/* ========================================================================
 * 阿里淘科技 — 动画 (keyframes / glitch / loader / hover)
 * ====================================================================== */

/* ---------- keyframes ---------- */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.6; transform: scale(1.1); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 245, 255, 0.4); }
  50%      { box-shadow: 0 0 40px rgba(0, 245, 255, 0.8), 0 0 60px rgba(0, 245, 255, 0.4); }
}

@keyframes blink {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes scroll-down {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

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

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

@keyframes drift-1 {
  0%, 100% { transform: translate(0, 0); }
  33%      { transform: translate(60px, 80px); }
  66%      { transform: translate(-40px, 40px); }
}

@keyframes drift-2 {
  0%, 100% { transform: translate(0, 0); }
  33%      { transform: translate(-80px, -60px); }
  66%      { transform: translate(40px, -40px); }
}

@keyframes drift-3 {
  0%, 100% { transform: translate(-50%, -50%); }
  50%      { transform: translate(-30%, -60%); }
}

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

@keyframes panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes typing-dot {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40%           { opacity: 1;   transform: scale(1); }
}

@keyframes transistor-blink {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 1; filter: drop-shadow(0 0 4px #00f5ff); }
}

@keyframes core-pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.15); }
}

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

@keyframes current-flow {
  0%   { stroke-dashoffset: 200; opacity: 0.2; }
  50%  { stroke-dashoffset: 0;   opacity: 1; }
  100% { stroke-dashoffset: -200; opacity: 0.2; }
}

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

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

/* ---------- Glitch 故障效果 ---------- */
.glitch {
  position: relative;
  display: inline-block;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
}

.glitch::before {
  left: 2px;
  text-shadow: -2px 0 var(--accent-magenta);
  clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%);
  animation: glitch-1 3s infinite linear alternate-reverse;
}

.glitch::after {
  left: -2px;
  text-shadow: 2px 0 var(--accent-cyan);
  clip-path: polygon(0 67%, 100% 67%, 100% 100%, 0 100%);
  animation: glitch-2 2.7s infinite linear alternate-reverse;
}

@keyframes glitch-1 {
  0%, 100% { clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%); transform: translate(0); }
  20%      { clip-path: polygon(0 20%, 100% 20%, 100% 50%, 0 50%); transform: translate(-2px, 1px); }
  40%      { clip-path: polygon(0 40%, 100% 40%, 100% 70%, 0 70%); transform: translate(2px, -1px); }
  60%      { clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%); transform: translate(-1px, 2px); }
  80%      { clip-path: polygon(0 10%, 100% 10%, 100% 90%, 0 90%); transform: translate(1px, -2px); }
}

@keyframes glitch-2 {
  0%, 100% { clip-path: polygon(0 67%, 100% 67%, 100% 100%, 0 100%); transform: translate(0); }
  20%      { clip-path: polygon(0 50%, 100% 50%, 100% 80%, 0 80%); transform: translate(2px, -1px); }
  40%      { clip-path: polygon(0 30%, 100% 30%, 100% 60%, 0 60%); transform: translate(-2px, 1px); }
  60%      { clip-path: polygon(0 20%, 100% 20%, 100% 40%, 0 40%); transform: translate(1px, 2px); }
  80%      { clip-path: polygon(0 10%, 100% 10%, 100% 30%, 0 30%); transform: translate(-1px, -2px); }
}

/* ---------- 浮动标签 ---------- */
.float-label {
  display: inline-block;
  animation: float-label 3s ease-in-out infinite;
}

@keyframes float-label {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-4px); }
}

/* ---------- 旋转边框（用于头像等） ---------- */
@keyframes border-spin {
  to { transform: rotate(360deg); }
}

/* ---------- 闪烁光标 ---------- */
@keyframes caret-blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

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

/* ---------- prefers-reduced-motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}