/* ============================================
   德扑元素 · 联系区
   独立模块，不改动主 style.css
   四主题兼容：全部走 --accent / --second / --fg-rgb / --bg-* 变量
   ============================================ */

/* ---- 联系区容器：给绝对定位的筹码层留坐标系 ---- */
.contact {
  position: relative;
  overflow: hidden;
}

/* ---- 背景筹码漂浮层 ---- */
.poker-field {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.contact > .reveal {
  position: relative;
  z-index: 2;
}

/* 单枚筹码：双色边缘缺口用 conic-gradient 画 */
.chip {
  position: absolute;
  width: var(--size, 44px);
  height: var(--size, 44px);
  border-radius: 50%;
  opacity: 0;
  will-change: transform, opacity;
  animation: chipFloat var(--dur, 18s) linear var(--delay, 0s) infinite;
}

.chip::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    var(--chip-c) 0deg 18deg,
    transparent 18deg 45deg,
    var(--chip-c) 45deg 63deg,
    transparent 63deg 90deg,
    var(--chip-c) 90deg 108deg,
    transparent 108deg 135deg,
    var(--chip-c) 135deg 153deg,
    transparent 153deg 180deg,
    var(--chip-c) 180deg 198deg,
    transparent 198deg 225deg,
    var(--chip-c) 225deg 243deg,
    transparent 243deg 270deg,
    var(--chip-c) 270deg 288deg,
    transparent 288deg 315deg,
    var(--chip-c) 315deg 333deg,
    transparent 333deg 360deg
  );
  mask: radial-gradient(circle, transparent 58%, #000 59%, #000 100%);
  -webkit-mask: radial-gradient(circle, transparent 58%, #000 59%, #000 100%);
}

/* 内圈 */
.chip::after {
  content: '';
  position: absolute;
  inset: 26%;
  border-radius: 50%;
  border: 1px solid var(--chip-c);
  opacity: 0.55;
}

@keyframes chipFloat {
  0%   { opacity: 0; transform: translate3d(0, 40px, 0) rotate(0deg) scale(0.85); }
  12%  { opacity: var(--peak, 0.28); }
  88%  { opacity: var(--peak, 0.28); }
  100% { opacity: 0; transform: translate3d(var(--dx, 30px), -140px, 0) rotate(var(--rot, 200deg)) scale(1.05); }
}

/* ---- 底部牌桌弧线（替代原 footer::before 的直线） ---- */
.felt-line {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: min(88%, 760px);
  height: 90px;
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
}

.felt-line svg { width: 100%; height: 100%; display: block; overflow: visible; }

.felt-arc {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.25;
  stroke-dasharray: 6 10;
  opacity: 0.4;
  animation: feltDash 40s linear infinite;
}

@keyframes feltDash { to { stroke-dashoffset: -320; } }

/* 弧线上滚动的筹码 */
.felt-runner {
  fill: var(--second);
  opacity: 0.7;
  offset-path: var(--arc-path);
  offset-rotate: 0deg;
  animation: runnerMove var(--rdur, 14s) cubic-bezier(0.45, 0, 0.55, 1) var(--rdelay, 0s) infinite;
}

@keyframes runnerMove {
  0%   { offset-distance: 0%;   opacity: 0; }
  8%   { opacity: 0.7; }
  92%  { opacity: 0.7; }
  100% { offset-distance: 100%; opacity: 0; }
}

/* ---- 联系卡：翻牌交互 ---- */
.contact-grid { perspective: 1200px; }

.contact-item {
  position: relative;
  transform-style: preserve-3d;
}

/* 左上角小花色标记 */
.contact-item::before {
  content: attr(data-suit);
  position: absolute;
  top: 7px;
  left: 9px;
  font-size: 0.6875rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0;
  transform: translateY(-3px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  pointer-events: none;
}

/* 右下角镜像花色 */
.contact-item::after {
  content: attr(data-suit);
  position: absolute;
  bottom: 7px;
  right: 9px;
  font-size: 0.6875rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0;
  transform: rotate(180deg) translateY(-3px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  pointer-events: none;
}

.contact-item:hover::before,
.contact-item:hover::after,
.contact-item:focus-visible::before,
.contact-item:focus-visible::after {
  opacity: 0.8;
  transform: translateY(0);
}

.contact-item:hover::after,
.contact-item:focus-visible::after {
  transform: rotate(180deg) translateY(0);
}

/* 红桃/方块用第二色 */
.contact-item[data-suit="♥"]::before,
.contact-item[data-suit="♥"]::after,
.contact-item[data-suit="♦"]::before,
.contact-item[data-suit="♦"]::after {
  color: var(--second);
}

/* hover 时轻微翻牌抬起（叠加在原有 translateY(-3px) 之上） */
.contact-item:hover {
  transform: translateY(-4px) rotateX(4deg) rotateY(-2deg);
}

/* 复制成功：牌面闪一下 */
.contact-item.copied {
  animation: cardFlash 0.6s var(--ease);
}

@keyframes cardFlash {
  0%, 100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0); }
  35%      { box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.28); }
}

/* ---- 联系标题旁的一手牌 ---- */
.hand {
  display: inline-flex;
  gap: 4px;
  margin-left: 0.6rem;
  vertical-align: 0.35em;
}

.hand-card {
  width: 20px;
  height: 28px;
  border-radius: 3px;
  border: 1px solid rgba(var(--fg-rgb), 0.18);
  background: var(--bg-2);
  display: grid;
  place-items: center;
  font-size: 0.5625rem;
  font-family: var(--font-mono);
  color: var(--fg-muted);
  transform-origin: bottom center;
  opacity: 0;
  animation: dealCard 0.55s var(--ease-out) forwards;
  animation-delay: calc(0.5s + var(--n) * 0.11s);
}

.hand-card.red { color: var(--second); }

@keyframes dealCard {
  from { opacity: 0; transform: translate(-28px, -16px) rotate(-24deg) scale(0.8); }
  to   { opacity: 1; transform: translate(0, 0) rotate(calc((var(--n) - 1) * 4deg)) scale(1); }
}

/* ---- 浅色主题微调 ---- */
[data-palette="frost"] .chip,
[data-palette="mist"] .chip { --peak: 0.22; }

[data-palette="frost"] .felt-arc,
[data-palette="mist"] .felt-arc { opacity: 0.5; }

[data-palette="frost"] .hand-card,
[data-palette="mist"] .hand-card {
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(var(--fg-rgb), 0.14);
}

/* ---- 移动端：减量 ---- */
@media (max-width: 640px) {
  .chip:nth-child(n+7) { display: none; }
  .felt-line { height: 60px; opacity: 0.35; }
  .hand { display: none; }
}

/* ---- 尊重 reduced-motion ---- */
@media (prefers-reduced-motion: reduce) {
  .chip, .felt-arc, .felt-runner { animation: none; }
  .chip { opacity: 0.16; }
  .hand-card { animation: none; opacity: 1; transform: none; }
  .contact-item:hover { transform: translateY(-3px); }
}

/* ---- 修正：标题下划线移到字下方；AK 牌与标题同行 ---- */
.contact-title::after {
  bottom: -0.14em;
  height: 0.08em;
  opacity: 0.7;
}
.contact .reveal > .contact-title { display: inline-block; vertical-align: middle; }
.hand {
  vertical-align: middle;
  margin-left: 0.75rem;
  transform: translateY(-0.35em);
}
@media (max-width: 640px) { .hand { display: none; } }