:root {
  --bg:#0A0A0F;--bg2:#12121A;--bg3:#1A1A26;--card:#14141E;--card-hover:#1C1C2C;
  --border:#2A2A3E;--primary:#06B6D4;--primary-dark:#0891B2;
  --success:#4ECDC4;--danger:#FF6B6B;--warning:#FFD166;
  --text:#E8E8F0;--text-muted:#7878A0;--text-dim:#4A4A6A;
  --app-height:100dvh;
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--bg);height:100%;overflow-x:hidden;-webkit-text-size-adjust:100%;overscroll-behavior:none}
body{background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;min-height:100vh;font-size:16px;line-height:1.5;overflow-x:hidden;touch-action:manipulation;overscroll-behavior:none}
a{color:inherit;text-decoration:none}
.header{background:var(--bg2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{max-width:480px;margin:0 auto;padding:14px 16px 14px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px}
.brand-block{display:flex;flex:1;min-width:0;flex-direction:column;align-items:flex-start;gap:4px;line-height:1}
.logo{font-size:24px;font-weight:800;color:var(--primary);letter-spacing:-.5px}
.brand-user-row{display:flex;align-items:center;gap:3px;min-width:0;margin-top:1px}
.brand-user-row .online-dot{width:7px;height:7px;flex-shrink:0}
.brand-user{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px;color:var(--text)}
.user-info{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:13px}
.online-dot{width:8px;height:8px;border-radius:50%;background:var(--success);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.stats-bar{background:var(--bg2);border-bottom:1px solid var(--border);padding:8px 20px;display:flex;gap:24px;justify-content:center;font-size:13px;color:var(--text-muted)}
.stats-bar span span{color:var(--text);font-weight:600}
.main-grid{max-width:480px;margin:16px auto 28px;padding:0 12px;display:block}
.proposals-panel{margin-top:24px}
.panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.panel-header h2{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}
.room-search{width:100%;background:var(--bg2);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:16px;padding:11px 13px;margin:-4px 0 14px}
.header-search{order:3;flex-basis:100%;display:none;margin:0 0 6px;padding:11px 14px;background:var(--bg3);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:16px}
.header-search.open{display:block}
.room-search:focus{outline:none;border-color:var(--primary)}
.room-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:12px;cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:16px}
.room-card:hover{background:var(--card-hover);border-color:var(--primary);transform:translateY(-1px)}
.room-rank{font-size:18px;font-weight:700;color:var(--text-dim);min-width:28px;text-align:center}
.room-rank.top{color:var(--warning)}
.room-info{flex:1;min-width:0}
.room-name{font-size:16px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.room-stats{font-size:12px;color:var(--text-muted);margin-top:4px;display:flex;gap:12px}
.room-join{background:var(--primary);color:white;border:none;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s;white-space:nowrap}
.room-join:hover{background:var(--primary-dark)}
.proposal-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin-bottom:10px}
.proposal-title{font-size:14px;font-weight:600;margin-bottom:6px}
.proposal-desc{font-size:12px;color:var(--text-muted);margin-bottom:8px}
.progress-bar{height:6px;background:var(--bg3);border-radius:3px;overflow:hidden;margin-bottom:4px}
.progress-fill{height:100%;background:var(--primary);border-radius:3px;transition:width .5s ease}
.progress-label{font-size:11px;color:var(--text-muted);display:flex;justify-content:space-between;margin-bottom:8px}
.vote-proposal-btn{width:100%;background:transparent;border:1px solid var(--primary);color:var(--primary);border-radius:8px;padding:7px;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s}
.vote-proposal-btn:hover:not(:disabled){background:var(--primary);color:white}
.vote-proposal-btn:disabled{opacity:.5;cursor:default;border-color:var(--border);color:var(--text-muted)}
.vote-proposal-btn.voted{background:var(--bg3);border-color:var(--border);color:var(--text-muted)}
.btn{border:none;border-radius:8px;padding:8px 16px;font-size:14px;font-weight:600;cursor:pointer;transition:all .15s}
.btn-primary{background:var(--primary);color:white}
.btn-primary:hover{background:var(--primary-dark)}
.btn-danger{background:var(--danger);color:white}
.btn-full{width:100%}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px}
.modal-overlay.hidden{display:none}
.modal{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:24px;width:100%;max-width:440px}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.modal-header h3{font-size:18px;font-weight:700}
.close-btn{background:none;border:none;color:var(--text-muted);font-size:22px;cursor:pointer;padding:0;line-height:1}
.close-btn:hover{color:var(--text)}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:6px}
