/* ========== 基础重置 ========== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --bg-dark: #0a0a14;
  --bg-mid: #12122b;
  --neon-pink: #FF2E63;
  --neon-cyan: #08D9D6;
  --neon-purple: #a855f7;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-highlight: rgba(255, 255, 255, 0.15);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.6);
  
  /* 轨道半径 - 根据屏幕动态调整 */
  --orbit-radius: min(38vw, 140px);
  --avatar-size: min(15vw, 56px);
  --center-size: min(22vw, 90px);
}

html, body {
  width: 100%;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  overflow-x: hidden;
  overflow-y: auto;
}

/* ========== 主容器 ========== */
.pond-app {
  position: relative;
  width: 100%;
  max-width: 430px;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--bg-mid) 0%, var(--bg-dark) 100%);
  overflow-x: hidden;
}

.pond-inner {
  position: relative;
  z-index: 10;
  padding: 12px 14px;
  padding-bottom: 70px;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ========== 背景层 ========== */
.bg-layer {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
}

.orb-1 {
  width: 200px;
  height: 200px;
  top: -60px;
  left: -60px;
  background: var(--neon-cyan);
  animation: float-orb 10s ease-in-out infinite;
}

.orb-2 {
  width: 180px;
  height: 180px;
  bottom: 100px;
  right: -60px;
  background: var(--neon-pink);
  animation: float-orb 12s ease-in-out infinite reverse;
}

@keyframes float-orb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(15px, 20px) scale(1.05); }
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

/* ========== 玻璃拟态 ========== */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
}

/* ========== 顶部栏 ========== */
.top-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 10px;
  flex-shrink: 0;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo-glow {
  font-size: 20px;
  color: var(--neon-cyan);
  text-shadow: 0 0 12px var(--neon-cyan);
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { text-shadow: 0 0 8px var(--neon-cyan); }
  50% { text-shadow: 0 0 20px var(--neon-cyan), 0 0 30px var(--neon-cyan); }
}

.logo-text {
  font-family: "Snell Roundhand", cursive;
  font-size: 20px;
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========== 信息栏 ========== */
.info-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  margin-bottom: 12px;
  flex-shrink: 0;
}

.info-left, .info-right {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.info-label, .info-desc {
  font-size: 10px;
  color: var(--text-secondary);
}

.info-value, .info-name {
  font-size: 15px;
  font-weight: 700;
}

.info-unit {
  font-size: 11px;
  color: var(--neon-pink);
  margin-left: 2px;
}

.neon-text {
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.info-right {
  text-align: right;
}

/* ========== 匹配圆环区域 - 摩天轮布局 ========== */
.match-area {
  position: relative;
  width: 100%;
  /* 固定高度，确保圆环区域大小一致 */
  height: calc(var(--orbit-radius) * 2 + var(--avatar-size) + 50px);
  max-height: 340px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* 中心脉冲圆环 */
.center-ring {
  position: absolute;
  width: var(--center-size);
  height: var(--center-size);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

.ring-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--neon-cyan);
  animation: ring-expand 2.5s ease-out infinite;
}

.ring-pulse.delay-1 { animation-delay: 0.8s; }
.ring-pulse.delay-2 { animation-delay: 1.6s; }

@keyframes ring-expand {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(2.2); opacity: 0; }
}

.ring-core {
  position: absolute;
  inset: 8px;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple), var(--neon-cyan));
  background-size: 200% 200%;
  border-radius: 50%;
  cursor: pointer;
  animation: gradient-spin 4s linear infinite;
  box-shadow: 
    0 0 25px rgba(8, 217, 214, 0.4),
    0 0 50px rgba(255, 46, 99, 0.3),
    inset 0 0 15px rgba(255, 255, 255, 0.2);
  transition: transform 0.2s;
}

.ring-core:active {
  transform: scale(0.92);
}

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

.core-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.core-icon {
  font-size: min(8vw, 28px);
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 轨道环 - 真正的圆形轨道 */
.orbit-ring {
  position: absolute;
  width: calc(var(--orbit-radius) * 2);
  height: calc(var(--orbit-radius) * 2);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  pointer-events: none;
}

/* 外层装饰轨道 */
.orbit-ring::before {
  content: '';
  position: absolute;
  inset: -15px;
  border: 1px solid rgba(168, 85, 247, 0.1);
  border-radius: 50%;
}

.orbit-ring::after {
  content: '';
  position: absolute;
  inset: 15px;
  border: 1px solid rgba(8, 217, 214, 0.1);
  border-radius: 50%;
}

/* 用户头像容器 - 摩天轮定位 */
.orbit-users {
  position: absolute;
  width: calc(var(--orbit-radius) * 2);
  height: calc(var(--orbit-radius) * 2);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  /* 整体缓慢旋转 */
  animation: orbit-spin 60s linear infinite;
}

@keyframes orbit-spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* 单个用户 - 精确定位在轨道上 */
.orbit-user {
  position: absolute;
  width: var(--avatar-size);
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: transform 0.3s ease;
  /* 反向旋转保持头像正向 */
  animation: counter-spin 60s linear infinite;
}

