/* ============================================
   i.aiyunfa.com · v2 换肤层（叠加在原 inline 样式之后）
   与主站 aiyunfa.com v2 设计系统对齐
   ============================================ */

:root {
  /* 主站 v2 配色映射到本站变量（按钮/强调走青蓝紫渐变体系） */
  --primary: #3b82f6;
  --primary-light: #00d4ff;
  --accent: #8b5cf6;
  --success: #10B981;
  --bg-dark: #070a14;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border: rgba(255, 255, 255, 0.08);
  --text: #eef2ff;
  --text-muted: #aab4d4;
  --radius: 18px;
}

body {
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 极光背景 + 网格（与主站一致的氛围） */
.hero-bg {
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(139, 92, 246, 0.16), transparent 60%),
    radial-gradient(800px 480px at 8% 12%, rgba(0, 212, 255, 0.12), transparent 60%),
    radial-gradient(700px 600px at 50% 110%, rgba(59, 130, 246, 0.10), transparent 60%),
    #070a14 !important;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 25%, transparent 72%);
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 25%, transparent 72%);
}

/* 滚动条统一 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(120, 140, 200, 0.25); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0, 212, 255, 0.4); }

::selection { background: rgba(0, 212, 255, 0.28); }

/* 头部 logo 图标用主站渐变 */
.logo-icon {
  background: linear-gradient(100deg, #00d4ff, #3b82f6 45%, #8b5cf6) !important;
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.35);
}

/* Hero 标题渐变与主站一致（青→蓝→紫） */
.hero-title h1 {
  background: linear-gradient(100deg, #00d4ff 0%, #3b82f6 45%, #8b5cf6 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  letter-spacing: -0.01em;
}

/* 统计数字渐变 */
.stat-num {
  background: linear-gradient(100deg, #00d4ff, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 卡片玻璃化 + 悬浮光效 */
.card {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: box-shadow 0.3s, transform 0.3s;
}
.card:hover {
  box-shadow: 0 20px 60px rgba(2, 6, 23, 0.5), inset 0 0 0 1px rgba(0, 212, 255, 0.18);
}

/* 主按钮：主站渐变 + 发光 */
.btn-generate {
  background: linear-gradient(100deg, #00d4ff, #3b82f6 45%, #8b5cf6) !important;
  color: #06101f !important;
  font-weight: 800 !important;
  box-shadow: 0 10px 34px rgba(0, 212, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transition: transform 0.25s, box-shadow 0.25s;
}
.btn-generate:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 16px 44px rgba(0, 212, 255, 0.5);
}

/* 平台/模式切换选中态 */
.platform-btn.active, .mode-btn.active {
  background: linear-gradient(100deg, #00d4ff, #3b82f6 45%, #8b5cf6) !important;
  color: #06101f !important;
  font-weight: 700;
  border-color: transparent !important;
}

/* 结果卡 */
.result-item {
  transition: box-shadow 0.3s, transform 0.3s;
}
.result-item:hover {
  box-shadow: 0 16px 48px rgba(2, 6, 23, 0.45), inset 0 0 0 1px rgba(0, 212, 255, 0.16);
}
.result-badge {
  background: linear-gradient(100deg, #00d4ff, #8b5cf6) !important;
  color: #06101f !important;
}

/* 标签 */
.result-tag {
  border-color: rgba(0, 212, 255, 0.25) !important;
  color: #00d4ff !important;
}

/* 输入聚焦光晕 */
.form-select:focus, .form-input:focus, .form-textarea:focus {
  border-color: #00d4ff !important;
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.12) !important;
}

/* 头部品牌徽章 */
.header-brand, .header-fav-btn {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* 收藏侧边栏 */
.fav-sidebar {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* Toast */
.toast {
  background: linear-gradient(100deg, #00d4ff, #3b82f6 45%, #8b5cf6) !important;
  color: #06101f !important;
  font-weight: 700;
}

/* ── 打磨：未选中按钮辨识度 ── */
.platform-btn:not(.active), .mode-btn:not(.active) {
  background: rgba(255, 255, 255, 0.05) !important;
  border-color: rgba(255, 255, 255, 0.16) !important;
  color: #c7d0ea !important;
}
.platform-btn:not(.active):hover, .mode-btn:not(.active):hover {
  border-color: rgba(0, 212, 255, 0.45) !important;
  color: #eef2ff !important;
}

/* placeholder 提亮 */
.form-input::placeholder, .form-textarea::placeholder { color: #8590b5 !important; }
.form-select { color: #eef2ff; }
.form-select:invalid, .form-select option[value=""] { color: #8590b5; }

/* 空状态美化 */
.results-placeholder {
  padding: 70px 24px !important;
}
.results-placeholder-icon {
  filter: drop-shadow(0 0 18px rgba(0, 212, 255, 0.35));
}
.results-placeholder p { color: #aab4d4 !important; }

/* 卡片边框层次 */
.card { border-color: rgba(255, 255, 255, 0.10) !important; }