/* ============================================
   Sky Device Generator — StyleKit · Liquid Glass
   参考: stylekit.top/styles/liquid-glass
   配色: 近黑底 + 珊瑚/紫/青/蓝霓虹 + 彩虹折射边
   ============================================ */

:root {
  /* 背景层 (Apple Liquid Glass dark: 0 0% 3.9%) */
  --bg: #060608;
  --bg-deep: #030304;

  /* 文字 (foreground 0 0% 98% / muted 0 0% 63.9%) */
  --fg: #fafafa;
  --fg-soft: #a1a1aa;
  --fg-faint: #52525b;

  /* 强调色 (StyleKit liquid-glass tokens) */
  --coral: #ff6b6b;   /* primary  0 100% 71% */
  --pink: #ff2d92;    /* 霓虹粉 */
  --purple: #a855f7;  /* chart-4 271 91% 65% */
  --cyan: #4ecdc4;    /* chart-3 176 56% 55% */
  --blue: #3b9eff;    /* chart-5 211 100% 50% */
  --green: #5dd39e;
  --red: #ff5470;

  /* 玻璃材质 (提升通透感: 更高白底 + 更强高光) */
  --glass: rgba(255, 255, 255, 0.07);
  --glass-hover: rgba(255, 255, 255, 0.11);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-border-strong: rgba(255, 255, 255, 0.32);
  --glass-hl: rgba(255, 255, 255, 0.22);
  --glass-blur: 28px;

  /* 圆角 (radius 24px) */
  --r: 24px;
  --r-sm: 14px;
  --r-pill: 999px;

  /* 阴影 */
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.55);
  --glow-coral: 0 0 40px rgba(255, 107, 107, 0.35);
  --glow-purple: 0 0 40px rgba(168, 85, 247, 0.3);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background: var(--bg-deep);
  color: var(--fg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   背景: 光晕 + 噪点
   ============================================ */
.bg-blobs {
  position: fixed; inset: 0; z-index: 0;
  overflow: hidden; pointer-events: none;
}
.blob {
  position: absolute; border-radius: 50%;
  filter: blur(90px); opacity: 0.6;
  animation: floatBlob 26s ease-in-out infinite;
  will-change: transform;
}
.blob-coral {
  width: 620px; height: 620px;
  background: radial-gradient(circle, var(--coral) 0%, transparent 65%);
  top: -200px; left: -160px;
}
.blob-purple {
  width: 580px; height: 580px;
  background: radial-gradient(circle, var(--purple) 0%, transparent 65%);
  top: 22%; right: -180px; animation-delay: -8s;
}
.blob-cyan {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--cyan) 0%, transparent 65%);
  bottom: -140px; left: 14%; animation-delay: -15s; opacity: 0.45;
}
.blob-blue {
  width: 460px; height: 460px;
  background: radial-gradient(circle, var(--blue) 0%, transparent 65%);
  top: 56%; left: 46%; animation-delay: -20s; opacity: 0.4;
}
@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, -40px) scale(1.1); }
  66% { transform: translate(-40px, 50px) scale(0.95); }
}
.noise {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================
   玻璃材质 + 彩虹折射边 (Liquid Glass 标志)
   ============================================ */
.glass {
  position: relative;
  background: var(--glass);
  backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r);
  box-shadow: var(--shadow), inset 0 1px 0 var(--glass-hl), inset 0 0 24px rgba(255, 255, 255, 0.03);
  overflow: hidden;
}
/* 彩虹折射边框: 通过 mask 只显示 1.5px 渐变描边, 加大饱和度 */
.glass::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit; padding: 1.5px;
  background: linear-gradient(
    135deg,
    rgba(255, 107, 107, 0.9),
    rgba(255, 45, 146, 0.7),
    rgba(168, 85, 247, 0.8),
    rgba(78, 205, 196, 0.7),
    rgba(59, 158, 255, 0.6),
    rgba(255, 255, 255, 0.15)
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 1;
}
/* 玻璃顶部高光条 (液态玻璃标志: 边缘光线折射) */
.glass::after {
  content: '';
  position: absolute; top: 0; left: 12%; right: 12%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  pointer-events: none; opacity: 0.7;
}

/* ============================================
   容器
   ============================================ */
.container {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto;
  padding: 64px 24px 40px;
}

/* ============================================
   Hero
   ============================================ */
.hero { text-align: center; margin-bottom: 48px; animation: fadeUp 0.8s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.76rem; font-weight: 500; color: var(--fg-soft);
  letter-spacing: 0.5px; text-transform: uppercase;
  padding: 7px 16px; border-radius: var(--r-pill);
  background: var(--glass); border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  margin-bottom: 28px;
}
.dot-live {
  width: 6px; height: 6px; background: var(--green); border-radius: 50%;
  box-shadow: 0 0 8px var(--green); animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.85); } }