@keyframes counter-spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(-360deg); }
}

/* 6个用户的精确位置 - 圆周均匀分布 */
.orbit-user[data-pos="1"] {
  left: 50%;
  top: 0;
  transform: translate(-50%, -50%);
}

.orbit-user[data-pos="2"] {
  left: calc(50% + 86.6%/2);  /* cos(30°) ≈ 0.866 */
  top: 25%;
  transform: translate(-50%, -50%);
}

.orbit-user[data-pos="3"] {
  left: calc(50% + 86.6%/2);
  top: 75%;
  transform: translate(-50%, -50%);
}

.orbit-user[data-pos="4"] {
  left: 50%;
  top: 100%;
  transform: translate(-50%, -50%);
}

.orbit-user[data-pos="5"] {
  left: calc(50% - 86.6%/2);
  top: 75%;
  transform: translate(-50%, -50%);
}

.orbit-user[data-pos="6"] {
  left: calc(50% - 86.6%/2);
  top: 25%;
  transform: translate(-50%, -50%);
}

.orbit-user:active {
  transform: translate(-50%, -50%) scale(1.1) !important;
}

.user-avatar {
  width: var(--avatar-size);
  height: var(--avatar-size);
  border-radius: 50%;
  padding: 2px;
  position: relative;
  overflow: visible;
  flex-shrink: 0;
}

.avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-cyan));
}

.avatar-glow {
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-cyan));
  opacity: 0.4;
  z-index: -1;
  filter: blur(6px);
}

.user-name {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 4px;
  text-align: center;
  max-width: calc(var(--avatar-size) + 10px);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

.user-location {
  font-size: 8px;
  color: var(--text-secondary);
  text-align: center;
  text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}

/* ========== 快捷操作按钮 ========== */
.quick-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  flex-shrink: 0;
}

.action-btn {
  flex: 1;
  height: 44px;
  border: none;
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.action-btn:active {
  transform: scale(0.96);
}

.action-btn.pink {
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple));
  box-shadow: 0 4px 16px rgba(255, 46, 99, 0.35);
}

.action-btn.cyan {
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-cyan));
  box-shadow: 0 4px 16px rgba(8, 217, 214, 0.35);
}

.btn-icon {
  font-size: 16px;
}

.btn-label {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

/* ========== 功能入口 2x3 ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  flex-shrink: 0;
}

.feature-card {
  position: relative;
  padding: 14px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s ease;
}

.feature-card:active {
  transform: scale(0.95);
}

.card-glow {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  filter: blur(25px);
  opacity: 0.12;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}

.card-glow.pink { background: var(--neon-pink); }
.card-glow.cyan { background: var(--neon-cyan); }
.card-glow.purple { background: var(--neon-purple); }

.feature-card:hover .card-glow {
  opacity: 0.25;
}

.card-icon {
  font-size: 24px;
  position: relative;
  z-index: 1;
}

.card-title {
  font-size: 10px;
  color: var(--text-primary);
  text-align: center;
  position: relative;
  z-index: 1;
}

/* ========== 响应式 - 小屏幕优化 ========== */
@media (max-height: 680px) {
  :root {
    --orbit-radius: min(32vw, 115px);
    --avatar-size: min(13vw, 48px);
    --center-size: min(18vw, 70px);
  }
  
  .match-area {
    max-height: 280px;
    margin-bottom: 10px;
  }
  
  .info-bar {
    padding: 8px 12px;
    margin-bottom: 10px;
  }
  
  .quick-actions {
    margin-bottom: 10px;
  }
  
  .action-btn {
    height: 40px;
  }
  
  .feature-card {
    padding: 10px 4px;
  }
  
  .card-icon {
    font-size: 20px;
  }
  
  .card-title {
    font-size: 9px;
  }
}

@media (max-height: 600px) {
  :root {
    --orbit-radius: min(28vw, 100px);
    --avatar-size: min(11vw, 42px);
    --center-size: min(16vw, 60px);
  }
  
  .match-area {
    max-height: 240px;
    margin-bottom: 8px;
  }
  
  .top-bar {
    margin-bottom: 6px;
  }
  
  .logo-glow, .logo-text {
    font-size: 18px;
  }
  
  .pond-inner {
    padding: 10px 12px;
    padding-bottom: 65px;
  }
  
  .action-btn {
    height: 38px;
  }
  
  .btn-label {
    font-size: 12px;
  }
  
  .feature-grid {
    gap: 8px;
  }
}

/* 超小屏幕 */
@media (max-height: 550px) {
  :root {
    --orbit-radius: min(25vw, 85px);
    --avatar-size: min(10vw, 38px);
    --center-size: min(14vw, 52px);
  }
  
  .match-area {
    max-height: 200px;
  }
  
  .user-name {
    font-size: 9px;
  }
  
  .user-location {
    display: none;
  }
}