@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";.auth-layout{background:radial-gradient(circle at 20% 20%, #10a37f24, transparent 28%), radial-gradient(circle at 78% 28%, #4285f41f, transparent 30%), var(--bg-base);min-height:100vh;padding:var(--space-6);justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.auth-bg{pointer-events:none;position:absolute;inset:0;overflow:hidden}.orb{filter:blur(74px);opacity:.24;border-radius:50%;position:absolute}.orb-1{background:radial-gradient(circle,#10a37f,#0000 70%);width:400px;height:400px;animation:8s ease-in-out infinite float-glow;top:-100px;left:-100px}.orb-2{background:radial-gradient(circle,#4285f4,#0000 70%);width:300px;height:300px;animation:10s ease-in-out infinite reverse float-glow;bottom:-80px;right:-80px}.orb-3{background:radial-gradient(circle,#7c3aed,#0000 70%);width:200px;height:200px;animation:12s ease-in-out 2s infinite 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#10a37f2e;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.auth-logo-text{font-size:var(--font-size-xl);color:var(--text-primary);letter-spacing:0;font-weight:700}.auth-title{font-size:var(--font-size-xl);color:var(--text-primary);margin-bottom:var(--space-1);letter-spacing:0;font-weight:760}.auth-subtitle{font-size:var(--font-size-sm);color:var(--text-secondary);margin-bottom:var(--space-6)}.auth-form{gap:var(--space-4);flex-direction:column;display:flex}.form-group{gap:var(--space-1);flex-direction:column;display:flex}.form-label{font-size:var(--font-size-sm);color:var(--text-secondary);font-weight:500}.required{color:var(--accent-primary)}.form-input{width:100%;padding:12px var(--space-4);border:1px solid var(--border-default);color:var(--text-primary);font-size:var(--font-size-base);font-family:var(--font-family);transition:all 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var(--transition-fast);background:#fff0;position:absolute;inset:0}.btn-primary:hover:not(:disabled):before{background:#ffffff1a}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 14px 28px #20212433}.btn-primary:active:not(:disabled){transform:scale(.98)}.btn-primary:disabled{opacity:.7;cursor:not-allowed}.btn-loading{justify-content:center;align-items:center;gap:var(--space-2);display:flex}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin;display:inline-block}.auth-footer{text-align:center;margin-top:var(--space-6);font-size:var(--font-size-sm);color:var(--text-muted)}.auth-footer a{color:var(--accent-primary);transition:color var(--transition-fast);font-weight:650}.auth-footer a:hover{color:#0f766e;text-decoration:none}@media (width<=480px){.auth-card{padding:var(--space-6)}}.sidebar{width:var(--sidebar-width);transition:width var(--transition-normal), transform var(--transition-normal), opacity var(--transition-normal);z-index:50;-webkit-backdrop-filter:blur(18px)saturate(1.05);background:#f1f1eedb;border-right:1px solid #0f172a12;flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.sidebar--closed{border:none;width:0}.sidebar--open{width:var(--sidebar-width)}.sidebar-header{border-bottom:1px solid #0f172a0f;flex-shrink:0;justify-content:space-between;align-items:center;height:60px;padding:12px 14px;display:flex}.sidebar-logo{align-items:center;gap:var(--space-2);min-width:0;display:flex}.sidebar-logo svg{filter:drop-shadow(0 8px 16px #10a37f38)}.sidebar-logo-text{font-size:var(--font-size-md);color:var(--text-primary);letter-spacing:0;font-weight:760}.sidebar-new-btn{border-radius:var(--radius-full);color:#fff;background:#202124;justify-content:center;align-items:center;width:34px;height:34px;display:flex;box-shadow:0 8px 18px #20212429}.sidebar-new-btn:hover{background:#111827;transform:translateY(-1px)scale(1.02)}.sidebar-new-btn:active{transform:scale(.95)}.sidebar-content{flex:1;padding:12px 10px 16px;overflow-y:auto}.sidebar-empty{padding:var(--space-10) var(--space-4);color:var(--text-muted);text-align:center;justify-content:center;align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);flex-direction:column;display:flex}.sidebar-empty-icon{border:1px solid var(--border-subtle);width:48px;height:48px;color:var(--text-disabled);margin-bottom:var(--space-2);background:#ffffffb8;border-radius:18px;justify-content:center;align-items:center;display:flex}.sidebar-empty-hint{font-size:var(--font-size-xs);color:var(--text-disabled)}.conv-group{margin-bottom:var(--space-5)}.conv-group-label{font-size:var(--font-size-xs);color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;padding:0 9px 8px;font-weight:760}.conv-item{cursor:pointer;transition:background var(--transition-fast), 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.conv-item-icon{color:var(--accent-primary)}.conv-item-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.conv-item-title{font-size:var(--font-size-sm);color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-weight:560;line-height:1.35;overflow:hidden}.conv-item-date{font-size:var(--font-size-xs);color:var(--text-muted)}.conv-item-delete{opacity:0;border-radius:var(--radius-full);width:26px;height:26px;color:var(--text-muted);transition:all var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;display:flex}.conv-item:hover .conv-item-delete{opacity:1;transform:translate(0)}.conv-item-delete:hover{color:var(--error);background:#ef44441a;transform:scale(1.05)}@media (width<=768px){.sidebar{height:100%;position:fixed;top:0;left:0;transform:translate(-104%);box-shadow:22px 0 45px #0f172a29}.sidebar--open{width:var(--sidebar-width);transform:translate(0)}}.message-row{animation:gentlePop .28s var(--ease-standard) 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