.form-group input,.form-group textarea,.form-group select{width:100%;background:var(--bg3);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:10px 12px;font-size:16px;font-family:inherit;transition:border-color .15s}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary)}
.form-group textarea{resize:vertical;min-height:80px}
.form-hint{font-size:12px;color:var(--text-muted);margin-bottom:16px}
.modal-intro{background:var(--bg3);border:1px solid var(--border);border-radius:10px;color:var(--text-muted);font-size:13px;line-height:1.45;padding:10px 12px;margin:-8px 0 16px}
.install-prompt{max-width:480px;margin:12px auto 0;padding:0 12px}
.install-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:13px;display:flex;gap:12px;align-items:center;box-shadow:0 8px 26px rgba(0,0,0,.18)}
.install-copy{flex:1;min-width:0}
.install-title{font-size:14px;font-weight:800;color:var(--text)}
.install-text{font-size:12px;color:var(--text-muted);margin-top:2px}
.install-actions{display:flex;gap:8px;align-items:center}
.install-btn{background:var(--primary);border:none;border-radius:9px;color:white;font-size:13px;font-weight:800;padding:8px 10px;cursor:pointer}
.install-close{background:none;border:none;color:var(--text-muted);font-size:20px;line-height:1;cursor:pointer;padding:4px}
.guide-steps{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.guide-step{background:var(--bg3);border:1px solid var(--border);border-radius:10px;padding:11px 12px}
.guide-step b{display:block;font-size:14px;color:var(--text);margin-bottom:3px}
.guide-step span{display:block;font-size:13px;color:var(--text-muted);line-height:1.45}
.pwa-gate{z-index:3000;background:var(--bg)}
.pwa-gate .modal{max-width:420px}
.pwa-gate-copy{color:var(--text-muted);font-size:14px;line-height:1.5;margin:-8px 0 16px}
.browser-continue{display:block;background:none;border:none;color:var(--text-muted);font-size:12px;margin:12px auto 0;text-decoration:underline;cursor:pointer}
.notification-prompt{position:fixed;left:0;right:0;bottom:18px;z-index:2500;padding:0 12px;display:flex;justify-content:center;pointer-events:none}
.notification-card{width:100%;max-width:456px;background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:14px;box-shadow:0 12px 34px rgba(0,0,0,.35);display:flex;gap:12px;align-items:center;pointer-events:auto}
.notification-copy{flex:1;min-width:0}
.notification-title{font-size:14px;font-weight:800;color:var(--text)}
.notification-text{font-size:12px;color:var(--text-muted);line-height:1.4;margin-top:2px}
.notification-actions{display:flex;gap:8px;align-items:center}
.notification-later,.notification-allow{border:none;border-radius:9px;font-size:13px;font-weight:800;padding:8px 10px;cursor:pointer}
.notification-later{background:var(--bg3);color:var(--text-muted)}
.notification-allow{background:var(--primary);color:white}
.room-body{display:flex;flex-direction:column;height:var(--app-height);min-height:var(--app-height);width:100%;max-width:480px;overflow:hidden;position:fixed;top:0;left:50%;transform:translateX(-50%)}
.room-header{background:var(--bg2);border-bottom:1px solid var(--border);padding:12px 16px;display:flex;align-items:center;gap:12px;flex-shrink:0}
.back-btn{font-size:22px;color:var(--text-muted);padding:4px;flex-shrink:0}
.back-btn:hover{color:var(--text)}
.room-title-wrap{flex:1;min-width:0}
.room-title-row{display:flex;align-items:center;gap:8px;min-width:0}
.room-title{font-size:17px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.room-online-badge{display:flex;align-items:center;gap:5px;background:var(--bg3);border:1px solid var(--border);border-radius:999px;color:var(--text-muted);font-size:12px;font-weight:700;padding:4px 8px;flex-shrink:0}
.room-online-badge .online-dot{width:7px;height:7px}
.room-desc{font-size:12px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.room-meta{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-muted);flex-shrink:0}
.share-room-btn{background:var(--bg3);border:1px solid var(--border);border-radius:999px;color:var(--text);font-size:12px;font-weight:700;padding:6px 9px;cursor:pointer}
.room-notify-btn{background:var(--bg3);border:1px solid var(--border);border-radius:999px;color:var(--text);font-size:12px;font-weight:700;padding:6px 9px;cursor:pointer}
.room-notify-btn.active{background:var(--primary);border-color:var(--primary);color:white}
.room-notify-btn:disabled{opacity:.6;cursor:default}
.messages-container{flex:1;min-height:0;overflow-y:auto;padding:12px 10px;display:flex;flex-direction:column;gap:2px;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;scroll-padding-bottom:120px}
.message{display:flex;gap:10px;padding:8px 10px;border-radius:10px;transition:background .1s}
.message:hover{background:var(--bg2)}
.message.own{flex-direction:row-reverse}
.avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0;color:white}
