/* ============================================
   OR-Tools 智能拼版 Demo — 全局动画
   ============================================ */

/* ── 脉动发光 ── */
@keyframes btn-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.2); }
  50% { box-shadow: 0 0 40px rgba(59, 130, 246, 0.4), 0 0 60px rgba(59, 130, 246, 0.1); }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

/* ── 呼吸网格 ── */
@keyframes grid-breathe {
  0%, 100% { opacity: 0.03; }
  50% { opacity: 0.08; }
}

/* ── 悬浮 ── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ── 扫描线 ── */
@keyframes scan-line {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes scan-vertical {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

/* ── 震动 ── */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

/* ── 旋转 ── */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ── 打字机光标 ── */
@keyframes blink-cursor {
  0%, 100% { border-right-color: transparent; }
  50% { border-right-color: var(--accent-blue-light); }
}

/* ── 淡入向上 ── */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-down {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-left {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fade-in-right {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ── 缩放弹入 ── */
@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pop-in {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  70% {
    transform: scale(1.05);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* ── 勾号绘制 ── */
@keyframes draw-check {
  from {
    stroke-dashoffset: 100;
  }
  to {
    stroke-dashoffset: 0;
  }
}

/* ── 进度条填充 ── */
@keyframes fill-bar {
  from { width: 0%; }
  to { width: var(--bar-width, 100%); }
}

/* ── 数据流动（粒子线） ── */
@keyframes data-flow {
  0% {
    transform: translateX(0);
    opacity: 0;
  }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% {
    transform: translateX(var(--flow-distance, 200px));
    opacity: 0;
  }
}

/* ── 波纹扩散 ── */
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.6;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* ── 闪烁（用于冲突提示）── */
@keyframes conflict-flash {
  0%, 100% { background-color: rgba(239, 68, 68, 0); }
  50% { background-color: rgba(239, 68, 68, 0.3); }
}

/* ── 信号传播（神经网络用） ── */
@keyframes signal-propagate {
  0% {
    r: 3;
    opacity: 1;
    fill: var(--accent-purple);
  }
  50% {
    r: 6;
    opacity: 0.8;
  }
  100% {
    r: 3;
    opacity: 0.4;
    fill: var(--accent-blue);
  }
}

/* ── 裁切线 ── */
@keyframes cut-line {
  0% {
    width: 0;
    opacity: 1;
  }
  80% {
    width: 100%;
    opacity: 1;
  }
  100% {
    width: 100%;
    opacity: 0.6;
  }
}

@keyframes cut-line-vertical {
  0% {
    height: 0;
    opacity: 1;
  }
  80% {
    height: 100%;
    opacity: 1;
  }
  100% {
    height: 100%;
    opacity: 0.6;
  }
}

/* ── 工具类 ── */
.animate-pulse { animation: btn-pulse 2s ease-in-out infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-float-slow { animation: float-slow 4s ease-in-out infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-spin-slow { animation: spin-slow 8s linear infinite; }
.animate-shake { animation: shake 0.5s ease; }
.animate-glow { animation: glow-pulse 2s ease-in-out infinite; }