.card{display:block;background:#fff;border:1px solid #ececef;border-radius:16px;padding:16px;margin-bottom:12px}
.card .topic{font-size:22px;margin-bottom:6px}
.card .preview{color:#6b7280;font-size:14px;margin-bottom:10px}
.card .meta{display:flex;gap:10px;font-size:12px;color:#6b7280;align-items:center}
.card .meta .material-icons{font-size:14px;vertical-align:middle}
.detail .topic{font-size:26px;font-weight:800;margin:0 0 12px;color:#1a1a1a;word-break:break-word}
.detail .body{white-space:pre-wrap;font-size:17px;line-height:1.8;margin:0 0 14px;font-family:inherit;color:#1a1a1a;word-break:break-word}
.detail .meta{padding-top:12px;border-top:1px solid #f1f1f3}
.detail .meta a{color:#ff6b6b;text-decoration:none;font-weight:600}
.actions{display:flex;gap:8px;margin-top:16px}
.actions button{flex:1;min-width:0;background:#f7f7f8;border:1px solid #ececef;border-radius:12px;padding:10px 8px;display:flex;align-items:center;justify-content:center;gap:4px;cursor:pointer;font-size:13px;color:#1a1a1a;white-space:nowrap;overflow:hidden}
.actions button .material-icons{font-size:18px}
.btn.primary{background:#ff6b6b;color:#fff;border:0;border-radius:12px;padding:14px;width:100%;font-weight:600;margin-top:12px;cursor:pointer;font-size:16px}
input,textarea,select{width:100%;padding:12px;border:1px solid #ececef;border-radius:12px;background:#fff;margin:6px 0 12px;font-size:16px;font-family:inherit}
label{display:block;font-size:14px;color:#6b7280;margin-top:8px}
.bottomnav{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:space-around;align-items:center;background:#fff;border-top:1px solid #ececef;padding:6px 4px env(safe-area-inset-bottom);z-index:50;max-width:480px;margin:0 auto}
.bottomnav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;color:#9ca3af;font-size:11px;padding:6px 0;position:relative}
.bottomnav a.active{color:#ff6b6b}
.bottomnav a .material-icons{font-size:24px}
.bottomnav .write-btn{flex:0 0 auto;background:#ff6b6b;color:#fff;width:48px;height:48px;border-radius:50%;justify-content:center;margin:-12px 8px 0;box-shadow:0 4px 12px rgba(255,107,107,.35)}
.bottomnav .write-btn .material-icons{font-size:28px}
.bottomnav .badge{position:absolute;top:2px;right:18px;background:#ff6b6b;color:#fff;border-radius:10px;font-size:10px;padding:1px 5px;min-width:14px;text-align:center}
.suggested{background:#fff;border:1px solid #ececef;border-radius:16px;padding:14px 16px;margin-bottom:14px}
.suggested .label{font-size:12px;color:#6b7280}
.suggested-row{display:flex;align-items:center;justify-content:space-between;margin-top:4px}
.suggested-row strong{font-size:24px;letter-spacing:2px;color:#ff6b6b}
.reroll{background:#f7f7f8;border:1px solid #ececef;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.line-row{display:flex;align-items:center;gap:10px;margin:6px 0}
.line-letter{display:flex;align-items:center;justify-content:center;width:40px;height:44px;background:#fff5f5;color:#ff6b6b;border:1px solid #ffd9d9;border-radius:12px;font-weight:700;font-size:18px;flex-shrink:0}
.line-input{margin:0;flex:1}
.comment-form{display:flex;gap:8px;margin-bottom:16px;align-items:center}
.comment-form input{margin:0;flex:1;padding:10px 12px;font-size:14px}
.comment-form .btn.primary{width:auto;margin:0;padding:10px 16px;font-size:14px;flex-shrink:0}
.comment-list{list-style:none;padding:0;margin:0}
.comment-list li{padding:12px 0;border-bottom:1px solid #f1f1f3;font-size:14px;line-height:1.5}
.comment-list li:last-child{border-bottom:0}
.comment-list a{text-decoration:none}
.comment-list strong{color:#ff6b6b;margin-right:6px;font-size:13px}
.notif-list{list-style:none;padding:0;margin:0}
.notif-list li{padding:12px;border-bottom:1px solid #f1f1f3}
.notif-list li.unread{background:#fff5f5}
.notif-list a{color:#1a1a1a;text-decoration:none}
.search-form{display:flex;gap:8px;margin-bottom:12px}
.search-form input{margin:0;flex:1}
.search-form .btn.primary{width:auto;margin:0;padding:10px 14px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.tag-cloud .tag{background:#fff5f5;color:#ff6b6b;padding:6px 12px;border-radius:999px;font-size:13px;text-decoration:none;border:1px solid #ffd9d9}
.challenge-banner{display:flex;align-items:center;gap:12px;text-decoration:none;color:#1a1a1a;background:linear-gradient(135deg,#fff5f5,#ffe4e4);border-color:#ffd9d9}
.challenge-banner .material-icons{color:#ff6b6b;font-size:32px}
.profile-head h2{margin:0 0 4px}
.profile-head .bio{color:#6b7280;margin:4px 0 10px}
.profile-head .stats{display:flex;gap:20px;color:#6b7280;font-size:14px}
.profile-head .stats strong{color:#1a1a1a;font-size:18px;margin-right:4px}
.muted{color:#9ca3af;text-align:center;padding:20px}
main.container{padding-bottom:80px}
.alert{background:#fff5f5;color:#ff4040;border:1px solid #ffd9d9;border-radius:12px;padding:12px 16px;margin-bottom:12px;font-size:14px}
.social-login{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.social-btn{display:flex;align-items:center;justify-content:center;gap:10px;padding:14px;border-radius:12px;font-size:15px;font-weight:600;text-decoration:none;border:1px solid #ececef;cursor:pointer;transition:background .15s}
.google-btn{background:#fff;color:#1a1a1a}
.google-btn:hover{background:#f5f5f5}
.apple-btn{background:#000;color:#fff;border-color:#000}
.apple-btn:hover{background:#222}
.divider{display:flex;align-items:center;gap:12px;margin:20px 0;color:#9ca3af;font-size:13px}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:#ececef}