/* ========== NBTI 全局基础样式 (Light Mode) ========== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

:root {
  /* Light Mode */
  --bg-primary: #f5f5fa;
  --bg-secondary: #eeeef4;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f0f8;
  --text-primary: #1a1a2e;
  --text-secondary: #555570;
  --text-muted: #8888a0;
  --accent: #1a8a10;
  --accent-dim: #0d6b08;
  --accent-glow: rgba(26, 138, 16, 0.25);
  --danger: #ff4757;
  --warning: #ff9500;
  --border: #dddde8;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.06);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* 赛博配色 */
  --neon-green: #1a8a10;
  --cyber-pink: #c41a6e;
  --neon-green-dim: #0d6b08;
  --cyber-pink-dim: #9e1558;

  /* 人格颜色 */
  --si-color: #FF6B35;
  --ga-color: #1E90FF;
  --mi-color: #9B59B6;
  --ia-color: #2ECC71;
  --md-color: #F1C40F;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 背景装饰 */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(26, 138, 16, 0.04) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 80% 80%, rgba(196, 26, 110, 0.04) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(26, 138, 16, 0.02) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dim); }

/* 页面容器 */
.page-container {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 32px;
  min-height: 100vh;
}

@media (min-width: 1024px) {
  .page-container {
    max-width: 860px;
    padding: 32px 48px;
  }
}

/* 按钮通用 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #1a8a10, #0d6b08);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(26, 138, 16, 0.3);
  font-weight: 700;
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 40px rgba(26, 138, 16, 0.45), 0 0 24px rgba(26, 138, 16, 0.15);
  filter: brightness(1.15);
}
.btn-primary:active {
  transform: translateY(1px) scale(0.98);
  filter: brightness(0.9);
  box-shadow: 0 2px 10px rgba(26, 138, 16, 0.3);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 2px solid var(--border);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--neon-green);
  color: var(--neon-green-dim);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(26, 138, 16, 0.12);
}
.btn-secondary:active {
  transform: translateY(1px);
  background: rgba(26, 138, 16, 0.06);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 10px 20px;
  border: 2px solid transparent;
}
.btn-ghost:hover {
  color: var(--neon-green);
  border-color: rgba(26, 138, 16, 0.25);
  background: rgba(26, 138, 16, 0.05);
}
.btn-ghost:active {
  color: var(--neon-green-dim);
  background: rgba(26, 138, 16, 0.08);
}

.btn-block { width: 100%; }

/* Logo */
.logo {
  text-align: center;
  padding: 20px 0;
}
.logo-text {
  font-size: 2.4rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--neon-green), var(--accent), var(--cyber-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}
.logo-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 4px;
}

/* 卡片 */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

/* 荧光绿/赛博粉文字 (Light Mode 深色实色，确保对比度) */
.neon-green {
  color: #1a8a10;
  font-weight: 900;
  text-shadow: 0 0 6px rgba(26, 138, 16, 0.15);
}
.cyber-pink {
  color: #c41a6e;
  font-weight: 900;
  text-shadow: 0 0 6px rgba(196, 26, 110, 0.15);
}

/* 动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
  50% { box-shadow: 0 0 40px var(--accent-glow), 0 0 60px rgba(26,138,16,0.1); }
}

@keyframes neonFlicker {
  0%, 100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: 0.7; }
  94% { opacity: 1; }
  96% { opacity: 0.8; }
  97% { opacity: 1; }
}

.animate-fadeInUp { animation: fadeInUp 0.6s ease-out forwards; }
.animate-fadeIn { animation: fadeIn 0.4s ease-out forwards; }
.animate-slideInRight { animation: slideInRight 0.5s ease-out forwards; }
.animate-scaleIn { animation: scaleIn 0.4s ease-out forwards; }
.animate-glow { animation: glow 2s ease-in-out infinite; }

/* 工具类 */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* 进度条 */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--bg-secondary);
  border-radius: 2px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #1a8a10, var(--accent));
  border-radius: 2px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Toast 通知 */
.toast-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
}
.toast {
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  animation: fadeInUp 0.3s ease-out;
  font-size: 0.9rem;
}

/* 滚动条 */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* 响应式 */
@media (max-width: 520px) {
  .page-container { padding: 16px; }
  .logo-text { font-size: 2rem; }
  .btn { padding: 12px 24px; font-size: 0.9rem; }
}

/* ========== 底部广告文案 ========== */
.ad-bar {
  width: 100%;
  padding: 20px 16px;
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  margin-top: 32px;
}

.ad-text {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-muted);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.ad-text.ad-visible {
  opacity: 1;
  transform: translateY(0);
}

.ad-link {
  font-weight: 700;
  text-decoration: none;
  transition: filter 0.2s ease;
}

.ad-link:hover {
  filter: brightness(1.3);
  text-decoration: underline;
}