/* =====================================================
   Theme 19: 量子科技 Quantum Tech
   深色配色方案 - Dark Upgrade
   ===================================================== */

:root {
  /* === 三层背景体系 === */
  --color-body-bg: #001A1F;
  --color-bg: #003040;
  --color-surface: #003040;
  --color-surface-2: #004658;

  /* === 品牌色 === */
  --color-primary: #00BCD4;
  --color-secondary: #4DD0E1;
  --color-accent: #006064;
  --color-text: #80DEEA;
  --color-heading: #E0F7FA;
  --color-link: #00BCD4;
  --color-link-hover: #4DD0E1;

  /* === Hero背景（渐变+图片+遮罩） === */
  --hero-bg: linear-gradient(135deg, #001A1F 0%, #003040 50%, #001A1F 100%);
  --hero-bg-image: url('/wp-content/themes/slots-master/assets/images/casino-bg/casino-19.jpg');
  --hero-bg-overlay: linear-gradient(135deg, rgba(0,26,31,0.85) 0%, rgba(0,48,64,0.72) 100%);
  --hero-glow: radial-gradient(circle at 50% 50%, rgba(0,188,212,0.15) 0%, transparent 60%);
  --hero-title-color: #E0F7FA;
  --hero-subtitle-color: #80DEEA;
  --hero-tag-bg: rgba(0,188,212,0.12);
  --hero-tag-color: #4DD0E1;
  --hero-tag-border: 1px solid rgba(0,188,212,0.25);

  /* === CTA按钮 === */
  --btn-register-bg: #00BCD4;
  --btn-register-color: #001A1F;
  --btn-register-hover: #0097A7;
  --btn-download-bg: transparent;
  --btn-download-border: 2px solid #4DD0E1;
  --btn-download-color: #4DD0E1;
  --btn-download-hover-bg: #4DD0E1;
  --btn-download-hover-color: #001A1F;
  --btn-support-bg: rgba(255,255,255,0.06);
  --btn-support-color: #80DEEA;
  --btn-support-hover-bg: rgba(255,255,255,0.12);

  /* === 导航栏按钮 === */
  --nav-btn-register-bg: #00BCD4;
  --nav-btn-register-color: #001A1F;
  --nav-btn-download-bg: transparent;
  --nav-btn-download-border: 1px solid #4DD0E1;
  --nav-btn-download-color: #4DD0E1;

  /* === 滚动提示 === */
  --scroll-hint-color: #00BCD4;
  --scroll-hint-animation: pulse;

  /* === 字体 === */
  --font-heading: 'Rajdhani', sans-serif;
  --font-body: 'Exo 2', sans-serif;

  /* === 圆角 === */
  --radius-button: 4px;
  --radius-card: 8px;
  --radius-tag: 4px;

  /* === 阴影 === */
  --shadow-sm: 0 0 10px rgba(0,188,212,0.12);
  --shadow-md: 0 0 20px rgba(0,188,212,0.18);
  --shadow-lg: 0 0 30px rgba(0,188,212,0.25);

  /* === 布局 === */
  --header-height: 62px;
  --header-bg: rgba(0,26,31,0.93);
  --header-border: 1px solid rgba(0,188,212,0.12);

  /* === 赌场装饰 === */
  --casino-decor-color: rgba(0,188,212,0.08);
  --casino-decor-accent: rgba(77,208,225,0.06);
}

/* ============ Hero & Navigation Enhancement ============ */
:root {
  --particle-color-1: rgba(0,188,212,0.4);
  --particle-color-2: rgba(77,208,225,0.2);
  --particle-shape: dot;
  --particle-line-color: rgba(0,188,212,0.05);
  --hero-title-gradient: linear-gradient(135deg, #E0F7FA 0%, #00BCD4 50%, #4DD0E1 100%);
  --hero-visual-filter: drop-shadow(0 0 30px rgba(0,188,212,0.25));
  --hero-visual-glow: rgba(0,188,212,0.08);
  --stats-bar-bg: rgba(0,188,212,0.04);
  --stats-bar-border: rgba(77,208,225,0.12);
  --badge-bg: rgba(0,188,212,0.1);
  --badge-color: #4DD0E1;
  --badge-border: rgba(0,188,212,0.2);
  --nav-glass-bg: rgba(0,26,31,0.85);
  --btn-register-glow: rgba(0,188,212,0.2);
}