/* Global styles ported from Astro project */

@font-face {
  font-family: '像素体';
  src: url('/fonts/像素体.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Brand + theme tokens (Light: Cloud Sky) */
  --gradient-brand: linear-gradient(135deg, #8FD3FF, #4A6CFF);
  --color-glow: #9FD2FF;

  --color-primary: #5A8CFF;
  --color-primary-dark: #3F6BFF;
  --color-secondary: #8FD3FF;
  --color-accent: #4A6CFF;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-info: #0ea5e9;

  --color-bg: #F6F9FF;
  --color-card-bg: rgba(255, 255, 255, 0.78);
  --color-text: #1A2340;
  --color-text-light: #5E6A8A;
  --color-border: rgba(0, 0, 0, 0.08);

  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-shadow: 0 12px 40px rgba(159, 210, 255, 0.22);
  --glass-backdrop: blur(20px) saturate(180%);

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --radius-xl: 50px;
  --radius-full: 9999px;

  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-elastic: cubic-bezier(0.5, 1.8, 0.5, 1);

  --shadow-sm: 0 4px 12px rgba(159, 210, 255, 0.18), 0 2px 6px rgba(26, 35, 64, 0.08);
  --shadow-md: 0 10px 28px rgba(159, 210, 255, 0.24), 0 6px 14px rgba(26, 35, 64, 0.10);
  --shadow-lg: 0 18px 52px rgba(159, 210, 255, 0.30), 0 10px 24px rgba(26, 35, 64, 0.12);
  --shadow-xl: 0 26px 72px rgba(159, 210, 255, 0.34), 0 14px 34px rgba(26, 35, 64, 0.14);
  --shadow-glow: 0 0 44px rgba(159, 210, 255, 0.55);

  --font-main: '像素体', 'Quicksand', 'Noto Sans SC', sans-serif;
  --font-title: '像素体', 'Quicksand', 'Noto Sans SC', sans-serif;
}

[data-theme="dark"] {
  /* Dark: Star Sky */
  --color-glow: #7FD4FF;

  --color-primary: #6AA8FF;
  --color-primary-dark: #4A6CFF;
  --color-secondary: #8FD3FF;
  --color-accent: #4A6CFF;

  --color-bg: #0B132B;
  --color-card-bg: rgba(255, 255, 255, 0.07);
  --color-text: #FFFFFF;
  --color-text-light: #A8B3CF;
  --color-border: rgba(255, 255, 255, 0.20);

  --glass-bg: rgba(255, 255, 255, 0.10);
  --glass-border: rgba(255, 255, 255, 0.20);
  --glass-shadow: 0 12px 40px rgba(10, 15, 40, 0.55);

  --shadow-sm: 0 6px 16px rgba(127, 212, 255, 0.12), 0 2px 10px rgba(109, 40, 217, 0.10);
  --shadow-md: 0 14px 34px rgba(127, 212, 255, 0.15), 0 8px 22px rgba(109, 40, 217, 0.14);
  --shadow-lg: 0 22px 60px rgba(127, 212, 255, 0.18), 0 12px 34px rgba(109, 40, 217, 0.18);
  --shadow-xl: 0 34px 90px rgba(127, 212, 255, 0.20), 0 18px 50px rgba(109, 40, 217, 0.22);
  --shadow-glow: 0 0 52px rgba(127, 212, 255, 0.45);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s var(--ease-smooth), color 0.3s var(--ease-smooth);
  overflow-x: hidden;
}

.background-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.background-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1.2s var(--ease-smooth);
}

.background-image.active {
  opacity: 1;
}

.background-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg,
    var(--color-bg) 0%,
    transparent 30%,
    transparent 70%,
    var(--color-bg) 100%
  );
  opacity: 0.8;
  z-index: 1;
}

.main-content {
  min-height: 100vh;
  padding-top: 70px;
  position: relative;
  z-index: 0;
}

.card {
  background: var(--color-card-bg);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  margin: 1rem 0;
  transition: all 0.3s var(--ease-smooth);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card.static-card:hover {
  transform: none;
  box-shadow: var(--shadow-md);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-main);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s var(--ease-smooth);
  gap: 0.5rem;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.12) inset,
    0 10px 26px rgba(0, 0, 0, 0.10),
    var(--shadow-glow);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--color-text);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: var(--color-card-bg);
  transform: translateY(-2px);
}

.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

@media (max-width: 768px) {
  .page-container {
    padding: 1rem;
  }

  .card {
    padding: 1.5rem;
    margin: 0.5rem 0;
  }
}

.fade-in {
  animation: fadeIn 0.6s var(--ease-smooth);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--glass-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

::selection {
  background: var(--color-primary);
  color: white;
}

::-moz-selection {
  background: var(--color-primary);
  color: white;
}