@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;600;700&family=Zen+Kaku+Gothic+New:wght@300;400;500;700&family=Shippori+Mincho:wght@400;500;600;700&display=swap');

:root{--bg-primary:#FAF6F0;--bg-secondary:#F5EFE6;--bg-paper:#FDF9F3;--bg-toolbar:#3D3A36;--text-primary:#2D2A26;--text-secondary:#6B635A;--text-muted:#A39E96;--accent:#C0392B;--accent-soft:#E74C3C;--accent-author:#8E44AD;--accent-author-soft:#9B59B6;--border:#E2DCD4;--border-light:#EDE8E0;--shadow:rgba(45,42,38,0.08);--shadow-strong:rgba(45,42,38,0.15);--panel-bg:#FFFFFF;--card-bg:#FFFFFF;--hero-from:#2D2A26;--hero-to:#6B4423}
[data-theme="dark"]{--bg-primary:#1A1A1A;--bg-secondary:#222;--bg-paper:#252525;--bg-toolbar:#222;--text-primary:#E8E0D8;--text-secondary:#A09890;--text-muted:#706860;--accent:#E74C3C;--accent-soft:#FF6B5A;--accent-author:#9B59B6;--accent-author-soft:#BB7CD4;--border:#3A3530;--border-light:#302C28;--shadow:rgba(0,0,0,0.3);--shadow-strong:rgba(0,0,0,0.5);--panel-bg:#2A2A2A;--card-bg:#2A2A2A;--hero-from:#111;--hero-to:#2A1428}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Zen Kaku Gothic New','Noto Serif JP',serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.7;min-height:100vh}
.font-serif{font-family:'Shippori Mincho','Noto Serif JP',serif}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:3px}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.anim-fade{animation:fadeIn .4s ease-out}
.anim-slide{animation:slideUp .5s ease-out}

/* === Header === */
.portal-header{background:var(--bg-toolbar);color:#fff;padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:30;box-shadow:0 2px 12px var(--shadow-strong)}
.portal-header .logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.portal-header .logo-text{font-family:'Shippori Mincho',serif;font-size:22px;font-weight:700;letter-spacing:2px}
.portal-header .logo-sub{font-size:11px;opacity:.5;margin-left:4px}
.header-actions{display:flex;align-items:center;gap:8px}

/* === Hero === */
.portal-hero{background:linear-gradient(160deg,var(--hero-from) 0%,var(--hero-to) 100%);color:#FAF6F0;padding:64px 24px;text-align:center;position:relative;overflow:hidden}
.portal-hero::after{content:'物語';position:absolute;right:-40px;top:50%;transform:translateY(-50%);font-size:200px;font-family:'Shippori Mincho',serif;font-weight:700;opacity:.04;pointer-events:none;writing-mode:vertical-rl}
.portal-hero h1{font-family:'Shippori Mincho',serif;font-size:clamp(28px,5vw,48px);font-weight:700;margin-bottom:12px;letter-spacing:3px}
.portal-hero p{font-size:16px;opacity:.7;margin-bottom:8px}
.hero-stats{display:flex;justify-content:center;gap:32px;margin-top:24px}
.hero-stat{text-align:center}
.hero-stat .num{font-size:28px;font-weight:700;display:block}
.hero-stat .label{font-size:12px;opacity:.5}

/* === Container === */
.portal-container{max-width:1200px;margin:0 auto;padding:0 24px}

/* === Section === */
.section-title{font-family:'Shippori Mincho',serif;font-size:24px;font-weight:600;margin:48px 0 24px;padding-bottom:12px;border-bottom:2px solid var(--border);display:flex;align-items:center;gap:10px}
.section-title .icon{font-size:20px}

/* === Featured Works === */
.featured-works{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:48px}

/* === Works Grid === */
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:48px}

/* === Work Card === */
.work-card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;overflow:hidden;cursor:pointer;transition:all .25s ease;position:relative}
.work-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px var(--shadow-strong);border-color:var(--accent-author)}
.card-banner{height:8px;width:100%}
.card-body{padding:20px}
.card-title{font-family:'Shippori Mincho',serif;font-size:18px;font-weight:600;margin-bottom:6px;line-height:1.4}
.card-author{font-size:13px;color:var(--text-muted);margin-bottom:10px}
.card-description{font-size:13px;color:var(--text-secondary);line-height:1.6;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-stats{display:flex;gap:12px;margin-bottom:10px;flex-wrap:wrap}
.stats-badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:var(--text-muted);background:var(--bg-secondary);padding:3px 10px;border-radius:12px}
.card-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.card-tags .tag{font-size:11px;padding:2px 10px;border-radius:10px;background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border-light)}
.card-footer{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--border-light)}

