.chat-page{min-height:100dvh;display:flex;align-items:stretch;justify-content:center;padding:12px;font-family:Arial,sans-serif}.home-view,.lobby-view,.chat-room-view{width:100%}.welcome-card,.lobby-card{background:#fff;padding:20px;border-radius:12px;box-shadow:0 2px 10px #00000014;text-align:center}.welcome-card h1{color:#333;margin-bottom:8px;font-size:1.6rem}.subtitle,.lobby-subtitle{color:#666;margin-bottom:18px;font-size:.95rem}.connect-section h3,.preference-section h3,.lobby-card h2{color:#333;margin-bottom:14px}.gender-selection,.preference-selection{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}.gender-option,.preference-option{padding:12px;border:2px solid #ddd;border-radius:10px;cursor:pointer;transition:all .2s;background:#fff}.gender-option.selected,.preference-option.selected{border-color:#007acc;background:#e6f3ff}.gender-option input[type=radio],.preference-option input[type=radio]{display:none}.gender-label,.preference-label{display:block;font-weight:600;color:#333}.connect-btn,.join-btn,.retry-btn,.disconnect-btn,.next-btn,.send-btn{border:none;border-radius:10px;font-weight:600;cursor:pointer;transition:background-color .2s}.connect-btn,.join-btn,.retry-btn,.disconnect-btn{width:100%;padding:12px}.connect-btn,.send-btn{background:#007acc;color:#fff}.join-btn{background:#28a745;color:#fff;margin-bottom:10px}.retry-btn{background:#007acc;color:#fff;margin-bottom:10px}.disconnect-btn{background:#dc3545;color:#fff}.searching-state,.no-match-state{padding:18px 6px}.spinner{width:44px;height:44px;margin:0 auto 14px;border:4px solid #f3f3f3;border-top:4px solid #007acc;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.searching-subtitle,.no-match-subtitle{color:#666;font-size:.9rem}.no-match-icon{font-size:3rem;margin-bottom:10px}.chat-room-view{background:#fff;border-radius:12px;box-shadow:0 2px 10px #00000014;overflow:hidden;display:flex;flex-direction:column;min-height:calc(100dvh - 24px)}.chat-header{background:#007acc;color:#fff;padding:12px;display:flex;flex-direction:column;gap:10px}.chat-header h2{margin:0;font-size:1.2rem}.chat-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.next-btn{padding:10px;background:#fff;color:#007acc}.chat-header .disconnect-btn{width:100%;padding:10px}.status-bar{background:#f8f9fa;padding:10px 12px;border-bottom:1px solid #e9ecef;display:grid;grid-template-columns:1fr;gap:8px}.status-item{font-size:13px}.status-connected{color:#28a745;font-weight:700}.status-disconnected{color:#dc3545;font-weight:700}.chat-container{flex:1;overflow:hidden;padding:8px}.chat-window{height:100%;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:10px;background:#fafafa;border:1px solid #e5e5e5;border-radius:8px}.bubble{max-width:84%;padding:10px;border-radius:14px;font-size:14px;line-height:1.35;word-wrap:break-word;box-shadow:0 1px 3px #00000014}.bubble.me{align-self:flex-end;margin-left:auto;background:#d9f7be;border:1px solid #b7eb8f}.bubble.other{align-self:flex-start;margin-right:auto;background:#f0f0f0;border:1px solid #d9d9d9}.bubble.system{align-self:center;background:#fff3cd;border:1px solid #ffe69c;text-align:center}.bubble .meta{font-size:11px;font-weight:700;margin-bottom:4px;color:#333}.message-input-container{display:grid;grid-template-columns:1fr;gap:8px;padding:10px 12px;border-top:1px solid #dee2e6;background:#f8f9fa}.message-input{width:100%;padding:11px 12px;border:1px solid #ddd;border-radius:10px;font-size:14px;outline:none}.message-input:focus{border-color:#007acc}.send-btn{width:100%;padding:11px 14px}.send-btn:disabled{background:#ccc;cursor:not-allowed}@media (min-width: 768px){.chat-page{padding:20px;align-items:center}.home-view{max-width:500px}.lobby-view{max-width:560px}.welcome-card,.lobby-card{padding:34px}.gender-selection,.preference-selection{flex-direction:row;justify-content:center}.gender-option,.preference-option{max-width:160px;flex:1}.chat-room-view{max-width:920px;min-height:82vh;max-height:760px}.chat-header{flex-direction:row;justify-content:space-between;align-items:center;padding:14px 18px}.chat-actions{display:flex;gap:10px;width:auto}.next-btn,.chat-header .disconnect-btn{width:auto;padding:9px 14px}.status-bar{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px;padding:12px 18px}.chat-container{padding:12px}.message-input-container{grid-template-columns:1fr auto;align-items:center;padding:12px 18px}.send-btn{width:auto;min-width:110px}.bubble{max-width:76%}}@media (min-width: 1024px){.status-bar{grid-template-columns:repeat(4,minmax(0,1fr))}.bubble{max-width:68%}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5}.app{min-height:100vh}