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768px){.cancel-chat-btn{width:100%;max-width:280px;padding:14px 24px;font-size:1.05rem}}.auth-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#11111b,#1e1e2e);padding:20px;overflow-y:auto}@supports (height: 100dvh){.auth-container{min-height:100dvh}}.auth-card{background:#1e1e2e;border-radius:20px;padding:40px;width:100%;max-width:400px;border:1px solid #313244;box-shadow:0 25px 50px #00000080}.auth-header{text-align:center;margin-bottom:32px}.auth-icon{font-size:3.5rem;display:block;margin-bottom:16px}.auth-header h1{margin:0 0 8px;color:#cdd6f4;font-size:1.8rem}.auth-header p{margin:0;color:#6c7086;font-size:.95rem}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:#a6adc8;font-size:.9rem}.form-group input{width:100%;padding:14px 16px;border:2px solid #313244;border-radius:10px;background:#181825;color:#cdd6f4;font-size:1rem;transition:all 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button[type=submit]{width:100%;padding:14px;border:none;border-radius:10px;background:linear-gradient(135deg,#89b4fa,#74c7ec);color:#1e1e2e;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s}.auth-card button[type=submit]:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #89b4fa4d}.auth-card button[type=submit]:disabled{opacity:.7;cursor:not-allowed}.auth-footer{display:flex;justify-content:center;gap:20px;margin-top:24px;padding-top:0}.auth-footer a{color:#6c7086;text-decoration:none;font-size:.85rem;transition:color .2s}.auth-footer a:hover{color:#89b4fa}@media (max-width: 768px){.auth-container{padding:30px 16px 20px;justify-content:flex-start;padding-bottom:calc(40px + env(safe-area-inset-bottom,0px))}.auth-card{padding:24px 20px}.auth-icon{font-size:3rem}.auth-header h1{font-size:1.5rem}.auth-header p{font-size:.9rem}.form-group input{padding:14px 16px;font-size:16px}.auth-card 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rgba(0,0,0,.8)}.slot-model{color:#fff;font-size:.8rem;font-weight:500;word-break:break-word;text-shadow:0 1px 3px rgba(0,0,0,.8);line-height:1.2}.slot-empty-text{color:#6c7086;font-size:.9rem}.slot-clear{position:absolute;top:8px;right:8px;background:#f38ba8e6;border:none;color:#1e1e2e;width:24px;height:24px;border-radius:50%;font-size:.8rem;cursor:pointer;opacity:0;transition:opacity .2s;z-index:3}.participant-slot:hover .slot-clear{opacity:1}.slot-clear:hover{background:#f38ba8}.chairman-section{background:linear-gradient(135deg,#f9e2af1a,#fab3870d);border-radius:16px;padding:24px!important;border:1px solid rgba(249,226,175,.25);position:relative}.chairman-card{position:relative;width:220px;height:220px;border-radius:18px;cursor:pointer;transition:all .3s ease;overflow:hidden;background-size:cover;background-position:center top;margin:0 auto}.chairman-card.filled{border:3px solid #f9e2af;box-shadow:0 0 20px #f9e2af80,0 0 40px #f9e2af4d,0 0 60px #f9e2af26,inset 0 0 20px 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#f9e2af66}.chairman-provider{color:#f9e2af;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;text-shadow:0 1px 3px rgba(0,0,0,.8)}.chairman-model{color:#fff;font-size:.95rem;font-weight:600;text-shadow:0 1px 3px rgba(0,0,0,.8);margin-top:2px}.chairman-clear{position:absolute;top:12px;right:12px;background:#f38ba8e6;border:none;color:#1e1e2e;width:28px;height:28px;border-radius:50%;font-size:.9rem;cursor:pointer;opacity:0;transition:opacity .2s;z-index:4}.chairman-card:hover .chairman-clear{opacity:1}.chairman-clear:hover{background:#f38ba8}.settings-footer{display:flex;justify-content:space-between;align-items:center;padding:20px 28px;border-top:1px solid #313244}.selected-count{color:#a6adc8;font-size:.95rem}.footer-buttons{display:flex;gap:12px}.cancel-btn{padding:12px 24px;border-radius:10px;border:1px solid #313244;background:transparent;color:#cdd6f4;font-size:1rem;cursor:pointer;transition:all .2s}.cancel-btn:hover{background:#313244}.save-btn{padding:12px 36px;border-radius:10px;border:none;background:linear-gradient(135deg,#89b4fa,#74c7ec);color:#1e1e2e;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s}.save-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px #89b4fa66}.save-btn:disabled{opacity:.5;cursor:not-allowed}.settings-loading{padding:80px;text-align:center;color:#6c7086;font-size:1.2rem}.settings-error{background:#f38ba81a;border:1px solid #f38ba8;color:#f38ba8;padding:12px 16px;border-radius:10px;margin:16px 28px 0}.selection-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:1100}.selection-content{background:#1e1e2e;border-radius:20px;width:90%;max-width:650px;max-height:85vh;display:flex;flex-direction:column;border:1px solid #313244;box-shadow:0 20px 50px 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