@layer base, components, utilities;

@layer base {
  :root {
    --sky-top: #e3f2fd;
    --sky-mid: #f3f9ff;
    --sky-bot: #ffffff;
    --cloud-bg: rgba(255, 255, 255, 0.9);
    --cloud-shadow: rgba(140, 190, 230, 0.25);
    --accent: #7fbce1;
    --accent-dark: #5a9cbd;
    --gold: #f1c40f;
    --heart: #ff8a80;
    --text-dark: #455a64;
    --text-mid: #78909c;
    --text-light: #b0bec5;
    --font-main: 'Gowun Batang', serif;
    --font-title: 'Nanum Myeongjo', serif;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  body {
    font-family: var(--font-main);
    background: linear-gradient(180deg, var(--sky-top) 0%, var(--sky-mid) 50%, var(--sky-bot) 100%);
    min-height: 100vh; color: var(--text-dark); overflow-x: hidden; line-height: 1.8;
    display: flex; flex-direction: column; align-items: center;
  }
}

@layer components {
  /* Background Clouds */
  .bg-clouds { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
  .bg-cloud { position: absolute; background: white; border-radius: 50%; filter: blur(40px); opacity: 0.6; animation: bcFloat 30s ease-in-out infinite; }
  @keyframes bcFloat { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(40px, -20px) scale(1.1); } }

  /* Header */
  header {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 60px 20px 30px;
    width: 100%;
    max-width: 800px;
  }

  .admin-top-link {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 0.7rem;
    color: var(--accent-dark);
    text-decoration: none;
    opacity: 0.3;
    transition: 0.3s;
    font-weight: 700;
    border: 1px solid var(--accent-dark);
    padding: 3px 10px;
    border-radius: 20px;
  }

  .admin-top-link:hover {
    opacity: 1;
    background: rgba(127, 188, 225, 0.1);
  }

  .site-title { font-family: var(--font-title); font-size: clamp(2.5rem, 8vw, 3.5rem); font-weight: 800; color: var(--accent-dark); letter-spacing: -0.02em; margin-bottom: 8px; }
  .site-subtitle { font-size: 1rem; color: var(--text-mid); margin-bottom: 25px; word-break: keep-all; }

  /* Date Nav */
  .date-nav { display: flex; align-items: center; justify-content: center; gap: 1.2rem; margin-bottom: 20px; }
  .nav-btn { background: rgba(255, 255, 255, 0.5); border: 1px solid rgba(127, 188, 225, 0.2); border-radius: 50%; width: 34px; height: 34px; font-size: 0.9rem; color: var(--accent-dark); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.3s ease; backdrop-filter: blur(5px); }
  .nav-btn:hover { background: white; transform: scale(1.1); box-shadow: 0 4px 10px rgba(127, 188, 225, 0.2); }
  .today-label { display: inline-block; background: rgba(255, 255, 255, 0.7); padding: 8px 24px; border-radius: 50px; font-size: 1rem; font-weight: 700; color: var(--accent-dark); border: 1px solid rgba(127, 188, 225, 0.3); min-width: 200px; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05); }
  .today-btn { background: var(--accent-dark); color: white; border: none; border-radius: 30px; padding: 6px 15px; font-size: 0.8rem; font-weight: 700; cursor: pointer; transition: 0.3s; }

  /* Dashboard */
  .dashboard-container { display: grid; grid-template-columns: 1fr 340px; gap: 40px; width: 100%; max-width: 1400px; padding: 0 30px 60px; z-index: 5; margin: 0 auto; align-items: start; }
  @media (max-width: 1100px) { .dashboard-container { grid-template-columns: 1fr; padding: 0 20px 40px; } .sidebar { order: 2; } .main-content { order: 1; } }
  .main-content { min-width: 0; width: 100%; }

  /* Featured Post (Rank 1) */
  #featuredPostArea { width: 100%; display: flex; justify-content: center; z-index: 20; }
  .featured-cloud-container { width: 100%; max-width: 600px; margin: 10px auto 40px; position: relative; }
  .featured-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--heart); color: white; padding: 6px 25px; border-radius: 30px; font-size: 0.95rem; font-weight: 800; z-index: 25; box-shadow: 0 8px 20px rgba(255, 138, 128, 0.4); white-space: nowrap; }
  .featured-card { border: 4px solid var(--heart) !important; background: linear-gradient(135deg, #ffffff 0%, #fff9f9 100%) !important; box-shadow: 0 30px 70px rgba(255, 138, 128, 0.25) !important; border-radius: 70px 70px 70px 30px !important; transform: scale(1.03); }

