:root{--bg:#f5f5f5;--surface:#fff;--border:#00000014;--text-primary:#111;--text-secondary:#555;--text-muted:#999;--accent:#1a73e8;--nano:#ff6b00;--nano-light:#fff8f0;--radius:12px;--anim:cubic-bezier(.32, 1.2, .5, 1);--dur:.38s}.sarasa-app{background:var(--bg);max-width:100%;min-height:100dvh;margin:0 auto;font-family:-apple-system,Noto Sans KR,sans-serif;position:relative}.sarasa-header{z-index:50;background:var(--surface);border-bottom:.5px solid var(--border);justify-content:space-between;align-items:center;padding:12px 20px;display:flex;position:sticky;top:0}.sarasa-logo{color:var(--text-primary);font-size:20px;font-weight:700}.sarasa-header-btns{gap:6px;display:flex}.sarasa-icon-btn{cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:19px;transition:background .1s;display:flex}.sarasa-icon-btn:hover{background:var(--bg)}.card-grid{columns:2;column-gap:10px;padding:12px 12px 80px}@media (width>=640px){.card-grid{columns:3}}@media (width>=1024px){.card-grid{columns:4}}.news-card{break-inside:avoid;background:var(--surface);border-radius:var(--radius);border:.5px solid var(--border);cursor:pointer;will-change:transform;margin-bottom:10px;transition:transform .15s;display:block;position:relative;overflow:hidden}.news-card:hover{transform:translateY(-2px)}.news-card:active{transform:scale(.97)}.news-card.nano-ad{background:var(--nano-light);border:1.5px solid #ffb366}.card-thumb{aspect-ratio:16/9;object-fit:cover;justify-content:center;align-items:center;width:100%;font-size:32px;display:flex}.card-thumb.tall{aspect-ratio:3/4}.card-info{padding:9px 11px 11px}.card-tag{margin-bottom:4px;font-size:10px;font-weight:700;display:block}.card-tag.nano{color:var(--nano)}.card-title{color:var(--text-primary);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:12px;font-weight:600;line-height:1.5;display:-webkit-box;overflow:hidden}.card-meta{color:var(--text-muted);margin-top:5px;font-size:10px}.nano-live-badge{background:var(--nano);color:#fff;border-radius:4px;align-items:center;gap:4px;margin-bottom:5px;padding:3px 8px;font-size:10px;font-weight:700;display:inline-flex}.nano-sub{color:#7a3500;margin-top:5px;font-size:11px;line-height:1.4}.expand-backdrop{z-index:100;pointer-events:none;background:0 0;transition:background .3s;position:fixed;inset:0}.expand-backdrop.active{pointer-events:auto;background:#0000008c}.expand-panel{z-index:110;background:var(--surface);transition:top var(--dur) var(--anim), left var(--dur) var(--anim), width var(--dur) var(--anim), height var(--dur) var(--anim), border-radius var(--dur) var(--anim);pointer-events:none;opacity:0;position:fixed;overflow:hidden}.expand-panel.visible{opacity:1;pointer-events:auto}.expand-panel .panel-scroll{-webkit-overflow-scrolling:touch;width:100%;height:100%;overflow-y:auto}.panel-hero{aspect-ratio:16/9;object-fit:cover;flex-shrink:0;justify-content:center;align-items:center;width:100%;font-size:60px;display:flex}.panel-close{color:#fff;cursor:pointer;z-index:5;background:#00000073;border:none;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;font-size:17px;display:flex;position:absolute;top:12px;right:12px}.panel-body{max-width:680px;margin:0 auto;padding:16px 20px 40px}.panel-tag{margin-bottom:6px;font-size:11px;font-weight:700;display:block}.panel-tag.nano{color:var(--nano)}.panel-title{color:var(--text-primary);margin-bottom:8px;font-size:20px;font-weight:700;line-height:1.4}.panel-meta{color:var(--text-muted);border-bottom:.5px solid var(--border);margin-bottom:16px;padding-bottom:14px;font-size:12px}.panel-content{color:var(--text-secondary);margin-bottom:24px;font-size:15px;line-height:1.85}.nano-promo-box{background:var(--nano-light);border-radius:var(--radius);border:1.5px solid #ffc080;margin-bottom:20px;padding:16px}.nano-promo-box h3{color:#5a2d00;margin-bottom:6px;font-size:14px;font-weight:700}.nano-promo-box p{color:#8a4010;margin-bottom:10px;font-size:13px;line-height:1.6}.nano-promo-btn{text-align:center;background:var(--nano);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;padding:12px;font-size:14px;font-weight:700;display:block}.panel-comments{border-top:.5px solid var(--border);margin-bottom:12px;padding-top:14px}.comments-title{margin-bottom:12px;font-size:14px;font-weight:700}.comment-item{gap:10px;margin-bottom:12px;display:flex}.comment-avatar{width:28px;height:28px;color:var(--accent);background:#e8f0fe;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:flex}.comment-user{margin-bottom:2px;font-size:12px;font-weight:700}.comment-text{color:var(--text-secondary);font-size:13px;line-height:1.5}.comment-input-row{gap:8px;margin-top:4px;display:flex}.comment-input{border:.5px solid var(--border);background:#f5f5f5;border-radius:22px;outline:none;flex:1;padding:9px 14px;font-size:14px}.comment-input:focus{border-color:var(--accent);background:#fff}.comment-submit{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:22px;padding:9px 16px;font-size:13px;font-weight:700}.bottom-nav{background:var(--surface);border-top:.5px solid var(--border);z-index:90;height:56px;padding-bottom:env(safe-area-inset-bottom);display:flex;position:fixed;bottom:0;left:0;right:0}.nav-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;transition:color .15s;display:flex}.nav-btn.active{color:var(--accent)}.nav-btn .nav-icon{font-size:20px}.nav-btn .nav-lbl{font-size:10px;font-weight:500}.write-fab{bottom:calc(56px + 16px + env(safe-area-inset-bottom));background:var(--accent);color:#fff;cursor:pointer;z-index:89;border:none;border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;font-size:22px;transition:transform .15s;display:flex;position:fixed;right:20px;box-shadow:0 2px 12px #1a73e866}.write-fab:active{transform:scale(.93)}