*{margin:0;padding:0;box-sizing:border-box}
[hidden]{display:none!important}
:root{--white:#FFFFFF;--bg:#FFFFFF;--ink:#111111;--sub:#6B7280;--muted:#9CA3AF;--line:#F3F4F6;--line2:#E5E7EB;--red:#E53935;--blue:#29B6F6;--navy:#1B2A4A}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}

/* Header */
.header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,0.88);backdrop-filter:blur(24px);border-bottom:1px solid var(--line)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 32px;height:64px;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:22px;font-weight:800;letter-spacing:-0.5px;text-decoration:none;color:var(--ink)}
.header-links{display:flex;gap:24px}
.header-links a{text-decoration:none;color:var(--sub);font-size:14px;font-weight:500;transition:color .15s}
.header-links a:hover{color:var(--ink)}

/* Layout */
.page-wrapper{max-width:1100px;margin:0 auto;padding:120px 32px 80px;display:flex;gap:48px}
.sidebar{width:220px;flex-shrink:0;position:sticky;top:96px;align-self:flex-start}
.main{flex:1;min-width:0}

/* Sidebar filters */
.filter-section{margin-bottom:28px}
.filter-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);margin-bottom:10px}
.filter-btn{display:block;width:100%;text-align:left;background:none;border:none;padding:8px 14px;font-size:13px;font-weight:500;color:var(--sub);cursor:pointer;border-radius:8px;transition:all .1s;margin-bottom:2px}
.filter-btn:hover{background:var(--line);color:var(--ink)}
.filter-btn.active{background:var(--ink);color:#fff}
.filter-btn .dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:8px}
.filter-btn .dot.d-red{background:var(--red)}
.filter-btn .dot.d-blue{background:var(--blue)}
.filter-btn .dot.d-navy{background:var(--navy)}

/* Year/Month nav */
.year-nav{display:flex;flex-wrap:wrap;gap:4px}
.year-btn{background:none;border:1px solid var(--line2);padding:6px 12px;font-size:12px;font-weight:600;color:var(--sub);cursor:pointer;border-radius:6px;transition:all .1s}
.year-btn:hover{border-color:var(--ink);color:var(--ink)}
.year-btn.active{background:var(--ink);color:#fff;border-color:var(--ink)}

/* Main content */
.page-title{font-size:clamp(28px,5vw,40px);font-weight:900;letter-spacing:-1.5px;margin-bottom:8px}
.page-subtitle{font-size:15px;color:var(--muted);margin-bottom:8px}
.page-month-label{font-size:13px;font-weight:600;color:var(--sub);margin-bottom:32px;letter-spacing:-0.2px}

/* Release entry */
.release-entry{border:1px solid var(--line2);border-radius:16px;padding:28px;margin-bottom:20px;transition:all .2s}
.release-entry:hover{border-color:var(--sub)}
.release-header{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.release-app{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:6px;font-size:12px;font-weight:700;color:#fff}
.release-app.app-eat{background:var(--red)}
.release-app.app-see{background:var(--blue)}
.release-app.app-sleep{background:var(--navy)}
.release-app.app-all{background:var(--ink);color:#fff}
.release-version{font-size:14px;font-weight:800;color:var(--ink)}
.release-date{font-size:13px;color:var(--muted);font-weight:500}
.release-title{font-size:17px;font-weight:800;letter-spacing:-0.3px;margin-bottom:10px}
.release-body{font-size:14px;color:var(--sub);line-height:1.8}
.release-body ul{padding-left:20px;margin-top:8px}
.release-body li{margin-bottom:4px}
.release-tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:700;margin-right:6px}
.tag-new{background:#DCFCE7;color:#166534}
.tag-improve{background:#DBEAFE;color:#1E40AF}
.tag-fix{background:#FEF3C7;color:#92400E}

/* Empty state */
.empty-state{text-align:center;padding:80px 32px;color:var(--muted)}
.empty-state svg{width:48px;height:48px;margin-bottom:16px;opacity:.3}
.empty-state p{font-size:15px}

/* Footer */
footer{border-top:1px solid var(--line2);padding:40px 32px}
.footer-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-left{display:flex;flex-direction:column;gap:8px}
.footer-brand{font-size:16px;font-weight:800}
.footer-copy{font-size:13px;color:var(--muted)}
.footer-links{display:flex;gap:24px}
.footer-links a{text-decoration:none;color:var(--sub);font-size:13px;font-weight:500;transition:color .15s}
.footer-links a:hover{color:var(--ink)}

/* Responsive */
@media(max-width:768px){
  .page-wrapper{flex-direction:column;gap:0;padding-top:100px}
  .sidebar{width:100%;position:static;display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
  .filter-section{margin-bottom:0}
  .footer-inner{flex-direction:column;text-align:center}
}