/* =====================================================
   Theme 15: 海洋蓝 Ocean Blue
   深色配色方案 - Dark Upgrade
   ===================================================== */

:root {
  /* === 三层背景体系 === */
  --color-body-bg: #001125;
  --color-bg: #00264D;
  --color-surface: #00264D;
  --color-surface-2: #003A70;

  /* === 品牌色 === */
  --color-primary: #0288D1;
  --color-secondary: #00BCD4;
  --color-accent: #E1F5FE;
  --color-text: #90CAF9;
  --color-heading: #FFFFFF;
  --color-link: #00BCD4;
  --color-link-hover: #4DD0E1;

  /* === Hero背景（渐变+图片+遮罩） === */
  --hero-bg: linear-gradient(180deg, #001125 0%, #00264D 50%, #001125 100%);
  --hero-bg-image: url('/wp-content/themes/slots-master/assets/images/casino-bg/casino-15.jpg');
  --hero-bg-overlay: linear-gradient(180deg, rgba(0,17,37,0.85) 0%, rgba(0,38,77,0.72) 100%);
  --hero-glow: radial-gradient(circle at 50% 50%, rgba(2,136,209,0.15) 0%, transparent 60%);
  --hero-title-color: #FFFFFF;
  --hero-subtitle-color: #90CAF9;
  --hero-tag-bg: rgba(2,136,209,0.12);
  --hero-tag-color: #00BCD4;
  --hero-tag-border: 1px solid rgba(2,136,209,0.25);

  /* === CTA按钮 === */
  --btn-register-bg: #0288D1;
  --btn-register-color: #FFFFFF;
  --btn-register-hover: #0277BD;
  --btn-download-bg: transparent;
  --btn-download-border: 2px solid #00BCD4;
  --btn-download-color: #00BCD4;
  --btn-download-hover-bg: #00BCD4;
  --btn-download-hover-color: #001125;
  --btn-support-bg: rgba(255,255,255,0.06);
  --btn-support-color: #90CAF9;
  --btn-support-hover-bg: rgba(255,255,255,0.12);

  /* === 导航栏按钮 === */
  --nav-btn-register-bg: #0288D1;
  --nav-btn-register-color: #FFFFFF;
  --nav-btn-download-bg: transparent;
  --nav-btn-download-border: 1px solid #00BCD4;
  --nav-btn-download-color: #00BCD4;

  /* === 滚动提示 === */
  --scroll-hint-color: #0288D1;
  --scroll-hint-animation: breathe;

  /* === 字体 === */
  --font-heading: 'Nunito', sans-serif;
  --font-body: 'Rubik', sans-serif;

  /* === 圆角 === */
  --radius-button: 12px;
  --radius-card: 16px;
  --radius-tag: 50px;

  /* === 阴影 === */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(2,136,209,0.15);
  --shadow-lg: 0 8px 32px rgba(2,136,209,0.25);

  /* === 布局 === */
  --header-height: 66px;
  --header-bg: rgba(0,17,37,0.93);
  --header-border: 1px solid rgba(2,136,209,0.12);

  /* === 赌场装饰 === */
  --casino-decor-color: rgba(2,136,209,0.08);
  --casino-decor-accent: rgba(0,188,212,0.06);
}

/* ============ Hero & Navigation Enhancement ============ */
:root {
  --particle-color-1: rgba(2,136,209,0.4);
  --particle-color-2: rgba(0,188,212,0.2);
  --particle-shape: circle;
  --particle-line-color: rgba(2,136,209,0.05);
  --hero-title-gradient: linear-gradient(135deg, #FFFFFF 0%, #0288D1 50%, #00BCD4 100%);
  --hero-visual-filter: drop-shadow(0 0 30px rgba(2,136,209,0.25));
  --hero-visual-glow: rgba(2,136,209,0.08);
  --stats-bar-bg: rgba(2,136,209,0.04);
  --stats-bar-border: rgba(0,188,212,0.12);
  --badge-bg: rgba(2,136,209,0.1);
  --badge-color: #00BCD4;
  --badge-border: rgba(2,136,209,0.2);
  --nav-glass-bg: rgba(0,17,37,0.85);
  --btn-register-glow: rgba(2,136,209,0.2);
}