.hero-title {
  font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 800;
  letter-spacing: -0.03em; line-height: 1.04;
  margin-bottom: 18px; color: var(--fg);
}
.rainbow-text {
  display: block;
  background: linear-gradient(110deg, var(--coral) 0%, var(--pink) 28%, var(--purple) 55%, var(--cyan) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 4px 28px rgba(255, 107, 107, 0.35));
}

.hero-subtitle { color: var(--fg-soft); font-size: 1.05rem; margin-bottom: 28px; font-weight: 300; }
.hero-subtitle code {
  font-family: 'JetBrains Mono', monospace; font-size: 0.9em;
  color: var(--coral); background: rgba(255, 107, 107, 0.08);
  padding: 2px 8px; border-radius: 6px; border: 1px solid rgba(255, 107, 107, 0.18);
}

.hero-algo { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.algo-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.8rem; padding: 8px 16px; border-radius: var(--r-pill);
  background: var(--glass); border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.algo-label { font-family: 'JetBrains Mono', monospace; color: var(--coral); font-size: 0.78rem; }
.algo-value { color: var(--fg-soft); }

/* ============================================
   控制栏
   ============================================ */
.controls {
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px;
  padding: 20px 24px; margin-bottom: 28px;
}
.controls-left { display: flex; align-items: baseline; gap: 12px; }
.controls-title { font-weight: 600; font-size: 1rem; color: var(--fg); }
.controls-count { font-size: 0.8rem; color: var(--fg-faint); font-family: 'JetBrains Mono', monospace; }
.controls-right { display: flex; flex-wrap: wrap; gap: 8px; margin-left: auto; }
.status {
  width: 100%; font-size: 0.85rem; color: var(--fg-soft); min-height: 18px;
  padding-top: 6px; border-top: 1px solid var(--glass-border); margin-top: 4px;
}
.status.loading { color: var(--blue); }
.status.ok { color: var(--green); }
.status.error { color: var(--red); }

/* ============================================
   按钮
   ============================================ */
.btn {
  cursor: pointer; padding: 11px 20px;
  border: 1px solid var(--glass-border); border-radius: var(--r-pill);
  background: var(--glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  color: var(--fg); font-family: inherit; font-size: 0.9rem; font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative; overflow: hidden;
}
.btn:hover {
  background: var(--glass-hover); border-color: var(--glass-border-strong);
  transform: translateY(-1px); box-shadow: var(--shadow);
}
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--coral) 0%, var(--pink) 100%);
  color: #1a0608; border: 1px solid rgba(255, 107, 107, 0.5); font-weight: 600;
  box-shadow: var(--glow-coral), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.btn-primary:hover {
  box-shadow: 0 0 48px rgba(255, 107, 107, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.45);
  transform: translateY(-2px);
}

.btn-ghost { background: transparent; color: var(--fg-soft); border-color: transparent; }
.btn-ghost:hover { background: rgba(255, 84, 112, 0.1); color: var(--red); border-color: rgba(255, 84, 112, 0.2); }

/* ============================================
   设备列表
   ============================================ */
.device-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: 18px; margin-bottom: 32px;
}
.empty-state {
  grid-column: 1 / -1; text-align: center; padding: 60px 24px; color: var(--fg-faint);
}
.empty-icon { font-size: 2.5rem; margin-bottom: 12px; opacity: 0.7; filter: grayscale(0.3); }
.empty-state p { font-size: 0.95rem; }

.device-card {
  padding: 22px; border-radius: var(--r);
  animation: cardIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}
.device-card:hover {
  transform: translateY(-4px);
  background: var(--glass-hover);
  box-shadow: var(--shadow-lg), inset 0 1px 0 var(--glass-hl), 0 0 32px rgba(168, 85, 247, 0.25), 0 0 48px rgba(255, 107, 107, 0.15);
}
@keyframes cardIn { from { opacity: 0; transform: translateY(12px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }

.device-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--glass-border);
}
.device-id { font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; color: var(--fg-faint); letter-spacing: 0.5px; }
.device-time { font-size: 0.72rem; color: var(--fg-faint); }

.field { margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }
.field-label {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.7rem; color: var(--fg-soft); text-transform: uppercase;
  letter-spacing: 0.8px; font-weight: 500; margin-bottom: 6px;
}
.copy-btn {
  cursor: pointer; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--glass-border);
  color: var(--fg-soft); font-size: 0.68rem; padding: 3px 9px; border-radius: 6px;
  font-family: inherit; transition: all 0.2s ease;
  display: inline-flex; align-items: center; gap: 4px;
}
.copy-btn:hover { background: rgba(255, 107, 107, 0.12); border-color: rgba(255, 107, 107, 0.3); color: var(--coral); }
.copy-btn.copied { background: rgba(93, 211, 158, 0.12); border-color: rgba(93, 211, 158, 0.3); color: var(--green); }