  /* Grid Area */
  .clouds-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 30px; width: 100%; }
  .cloud-card { background: var(--cloud-bg); backdrop-filter: blur(15px); padding: 30px; border-radius: 60px 60px 60px 20px; box-shadow: 0 12px 30px var(--cloud-shadow); border: 2px solid white; transition: all 0.4s ease; display: flex; flex-direction: column; gap: 15px; position: relative; overflow: hidden; min-height: 280px; }
  .cloud-card:nth-child(even) { border-radius: 60px 20px 60px 60px; }
  .cloud-card:hover { transform: translateY(-8px) rotate(0.5deg); box-shadow: 0 20px 45px rgba(140, 190, 230, 0.35); }

  .card-author { font-weight: 700; color: var(--accent-dark); font-size: 0.9rem; margin-top: 5px; }
  .card-content { font-size: 1rem; color: var(--text-dark); flex-grow: 1; word-break: break-all; overflow-wrap: break-word; line-height: 1.6; }
  .card-content.scrollable { max-height: 12em; overflow-y: auto; padding-right: 8px; }
  .card-content.scrollable::-webkit-scrollbar { width: 5px; }
  .card-content.scrollable::-webkit-scrollbar-track { background: rgba(127, 188, 225, 0.05); border-radius: 10px; }
  .card-content.scrollable::-webkit-scrollbar-thumb { background: rgba(127, 188, 225, 0.2); border-radius: 10px; }

  /* Footer & Metadata & Actions */
  .card-footer { border-top: 1px dashed rgba(127, 188, 225, 0.2); padding-top: 12px; display: flex; justify-content: space-between; align-items: center; }
  .card-meta { display: flex; flex-direction: column; gap: 5px; }
  .card-time { font-size: 0.8rem; color: var(--text-light); }
  .card-actions { display: flex; gap: 10px; }
  .action-icon-btn { background: none; border: none; cursor: pointer; font-size: 0.9rem; opacity: 0.6; transition: 0.3s; padding: 2px; }
  .action-icon-btn:hover { opacity: 1; transform: scale(1.2); }

  .soft-rank {
    position: absolute;
    top: 15px;
    left: 25px;
    font-size: 0.65rem;
    font-weight: 800;
    color: white;
    background: var(--accent);
    padding: 2px 10px;
    border-radius: 15px;
    z-index: 5;
    box-shadow: 0 4px 10px rgba(127, 188, 225, 0.2);
  }
  .cloud-card.rank-2 { border: 3px solid rgba(176, 190, 197, 0.3) !important; background: linear-gradient(135deg, #ffffff 0%, #f7f9fa 100%) !important; }
  .cloud-card.rank-2 .soft-rank { background: #b0bec5; }
  .cloud-card.rank-3 { border: 3px solid rgba(184, 115, 51, 0.15) !important; background: linear-gradient(135deg, #ffffff 0%, #fff9f5 100%) !important; }
  .cloud-card.rank-3 .soft-rank { background: #cd7f32; opacity: 0.8; }

  .like-btn { background: rgba(255, 138, 128, 0.08); color: var(--heart); border: none; padding: 6px 16px; border-radius: 30px; cursor: pointer; font-weight: 700; transition: 0.3s; font-size: 0.85rem; }
  .like-btn:hover { background: var(--heart); color: white; }
  .like-btn.liked { background: var(--heart); color: white; cursor: default; }

  .delete-btn { position: absolute; top: 15px; right: 20px; background: none; border: none; color: var(--text-light); font-size: 1.1rem; cursor: pointer; opacity: 0; transition: 0.3s; padding: 5px; }
  .cloud-card:hover .delete-btn { opacity: 1; }

