@font-face{font-family:"MainLocal";src:url("./main.ttf") format("truetype");font-display:swap}
*{margin:0;padding:0;box-sizing:border-box}
:root{--brand:#ff9800;--brand-600:#f57c00;--border:#ddd;--muted:#999;--paper:#fff;--bg:#f5f5f5}
body{font-family:"MainLocal","Varela Round",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);height:100vh;display:flex;flex-direction:column;overflow:hidden}
.header{background:var(--brand);color:#fff;padding:15px 20px;text-align:center;box-shadow:0 2px 4px rgba(0,0,0,.1);flex-shrink:0}
.header h1{font-size:24px;font-weight:600;text-transform:lowercase}
.join-screen{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}
.join-screen.hidden{display:none}
.join-box{background:#fff;padding:24px;width:min(92vw,440px);box-shadow:0 4px 12px rgba(0,0,0,.15)}
.join-box h2{margin-bottom:12px;color:#333;font-size:24px;text-transform:lowercase}
.join-status{display:flex;align-items:center;gap:10px;color:#666;font-size:14px;margin-bottom:16px}
.join-status img{width:28px;height:28px}
.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:8px;font-weight:600;color:#555;font-size:14px;text-transform:lowercase}
.form-group input{width:100%;padding:12px;border:2px solid var(--border);font-size:16px;transition:border-color .2s}
.form-group input:focus{outline:none;border-color:var(--brand)}
.form-group input::placeholder{text-transform:lowercase}
.avatar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:8px}
.avatar-option{aspect-ratio:1/1;cursor:pointer;display:flex;align-items:center;justify-content:center;border:3px solid transparent;transition:all .2s;background:#f5f5f5;padding:6px}
.avatar-option img{width:100%;height:100%;object-fit:contain}
.avatar-option:hover{background:#e8e8e8}
.avatar-option.selected{border-color:var(--brand);background:#fff3e0}
.join-btn{width:100%;padding:14px;background:var(--brand);color:#fff;border:none;font-size:16px;font-weight:600;cursor:pointer;transition:background .2s;text-transform:lowercase}
.join-btn:hover{background:var(--brand-600)}
.chat-container{flex:1;display:flex;flex-direction:column;max-width:1200px;width:100%;margin:0 auto;background:var(--paper);box-shadow:0 0 10px rgba(0,0,0,.1);min-height:0;overflow:hidden}
.online-bar{padding:10px 20px;background:#f9f9f9;border-bottom:1px solid var(--border);font-size:13px;color:#666;display:flex;align-items:center;gap:8px;flex-shrink:0;text-transform:lowercase}
.online-icon{width:14px;height:14px}
.online-bar strong{color:var(--brand)}
.typing-indicator{padding:6px 20px;background:#f0f0f0;border-bottom:1px solid var(--border);font-size:12px;color:#666;min-height:30px;display:flex;align-items:center;gap:8px;flex-shrink:0;text-transform:lowercase}
.typing-indicator:empty{display:none}
.messages{flex:1;overflow-y:auto;padding:15px;display:flex;flex-direction:column;gap:12px;min-height:0}
.message{display:flex;gap:10px;align-items:flex-start}
.message-avatar{width:36px;height:36px;flex-shrink:0;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:6px;background:#f5f5f5}
.message-avatar img{width:100%;height:100%;object-fit:cover}
.message-content{flex:1;background:#f5f5f5;padding:8px 10px;border:1px solid #e0e0e0;min-width:0}
.message-header{display:flex;align-items:baseline;gap:8px;margin-bottom:4px}
.message-name{font-weight:600;color:#333;font-size:14px;text-transform:lowercase}
.message-time{font-size:11px;color:var(--muted)}
.message-text{color:#333;line-height:1.4;word-wrap:break-word;font-size:14px}
.message-attachment{margin-top:6px}
.message-attachment img,.message-attachment video{max-width:100%;max-height:240px;display:block}
.message-attachment audio{width:100%;margin-top:4px;height:36px}
.system-message{text-align:center;color:#999;font-style:italic;font-size:12px;padding:6px 0;text-transform:lowercase}
.input-area{padding:12px 15px;border-top:2px solid var(--border);background:#fafafa;flex-shrink:0}
.input-container{display:flex;gap:8px;align-items:stretch;flex-wrap:wrap}
.selected-file-pill{width:100%;display:none;align-items:center;justify-content:space-between;gap:10px;padding:8px 10px;background:#fff3e0;border:1px solid #ffd180;font-size:13px;color:#e65100}
.selected-file-pill strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:80%}
.selected-file-pill button{border:none;background:transparent;cursor:pointer;font-size:16px;line-height:1;color:#e65100}
.message-input{flex:1;padding:10px;border:2px solid var(--border);font-size:16px;font-family:inherit;resize:none;height:44px;min-height:44px}
.message-input::placeholder{text-transform:lowercase}
.message-input:focus{outline:none;border-color:var(--brand)}
.file-input-btn{position:relative;width:44px;height:44px;background:#e0e0e0;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;overflow:hidden}
.file-input-btn:hover{background:#d5d5d5}
.file-input{opacity:0;position:absolute;inset:0;width:100%;height:100%;cursor:pointer}
.send-btn{width:44px;height:44px;background:var(--brand);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.send-btn:hover:not(:disabled){background:var(--brand-600)}
.send-btn:disabled{background:#ccc;cursor:not-allowed}
.send-icon{width:20px;height:20px}
.footer{text-align:center;padding:8px;background:#f9f9f9;border-top:1px solid var(--border);font-size:11px;color:var(--muted);flex-shrink:0;text-transform:lowercase}
@media(max-width:600px){
body{height:100vh;height:100dvh}
.header{padding:12px 15px}
.header h1{font-size:20px}
.online-bar{padding:8px 15px;font-size:12px}
.messages{padding:10px;gap:10px}
.message-avatar{width:32px;height:32px}
.input-area{padding:10px}
.message-input{font-size:16px;height:40px;min-height:40px}
.file-input-btn,.send-btn{width:40px;height:40px}
.footer{padding:6px;font-size:10px}
}