.field-value {
  font-family: 'JetBrains Mono', 'Fira Code', monospace; font-size: 0.78rem; line-height: 1.5;
  word-break: break-all; color: var(--fg);
  background: rgba(255, 255, 255, 0.04); padding: 10px 12px; border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08); border-left: 2px solid var(--coral);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.field-value:hover { background: rgba(255, 255, 255, 0.07); }
.fk-dk { border-left-color: var(--coral); }
.fk-ts { border-left-color: var(--purple); color: #d8b4fe; }
.fk-sig { border-left-color: var(--cyan); }

/* ============================================
   验证器
   ============================================ */
.verifier { padding: 28px; margin-bottom: 32px; }
.verifier-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--glass-border);
}
.verifier-header h2 { font-size: 1.15rem; font-weight: 600; color: var(--fg); margin-bottom: 4px; }
.verifier-header .hint { color: var(--fg-faint); font-size: 0.82rem; }
.verifier-icon {
  width: 40px; height: 40px; border-radius: 12px;
  background: rgba(168, 85, 247, 0.12); border: 1px solid rgba(168, 85, 247, 0.25);
  display: flex; align-items: center; justify-content: center; color: var(--purple);
}
.verifier-grid { display: grid; grid-template-columns: 1fr 200px; gap: 12px; margin-bottom: 16px; }
.verifier-grid .field-ts { grid-row: 1; grid-column: 2; }
.verifier-grid .field:first-child { grid-row: 1; grid-column: 1; }
.verifier-grid .field:last-child { grid-row: 2; grid-column: 1 / -1; }
.verifier label {
  display: block; font-size: 0.72rem; color: var(--fg-soft);
  text-transform: uppercase; letter-spacing: 0.6px; font-weight: 500; margin-bottom: 6px;
}
.verifier textarea {
  width: 100%; background: rgba(255, 255, 255, 0.04); border: 1px solid var(--glass-border);
  border-radius: 10px; padding: 10px 12px; color: var(--fg);
  font-family: 'JetBrains Mono', monospace; font-size: 0.82rem; resize: vertical; transition: all 0.2s ease;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.verifier textarea:focus { outline: none; border-color: var(--coral); background: rgba(255, 255, 255, 0.07); box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.12); }
.verifier textarea::placeholder { color: var(--fg-faint); }
.verifier-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.verify-result { font-size: 0.88rem; font-weight: 500; min-height: 20px; }
.verify-result.valid { color: var(--green); }
.verify-result.invalid { color: var(--red); }
.verify-result.valid::before { content: '✓ '; }
.verify-result.invalid::before { content: '✗ '; }

/* ============================================
   Footer
   ============================================ */
footer { text-align: center; padding: 20px; color: var(--fg-faint); font-size: 0.8rem; }

/* ============================================
   滚动条
   ============================================ */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.08); border-radius: 10px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.15); background-clip: padding-box; border: 2px solid transparent; }

/* ============================================
   响应式
   ============================================ */
@media (max-width: 720px) {
  .container { padding: 40px 14px 30px; }
  .hero { margin-bottom: 30px; }
  .hero-title { font-size: clamp(2rem, 9vw, 3rem); }
  .hero-subtitle { font-size: 0.95rem; }
  .algo-pill { font-size: 0.72rem; padding: 6px 12px; }

  .controls { padding: 16px; }
  .controls-right { margin-left: 0; width: 100%; }
  .btn { flex: 1; justify-content: center; padding: 12px 10px; font-size: 0.85rem; min-height: 44px; }

  .device-card { padding: 18px; }

  .verifier { padding: 20px; }
  .verifier-grid { grid-template-columns: 1fr; }
  .verifier-grid .field-ts,
  .verifier-grid .field:first-child,
  .verifier-grid .field:last-child { grid-row: auto; grid-column: auto; }
  .verifier-actions { flex-direction: column; align-items: stretch; }
  .verifier-actions .btn { width: 100%; }
}

@media (max-width: 420px) {
  .container { padding: 30px 12px 24px; }
  .hero-title { font-size: 1.95rem; }
  .hero-subtitle { font-size: 0.88rem; }
  .glass { border-radius: 18px; }
  .device-card { padding: 16px; border-radius: 16px; }
  .field-value { font-size: 0.72rem; padding: 9px 10px; }
  .controls-right { gap: 6px; }
  .btn { padding: 11px 8px; font-size: 0.8rem; }
}