@tailwind base;
@tailwind components;
@tailwind utilities;

/* 테마 CSS 변수 */
:root {
  /* 다크 테마 (기본) */
  --bg-primary: #141414;
  --bg-secondary: #1c1c1c;
  --bg-tertiary: #252525;
  --bg-card: #1c1c1c;
  --bg-hover: rgba(255, 255, 255, 0.05);

  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --text-muted: #52525b;

  --border-color: rgba(255, 255, 255, 0.1);
  --border-subtle: rgba(255, 255, 255, 0.05);

  --shadow-color: rgba(0, 0, 0, 0.3);
}

/* 라이트 테마 */
.light {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-hover: rgba(0, 0, 0, 0.05);

  --text-primary: #18181b;
  --text-secondary: #52525b;
  --text-tertiary: #71717a;
  --text-muted: #a1a1aa;

  --border-color: rgba(0, 0, 0, 0.1);
  --border-subtle: rgba(0, 0, 0, 0.05);

  --shadow-color: rgba(0, 0, 0, 0.1);

  /* 글래스 및 카드 */
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(0, 0, 0, 0.1);
  --glass-dark-bg: rgba(248, 250, 252, 0.95);
  --card-bg: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(248, 250, 252, 0.98) 100%
  );
  --card-border: rgba(0, 0, 0, 0.1);
}

/* 기본 html, body 스타일 */
html {
  scrollbar-gutter: stable; /* 스크롤바 공간 예약 (세로 스크롤바) */
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* PC 레이아웃 - min-width 적용 */
body.desktop-layout {
  min-width: 1400px;
}

/* 모바일 레이아웃 */
body.mobile-layout {
  min-width: unset;
  width: 100%;
  overflow-x: hidden;
  min-height: auto;
}

@layer utilities {
  /* 텍스트 그림자 */
  .text-shadow {
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.5);
  }
  .text-shadow-sm {
    text-shadow: 1px 1px 0px rgba(0, 0, 0, 0.5);
  }
  .text-shadow-lg {
    text-shadow: 3px 3px 0px rgba(0, 0, 0, 0.5);
  }

  /* 그라디언트 텍스트 */
  .text-gradient {
    background: linear-gradient(135deg, #4ade80 0%, #22d3ee 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* 글래스모피즘 */
  .glass {
    background: var(--glass-bg, rgba(28, 28, 28, 0.8));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border, rgba(74, 222, 128, 0.1));
  }

  .glass-dark {
    background: var(--glass-dark-bg, rgba(20, 20, 20, 0.9));
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
  }

  /* 글로우 카드 효과 */
  .glow-card {
    position: relative;
    background: var(
      --card-bg,
      linear-gradient(
        135deg,
        rgba(28, 28, 28, 0.95) 0%,
        rgba(24, 24, 24, 0.95) 100%
      )
    );
    border: 1px solid var(--card-border, rgba(74, 222, 128, 0.15));
    transition: all 0.3s ease;
  }

  .glow-card::before {
    content: "";
    position: absolute;
    inset: -1px;
    background: linear-gradient(
      135deg,
      rgba(74, 222, 128, 0.2) 0%,
      rgba(34, 211, 238, 0.2) 100%
    );
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .glow-card:hover::before {
    opacity: 1;
  }

  .glow-card:hover {
    border-color: rgba(74, 222, 128, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(74, 222, 128, 0.15);
  }

  /* Shimmer 효과 */
  .shimmer {
    background: linear-gradient(
      90deg,
      rgba(37, 37, 37, 0.5) 25%,
      rgba(74, 222, 128, 0.1) 50%,
      rgba(37, 37, 37, 0.5) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite linear;
  }

  /* 아이콘 글로우 */
  .icon-glow {
    filter: drop-shadow(0 0 8px rgba(74, 222, 128, 0.5));
  }

  /* 호버 리프트 효과 */
  .hover-lift {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

  .hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
  }

  /* 버튼 글로우 */
  .btn-glow {
    position: relative;
    overflow: hidden;
  }

  .btn-glow::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
      135deg,
      transparent 0%,
      rgba(255, 255, 255, 0.1) 50%,
      transparent 100%
    );
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .btn-glow:hover::after {
    transform: translateX(100%);
  }
}

/* 온라인 상태 표시기 펄스 */
.online-pulse {
  animation: pulse-ring 1.5s cubic-bezier(0.455, 0.03, 0.515, 0.955) infinite;
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(74, 222, 128, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(74, 222, 128, 0);
  }
}

/* 배경 파티클 효과용 */
.particles-bg {
  background-image: radial-gradient(
      circle at 20% 80%,
      rgba(74, 222, 128, 0.04) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(34, 211, 238, 0.04) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 40%,
      rgba(74, 222, 128, 0.03) 0%,
      transparent 30%
    );
}

/* 커스텀 스크롤바 */
.custom-scrollbar::-webkit-scrollbar {
  width: 8px;
}

.custom-scrollbar::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
  background: rgba(74, 222, 128, 0.3);
  border-radius: 4px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: rgba(74, 222, 128, 0.5);
}

/* 픽셀 이미지 렌더링 */
.pixelated {
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

/* Details 펼치기/접기 애니메이션 */
details .details-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease-out;
}

details[open] .details-content {
  grid-template-rows: 1fr;
}

details .details-content > div {
  overflow: hidden;
}