/* === Featured Card (large variant) === */
.featured-card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;overflow:hidden;cursor:pointer;transition:all .25s ease}
.featured-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px var(--shadow-strong)}
.featured-card .card-banner{height:6px}
.featured-card .card-body{padding:20px}
.featured-rank{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;color:#fff;z-index:2}
.rank-1{background:linear-gradient(135deg,#F59E0B,#D97706)}
.rank-2{background:linear-gradient(135deg,#9CA3AF,#6B7280)}
.rank-3{background:linear-gradient(135deg,#D97706,#92400E)}

/* === Ranking === */
.ranking-section{margin-bottom:48px}
.ranking-controls{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.ranking-sort-btn{padding:8px 18px;border-radius:20px;border:1px solid var(--border);background:var(--panel-bg);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all .2s;font-family:inherit}
.ranking-sort-btn:hover{border-color:var(--accent-author);color:var(--accent-author)}
.ranking-sort-btn.active{background:var(--accent-author);color:#fff;border-color:var(--accent-author)}
.ranking-list{display:flex;flex-direction:column;gap:8px}
.ranking-item{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--card-bg);border:1px solid var(--border);border-radius:12px;cursor:pointer;transition:all .2s}
.ranking-item:hover{border-color:var(--accent-author);box-shadow:0 4px 16px var(--shadow)}
.ranking-number{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;flex-shrink:0;background:var(--bg-secondary);color:var(--text-secondary)}
.ranking-item:nth-child(1) .ranking-number{background:linear-gradient(135deg,#F59E0B,#D97706);color:#fff}
.ranking-item:nth-child(2) .ranking-number{background:linear-gradient(135deg,#9CA3AF,#6B7280);color:#fff}
.ranking-item:nth-child(3) .ranking-number{background:linear-gradient(135deg,#D97706,#92400E);color:#fff}
.ranking-info{flex:1;min-width:0}
.ranking-title{font-weight:600;font-size:15px;margin-bottom:2px}
.ranking-author{font-size:12px;color:var(--text-muted)}
.ranking-stats{display:flex;gap:16px;flex-shrink:0}
.ranking-stats .stats-badge{font-size:12px}

/* === Vote Button === */
.vote-btn{display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border-radius:20px;border:1px solid var(--border);background:var(--panel-bg);color:var(--text-muted);font-size:13px;cursor:pointer;transition:all .2s;font-family:inherit;flex-shrink:0}
.vote-btn:hover{border-color:var(--accent);color:var(--accent)}
.vote-btn.voted{background:var(--accent);color:#fff;border-color:var(--accent)}
.vote-btn.voted:hover{background:var(--accent-soft)}
.vote-count{font-weight:600}

/* === Auth === */
.auth-buttons{display:flex;gap:8px}
.user-badge{display:flex;align-items:center;gap:8px;font-size:13px}
.user-badge .name{font-weight:500}

/* === Buttons === */
.btn{padding:8px 18px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;border:none;transition:all .2s;display:inline-flex;align-items:center;gap:6px;font-family:inherit}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-soft)}
.btn-author{background:var(--accent-author);color:#fff}.btn-author:hover{background:var(--accent-author-soft)}
.btn-ghost{background:transparent;color:var(--text-primary);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg-secondary)}
.btn-sm{padding:5px 12px;font-size:12px;border-radius:6px}
.btn-icon{width:36px;height:36px;padding:0;border-radius:8px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:inherit;cursor:pointer;transition:all .2s;font-size:18px}
.btn-icon:hover{background:rgba(255,255,255,.15)}

/* === Modal === */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:50;animation:fadeIn .2s ease}
.modal-content{background:var(--panel-bg);border-radius:16px;padding:32px;max-width:480px;width:95%;max-height:90vh;overflow-y:auto;box-shadow:0 24px 64px var(--shadow-strong)}
.modal-title{font-family:'Shippori Mincho',serif;font-size:20px;font-weight:700;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between}
.auth-form{display:flex;flex-direction:column;gap:16px}
.form-group{display:flex;flex-direction:column;gap:4px}
.form-group label{font-size:13px;font-weight:500;color:var(--text-secondary)}
.form-group input{padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:var(--panel-bg);color:var(--text-primary);transition:border-color .2s}
.form-group input:focus{outline:none;border-color:var(--accent-author)}
.tab-group{display:flex;gap:0;margin-bottom:20px;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.tab-btn{flex:1;padding:10px;text-align:center;font-size:14px;font-weight:500;cursor:pointer;background:var(--bg-secondary);border:none;color:var(--text-secondary);transition:all .2s;font-family:inherit}
.tab-btn.active{background:var(--accent-author);color:#fff}
.warning-banner{background:#FEF3C7;border:1px solid #F59E0B;border-radius:8px;padding:10px 14px;font-size:12px;color:#92400E;margin-bottom:8px}
[data-theme="dark"] .warning-banner{background:#451a03;border-color:#92400E;color:#FDE68A}