  /* Sidebar Widgets */
  .sidebar { display: flex; flex-direction: column; gap: 30px; position: sticky; top: 40px; min-width: 320px; }
  .widget { background: var(--cloud-bg); backdrop-filter: blur(20px); padding: 30px; border-radius: 40px 40px 40px 15px; box-shadow: 0 12px 30px var(--cloud-shadow); border: 2px solid white; transition: all 0.4s ease; position: relative; width: 100%; }
  .widget:nth-child(even) { border-radius: 40px 15px 40px 40px; }
  .widget-title { font-family: var(--font-title); font-size: 1.15rem; color: var(--accent-dark); margin-bottom: 18px; border-bottom: 2px dashed rgba(127, 188, 225, 0.2); padding-bottom: 10px; font-weight: 800; }
  .widget-content { font-size: 0.95rem; color: var(--text-dark); line-height: 1.8; word-break: keep-all; }
  .widget-content .highlight { color: var(--accent-dark); font-weight: 700; }
  .widget-content .author { display: block; margin-top: 12px; font-size: 0.85rem; color: var(--text-mid); text-align: right; }

  /* Ad Slots */
  .ad-slot { background: rgba(255, 255, 255, 0.3); border: 1px dashed rgba(127, 188, 225, 0.3); border-radius: 30px; overflow: hidden; margin: 20px 0; display: flex; justify-content: center; align-items: center; min-height: 100px; }

  /* Buttons & Modals */
  .write-btn { background: linear-gradient(135deg, #ffffff, #f3f9ff); color: var(--accent-dark); border: none; border-radius: 50px; padding: 18px 45px; font-size: 1.2rem; font-weight: 700; cursor: pointer; transition: all 0.4s ease; box-shadow: 0 10px 25px rgba(127, 188, 225, 0.3); display: inline-flex; align-items: center; gap: 12px; margin-top: 10px; }
  .write-btn:hover { transform: translateY(-5px); box-shadow: 0 15px 35px rgba(90, 156, 189, 0.35); }

  .modal-overlay { position: fixed !important; top: 0 !important; left: 0 !important; width: 100% !important; height: 100% !important; background: rgba(227, 242, 253, 0.8) !important; backdrop-filter: blur(15px) !important; z-index: 10000 !important; display: none !important; place-items: center !important; opacity: 0 !important; transition: opacity 0.4s ease !important; }
  .modal-overlay.open { display: grid !important; opacity: 1 !important; }
  .modal { background: white !important; padding: 40px !important; border-radius: 60px 60px 60px 20px !important; width: 90% !important; max-width: 500px !important; box-shadow: 0 30px 70px rgba(127, 188, 225, 0.3) !important; transform: scale(0.9) !important; transition: all 0.4s ease !important; position: relative !important; }
  .modal-overlay.open .modal { transform: scale(1) !important; }
  .modal-title { font-family: var(--font-title); color: var(--accent-dark); font-size: 1.5rem; margin-bottom: 10px; font-weight: 800; }
  .modal-wotd-hint { background: rgba(127, 188, 225, 0.1); border: 1px dashed var(--accent); padding: 12px 20px; border-radius: 20px; font-size: 0.9rem; color: var(--accent-dark); margin-bottom: 25px; text-align: center; }
  .modal-wotd-hint span { font-weight: 800; color: var(--accent-dark); font-size: 1.1rem; }
  
  textarea, input[type="text"], input[type="password"] { width: 100%; padding: 15px 25px; border-radius: 30px; border: 2px solid var(--sky-top); outline: none; font-family: var(--font-main); }
  .btn-cancel, .btn-submit, .btn-delete-confirm { padding: 12px 40px; border-radius: 40px; border: none; font-weight: 700; cursor: pointer; transition: 0.3s; }
  .btn-cancel { background: var(--sky-top); color: var(--accent-dark); }
  .btn-submit { background: linear-gradient(135deg, var(--sky-top), var(--sky-mid)); color: var(--accent-dark); }

  footer { padding: 60px 20px; color: var(--text-light); text-align: center; width: 100%; max-width: 1200px; border-top: 1px solid rgba(127, 188, 225, 0.15); margin-top: 40px; }
  .footer-links a { color: var(--accent-dark); text-decoration: none; margin: 0 10px; font-weight: 700; }
  .back-link { display: inline-block; margin-bottom: 20px; color: var(--accent-dark); text-decoration: none; font-weight: 700; transition: 0.3s; }
  .back-link:hover { transform: translateX(-5px); }

  /* Floating Scroll Top Button */
  .scroll-top-btn { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; border-radius: 50%; background: var(--accent-dark); color: white; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; cursor: pointer; border: none; box-shadow: 0 5px 15px rgba(0,0,0,0.1); opacity: 0; pointer-events: none; transition: 0.3s; z-index: 100; }
  .scroll-top-btn.visible { opacity: 1; pointer-events: auto; }
}