@layer base, layout, components, utilities;

@layer base {
  :root {
    --bg-color-start: #25163F;
    --bg-color-end: #3B167C;
    --text-color: #FFFFFF;
    --accent-color: #FFD700;
    --accent-glow: rgba(255, 215, 0, 0.5);
    --secondary-color: #FFA500;
    --surface-color: rgba(37, 22, 63, 0.7);
    --border-color: rgba(255, 215, 0, 0.2);
    
    --font-main: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
  }

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

  body {
    background: linear-gradient(135deg, var(--bg-color-start), var(--bg-color-end));
    background-attachment: fixed;
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
  }

  h1, h2, h3 {
    line-height: 1.1;
    font-weight: 900;
  }
}

@layer layout {
  #app {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 4rem;
  }

  header {
    text-align: center;
    padding-block: 2rem;
  }

  header h1 {
    font-size: clamp(2.5rem, 8vw, 4rem);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
    /* Removed text gradient as requested */
    text-shadow: 0 0 20px var(--accent-glow);
  }

  header h1 span {
    display: block;
    font-size: 0.35em;
    font-weight: 500;
    letter-spacing: 0.5em;
    color: var(--text-color);
    opacity: 0.8;
    margin-top: 0.5rem;
  }

  main {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    align-items: center;
    width: 100%;
  }

  .generator-area {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    width: 100%;
  }

  .storage-area {
    width: 100%;
    border-top: 1px solid var(--border-color);
    padding-top: 3rem;
  }

  .storage-area h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--accent-color);
  }
}

@layer components {
  .primary-btn {
    background: var(--accent-color);
    color: #25163F;
    border: none;
    padding: 1.2rem 4rem;
    font-size: 1.2rem;
    font-weight: 900;
    border-radius: 3rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 30px var(--accent-glow);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-family: var(--font-main);
  }

  .primary-btn:hover:not(:disabled) {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 0 50px var(--accent-glow);
  }

  .primary-btn:disabled {
    opacity: 0.2;
    cursor: not-allowed;
    box-shadow: none;
  }

  .action-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 1rem;
  }
}