@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";.auth-layout{background: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(80px);opacity:.35;border-radius:50%;position:absolute}.orb-1{background:radial-gradient(circle,#8b5cf6,#0000 70%);width:400px;height:400px;animation:8s ease-in-out infinite float-glow;top:-100px;left:-100px}.orb-2{background:radial-gradient(circle,#6366f1,#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,#a78bfa,#0000 70%);width:200px;height:200px;animation:12s ease-in-out 2s infinite float-glow;top:50%;left:60%}.auth-card{background:var(--glass-bg);border:1px solid var(--glass-border);width:100%;max-width:420px;-webkit-backdrop-filter:blur(var(--glass-blur));border-radius:var(--radius-xl);padding:var(--space-8) var(--space-8);box-shadow:var(--shadow-md), 0 0 60px #8b5cf61a;animation:.5s slideUp;position:relative}.auth-logo{align-items:center;gap:var(--space-2);margin-bottom:var(--space-6);display:flex}.auth-logo-icon{border-radius:var(--radius-md);background:linear-gradient(135deg,#8b5cf633,#6366f133);border:1px solid #8b5cf64d;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.auth-logo-text{font-size:var(--font-size-xl);background:var(--accent-gradient);-webkit-text-fill-color:transparent;letter-spacing:-.5px;-webkit-background-clip:text;background-clip:text;font-weight:700}.auth-title{font-size:var(--font-size-xl);color:var(--text-primary);margin-bottom:var(--space-1);letter-spacing:-.5px;font-weight:700}.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);border-radius:var(--radius-md);color:var(--text-primary);font-size:var(--font-size-base);font-family:var(--font-family);transition:all var(--transition-fast);background:#ffffff0d}.form-input::placeholder{color:var(--text-disabled)}.form-input:focus{border-color:var(--accent-primary);background:#8b5cf614;outline:none;box-shadow:0 0 0 3px #8b5cf626}.form-input.input-error{border-color:var(--error)}.field-error{font-size:var(--font-size-xs);color:var(--error);margin-top:2px}.form-error{align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);color:#fca5a5;font-size:var(--font-size-sm);background:#ef44441a;border:1px solid #ef444440;animation:.3s slideUp;display:flex}.btn-primary{width:100%;padding:13px var(--space-6);background:var(--accent-gradient);border-radius:var(--radius-md);font-size:var(--font-size-base);color:#fff;letter-spacing:.2px;transition:all var(--transition-fast);margin-top:var(--space-2);font-weight:600;position:relative;overflow:hidden}.btn-primary:before{content:"";transition:background var(--transition-fast);background:#fff0;position:absolute;inset:0}.btn-primary:hover:not(:disabled):before{background:#ffffff1a}.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:500}.auth-footer a:hover{color:#a78bfa;text-decoration:none}@media (width<=480px){.auth-card{padding:var(--space-6)}}.sidebar{width:var(--sidebar-width);background:var(--bg-surface);border-right:1px solid var(--border-subtle);transition:width var(--transition-normal), transform var(--transition-normal);z-index:50;flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.sidebar--closed{border:none;width:0}.sidebar--open{width:var(--sidebar-width)}.sidebar-header{padding:var(--space-4);border-bottom:1px solid var(--border-subtle);flex-shrink:0;justify-content:space-between;align-items:center;height:56px;display:flex}.sidebar-logo{align-items:center;gap:var(--space-2);display:flex}.sidebar-logo-text{font-size:var(--font-size-md);background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:700}.sidebar-new-btn{border-radius:var(--radius-md);width:30px;height:30px;color:var(--text-secondary);transition:all 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.conv-item-delete{opacity:1}.conv-item-delete:hover{color:var(--error);background:#ef444426}@media (width<=768px){.sidebar{height:100%;position:fixed;top:0;left:0;transform:translate(-100%)}.sidebar--open{width:var(--sidebar-width);transform:translate(0)}}.message-row{gap:var(--space-3);padding:var(--space-2) 0;animation:.3s slideUp;display:flex}.message-row--user{flex-direction:row-reverse}.message-row--assistant{flex-direction:row;align-items:flex-start}.message-avatar{border-radius:var(--radius-md);width:28px;height:28px;font-size:var(--font-size-xs);flex-shrink:0;justify-content:center;align-items:center;margin-top:4px;font-weight:700;display:flex}.assistant-avatar{background:linear-gradient(135deg,#8b5cf633,#6366f133);border:1px solid #8b5cf640}.user-avatar-bubble{background:var(--accent-gradient);color:#fff;font-size:11px}.message-bubble{max-width:min(680px,85%);padding:var(--space-3) 