.message-body{flex:1;min-width:0}
.message.own .message-body{text-align:right}
.message-meta{font-size:12px;color:var(--text-muted);margin-bottom:3px}
.message-meta .nickname{font-weight:600;color:var(--text);margin-right:6px}
.message-content{font-size:15px;line-height:1.5;word-break:break-word;white-space:pre-wrap}
.message-reply-context{border-left:3px solid var(--primary);background:var(--bg3);border-radius:8px;padding:7px 9px;margin:0 0 6px;max-width:100%}
.message.own .message-reply-context{border-left:none;border-right:3px solid var(--primary)}
.message-reply-from{font-size:12px;color:var(--primary);font-weight:700;margin-bottom:2px}
.message-reply-quote{font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.message-actions{display:flex;align-items:center;gap:6px;margin-top:5px}
.message.own .message-actions{justify-content:flex-end}
.vote-btn,.report-btn,.reply-btn{background:none;border:1px solid var(--border);border-radius:6px;color:var(--text-muted);font-size:12px;padding:2px 7px;cursor:pointer;display:flex;align-items:center;gap:3px;transition:all .15s}
.vote-btn:hover{border-color:var(--text-muted);color:var(--text)}
.vote-btn.voted-up{border-color:var(--success);color:var(--success);background:rgba(78,205,196,.1)}
.vote-btn.voted-down{border-color:var(--danger);color:var(--danger);background:rgba(255,107,107,.1)}
.report-btn:hover{border-color:var(--danger);color:var(--danger)}
.reply-btn:hover{border-color:var(--primary);color:var(--primary)}
.input-shell{background:var(--bg2);border-top:1px solid var(--border);padding:8px 10px calc(8px + env(safe-area-inset-bottom));flex-shrink:0}
.input-bar{display:flex;gap:10px;align-items:flex-end}
.msg-input{flex:1;background:var(--bg3);border:1px solid var(--border);border-radius:12px;color:var(--text);padding:10px 14px;font-size:16px;font-family:inherit;resize:none;max-height:132px;line-height:1.45;transition:border-color .15s}
.msg-input:focus{outline:none;border-color:var(--primary)}
.send-btn{width:44px;height:44px;background:var(--primary);border:none;border-radius:50%;color:white;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,transform .1s}
.send-btn:hover{background:var(--primary-dark)}
.send-btn:active{transform:scale(.95)}
.reply-preview{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--bg3);border:1px solid var(--border);border-radius:10px;padding:8px 10px;margin-bottom:8px}
.reply-preview.hidden,.jump-bottom.hidden{display:none}
.reply-copy{min-width:0}
.reply-label{font-size:12px;color:var(--primary);font-weight:700}
.reply-text{font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:330px}
.reply-cancel{background:none;border:none;color:var(--text-muted);font-size:20px;line-height:1;cursor:pointer;padding:0 4px}
.jump-bottom{align-self:center;margin:0 auto 8px;background:var(--primary);color:white;border:none;border-radius:999px;padding:7px 13px;font-size:13px;font-weight:700;box-shadow:0 8px 20px rgba(0,0,0,.35);cursor:pointer;flex-shrink:0}
.toast-container{position:fixed;bottom:80px;right:20px;z-index:2000;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:10px 16px;font-size:14px;max-width:300px;animation:slideIn .2s ease}
.toast.success{border-color:var(--success)}
.toast.error{border-color:var(--danger)}
.toast.info{border-color:var(--primary)}
@keyframes slideIn{from{transform:translateX(20px);opacity:0}to{transform:translateX(0);opacity:1}}
.loading,.empty-state{text-align:center;color:var(--text-muted);padding:32px 16px;font-size:14px}
.loading-msgs{color:var(--text-muted);font-size:14px;text-align:center;padding:20px}
.new-room-banner{background:linear-gradient(135deg,var(--primary),var(--success));border-radius:12px;padding:16px;margin-bottom:12px;cursor:pointer;animation:fadeIn .3s ease;display:block;color:white}
@keyframes fadeIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
.new-room-banner .label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;opacity:.8;margin-bottom:4px}
.new-room-banner .title{font-size:18px;font-weight:700}
.room-closed-overlay{position:fixed;inset:0;background:rgba(0,0,0,.8);z-index:500;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px}
.room-closed-box{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:32px;max-width:360px}

body.light{--bg:#F5F5FF;--bg2:#EAEAF5;--bg3:#E0E0F0;--card:#FFFFFF;--card-hover:#F0F0FF;--border:#C8C8E0;--text:#1A1A2E;--text-muted:#5A5A80;--text-dim:#9090B8}
.theme-toggle{background:none;border:none;cursor:pointer;font-size:18px;color:var(--text-muted);padding:4px 2px;line-height:1;flex-shrink:0}

.logo::before{content:"💬 ";font-size:20px}

.brand-user::before{content:"You are ";font-size:12px;font-weight:400;color:var(--text-muted)}

.pinned-room{border-color:var(--primary);background:var(--bg2)}
.room-rank.pin{font-size:16px;color:var(--primary)}

#pinned-rooms{margin-bottom:8px}
#pinned-rooms .pinned-room{margin-bottom:0}