/* ============================================================
 * 灵音托管引擎自动化工作台 - 霓虹发光按钮组件 (comp-neon-btn.css)
 * 抽取自原 index.html UIverse 组件集 (MIT License)
 * 使用：<button class="neon-btn">或 <a class="neon-btn">
 * ============================================================ */

/* ===== 基础霓虹按钮 ===== */
.neon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  color: var(--accent-cyan);
  background: transparent;
  border: 2px solid var(--accent-cyan);
  border-radius: 8px;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s ease;
  text-decoration: none;
  white-space: nowrap;
  isolation: isolate;
}

.neon-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-cyan);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.neon-btn:hover {
  color: var(--bg-primary);
  box-shadow:
    0 0 8px rgba(6, 182, 212, 0.5),
    0 0 24px rgba(6, 182, 212, 0.3),
    0 0 48px rgba(6, 182, 212, 0.15),
    inset 0 0 8px rgba(6, 182, 212, 0.2);
  transform: translateY(-2px);
}

.neon-btn:hover::before {
  opacity: 1;
}

.neon-btn:active {
  transform: translateY(0) scale(0.97);
  transition: all 0.1s;
}

/* ===== 旋转边框动画变体 ===== */
.neon-btn--animate::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 10px;
  background: conic-gradient(from 0deg, transparent 0%, var(--accent-cyan) 10%, transparent 20%);
  z-index: -2;
  animation: neonBorderSpin 3s linear infinite;
  opacity: 0;
  transition: opacity 0.3s;
}

.neon-btn--animate:hover::after {
  opacity: 0.6;
}

/* ===== 颜色变体 ===== */
.neon-btn--blue {
  color: var(--accent-blue);
  border-color: var(--accent-blue);
}
.neon-btn--blue::before {
  background: var(--accent-blue);
}
.neon-btn--blue:hover {
  box-shadow:
    0 0 8px rgba(59, 130, 246, 0.5),
    0 0 24px rgba(59, 130, 246, 0.3),
    0 0 48px rgba(59, 130, 246, 0.15),
    inset 0 0 8px rgba(59, 130, 246, 0.2);
}

.neon-btn--purple {
  color: var(--accent-purple);
  border-color: var(--accent-purple);
}
.neon-btn--purple::before {
  background: var(--accent-purple);
}
.neon-btn--purple:hover {
  box-shadow:
    0 0 8px rgba(139, 92, 246, 0.5),
    0 0 24px rgba(139, 92, 246, 0.3),
    0 0 48px rgba(139, 92, 246, 0.15);
}

.neon-btn--green {
  color: var(--accent-green);
  border-color: var(--accent-green);
}
.neon-btn--green::before {
  background: var(--accent-green);
}
.neon-btn--green:hover {
  box-shadow:
    0 0 8px rgba(34, 197, 94, 0.5),
    0 0 24px rgba(34, 197, 94, 0.3),
    0 0 48px rgba(34, 197, 94, 0.15);
}

/* ===== 尺寸变体 ===== */
.neon-btn--sm {
  padding: 6px 14px;
  font-size: 12px;
  border-radius: 6px;
}

.neon-btn--lg {
  padding: 14px 32px;
  font-size: 16px;
  border-radius: 10px;
}

.neon-btn--block {
  width: 100%;
}

/* ===== 禁用状态 ===== */
.neon-btn:disabled,
.neon-btn.is-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(30%);
}


/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .neon-btn { padding: 8px 16px; font-size: 13px; min-height: 40px; }
  .neon-btn--sm { padding: 5px 10px; font-size: 11px; min-height: 34px; }
  .neon-btn--lg { padding: 10px 24px; font-size: 14px; min-height: 46px; }
  .neon-btn:hover { transform: none; }
}