/* === Toast === */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--bg-toolbar);color:#fff;padding:12px 24px;border-radius:10px;font-size:14px;z-index:60;box-shadow:0 8px 24px var(--shadow-strong);animation:slideUp .3s ease;pointer-events:none}

/* === About / Mode Cards === */
.about-lead{font-size:17px;color:var(--text-secondary);text-align:center;margin-bottom:36px;line-height:1.9}
.mode-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:40px}
.mode-card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:28px;transition:all .25s ease;display:flex;flex-direction:column}
.mode-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px var(--shadow-strong)}
.mode-cta{margin-top:auto;padding-top:16px;display:flex;gap:8px;flex-wrap:wrap}
.mode-cta .btn{flex:1;justify-content:center;min-width:120px}
.welcome-banner{background:linear-gradient(135deg,#6366F1,#8B5CF6);color:#fff;padding:28px 32px;border-radius:16px;margin:24px auto;max-width:1100px;box-shadow:0 8px 24px rgba(99,102,241,.25)}
.welcome-title{font-size:22px;font-weight:700;margin-bottom:8px}
.welcome-role{font-size:13px;opacity:.85;margin-bottom:8px}
.welcome-tips{font-size:14px;line-height:1.7;opacity:.95}
.reader-mode-card{border-top:4px solid #3B82F6}
.author-mode-card{border-top:4px solid var(--accent-author)}
.mode-icon{font-size:36px;margin-bottom:12px}
.mode-title{font-size:20px;font-weight:700;margin-bottom:12px}
.mode-desc{font-size:14px;color:var(--text-secondary);line-height:1.8}
.mode-desc h4{font-size:14px;font-weight:600;color:var(--text-primary);margin:14px 0 8px;padding-bottom:4px;border-bottom:1px solid var(--border-light)}
.mode-desc ul{list-style:none;padding:0;margin:0 0 12px}
.mode-desc li{padding:4px 0 4px 4px;font-size:13px}
.mode-highlight{font-size:16px;font-weight:700;color:#3B82F6;margin-bottom:8px}
.mode-note{font-size:12px;color:var(--text-muted);margin-top:8px;font-style:italic}
.mode-reg{font-size:13px;margin-top:10px;padding:8px 12px;background:var(--bg-secondary);border-radius:8px;border:1px solid var(--border-light)}

/* === Auth Flow Info === */
.auth-flow-info{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:28px;margin-bottom:40px}
.auth-flow-info h3{font-size:18px;font-weight:700;margin-bottom:20px;text-align:center}
.flow-steps{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.flow-step{display:flex;align-items:center;gap:10px;background:var(--bg-secondary);padding:12px 18px;border-radius:12px;border:1px solid var(--border-light)}
.step-num{width:28px;height:28px;border-radius:50%;background:var(--accent-author);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0}
.step-text{font-size:13px;color:var(--text-primary)}
.flow-arrow{font-size:14px;color:var(--text-muted)}
.flow-note{font-size:12px;color:var(--text-muted);text-align:center}

/* === Footer === */
.portal-footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:32px 24px;text-align:center;margin-top:48px}
.portal-footer .footer-links{display:flex;justify-content:center;gap:24px;margin-bottom:12px}
.portal-footer a{color:var(--accent-author);text-decoration:none;font-size:14px}
.portal-footer a:hover{text-decoration:underline}
.portal-footer .note{font-size:11px;color:var(--text-muted);margin-top:8px}

/* === Responsive === */
@media(max-width:1024px){
  .featured-works,.works-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .featured-works,.works-grid,.mode-cards{grid-template-columns:1fr}
  .portal-hero{padding:40px 16px}
  .portal-hero h1{font-size:28px}
  .hero-stats{gap:16px}
  .ranking-item{flex-wrap:wrap;gap:10px}
  .ranking-stats{width:100%;justify-content:flex-end}
  .portal-header{padding:0 12px}
  .section-title{font-size:20px;margin:32px 0 16px}
  .modal-content{padding:20px}
}