live);
  border-color: rgba(60,232,160,0.20);
}

.btn-live:hover {
  background: rgba(60,232,160,0.20);
  color: var(--status-live);
  border-color: rgba(60,232,160,0.30);
}

/* ─── AI Button (toolbar variant) ─── */
.btn-ai {
  color: var(--ai);
  border-color: rgba(181,128,224,0.18);
  background: var(--ai-glow);
}

.btn-ai:hover {
  background: rgba(181,128,224,0.20);
  color: var(--ai);
}

/* ─── Icon-only Button ─── */
.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--r-sm);
  justify-content: center;
  font-size: 16px;
}

/* ─── Small ─── */
.btn-sm {
  padding: 5px 12px;
  font-size: 12px;
}

/* ─── Light Mode ─── */
[data-theme="light"] .btn {
  background: rgba(255,255,255, 0.6);
  border-color: rgba(0,40,80,0.10);
}

[data-theme="light"] .btn:hover {
  background: rgba(255,255,255, 0.85);
  border-color: rgba(0,40,80,0.16);
}

[data-theme="light"] .btn-primary {
  background: linear-gradient(120deg, #1da8d0, #40c0e8);
  color: white;
  box-shadow: 0 4px 16px rgba(29,168,208,0.20);
}

[data-theme="light"] .btn-primary:hover {
  color: white !important;
  background: linear-gradient(120deg, #1898c0, #38b0d8);
  box-shadow: 0 8px 28px rgba(29,168,208,0.28);
  border: none;
}