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var(--transition-fast);box-shadow:var(--shadow-sm);display:flex}.composer-file-input{display:none}.composer:focus-within{border-color:var(--accent-primary);box-shadow:0 0 0 3px #8b5cf61f, var(--shadow-sm)}.composer--loading{opacity:.9}.composer-input{min-height:24px;max-height:160px;font-size:var(--font-size-base);color:var(--text-primary);line-height:1.6;font-family:var(--font-family);resize:none;background:0 0;border:none;outline:none;flex:1;overflow-y:auto}.composer-input::placeholder{color:var(--text-disabled)}.composer-input:disabled{cursor:not-allowed}.composer-actions{align-items:center;gap:var(--space-1);flex-shrink:0;display:flex}.composer-btn,.composer-tool-btn{border-radius:var(--radius-full);width:36px;height:36px;transition:all var(--transition-fast);justify-content:center;align-items:center;display:flex}.composer-tool-btn{color:var(--text-muted);border:1px solid #0000}.composer-tool-btn:hover{color:var(--text-primary);background:var(--bg-hover)}.composer-search-toggle.active{color:var(--accent-primary);border-color:var(--border-accent);background:var(--bg-active)}.composer-btn--send{background:var(--accent-gradient);color:#fff;box-shadow:0 2px 8px #8b5cf666}.composer-btn--send:hover{transform:scale(1.05);box-shadow:0 4px 16px #8b5cf680}.composer-btn--send:active{transform:scale(.95)}.composer-btn--stop{color:var(--error);background:#ef444426;border:1px solid #ef44444d;animation:1.5s ease-in-out infinite pulse-glow}.composer-btn--stop:hover{background:#ef444440}.composer-btn--mic{color:var(--text-disabled);cursor:not-allowed;background:0 0}.welcome-screen{padding:var(--space-8);flex-direction:column;flex:1;justify-content:center;align-items:center;animation:.6s fadeIn;display:flex;position:relative;overflow:hidden}.welcome-glow{pointer-events:none;background:radial-gradient(circle,#8b5cf626 0%,#0000 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var(--border-accent);border-radius:var(--radius-full);color:var(--accent-primary);font-size:var(--font-size-xs);padding:2px 10px;font-weight:600;display:inline-block}.welcome-suggestions{gap:var(--space-3);grid-template-columns:repeat(2,1fr);width:100%;max-width:560px;animation:.5s .4s both slideUp;display:grid}.suggestion-chip{align-items:center;gap:var(--space-3);padding:var(--space-4);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);text-align:left;transition:all var(--transition-normal);display:flex;position:relative;overflow:hidden}.suggestion-chip:before{content:"";background:var(--accent-gradient);opacity:0;transition:opacity var(--transition-normal);position:absolute;inset:0}.suggestion-chip:hover{border-color:var(--border-accent);transform:translateY(-2px);box-shadow:0 8px 24px #8b5cf626}.suggestion-chip:hover:before{opacity:.05}.suggestion-icon{z-index:1;font-size:20px;position:relative}.suggestion-label{font-size:var(--font-size-sm);color:var(--text-primary);z-index:1;flex:1;font-weight:500;position:relative}.suggestion-arrow{color:var(--text-muted);opacity:0;transition:all var(--transition-fast);z-index:1;position:relative;transform:translate(-4px)}.suggestion-chip:hover .suggestion-arrow{opacity:1;transform:translate(0)}@media (width<=560px){.welcome-suggestions{grid-template-columns:1fr}.welcome-title{font-size:var(--font-size-lg)}}.model-picker{align-items:center;gap:var(--space-2);padding:5px var(--space-3);border:1px solid var(--border-default);border-radius:var(--radius-full);background:var(--glass-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);cursor:pointer;transition:all var(--transition-fast);display:flex;position:relative}.model-picker:hover{border-color:var(--border-accent);background:var(--bg-hover)}.model-picker-icon{flex-shrink:0;font-size:14px;line-height:1}.model-picker-select{appearance:none;color:var(--text-primary);font-size:var(--font-size-sm);font-weight:500;font-family:var(--font-family);cursor:pointer;padding-right:var(--space-1);white-space:nowrap;text-overflow:ellipsis;background:0 0;border:none;outline:none;max-width:200px;overflow:hidden}.model-picker-select option,.model-picker-select optgroup{background:var(--bg-elevated);color:var(--text-primary)}.model-picker-chevron{color:var(--text-muted);pointer-events:none;flex-shrink:0}.assistant-picker{align-items:center;gap:var(--space-2);height:34px;padding:0 var(--space-3);border:1px solid var(--border-default);border-radius:var(--radius-full);background:var(--glass-bg);color:var(--text-primary);display:flex}.assistant-picker-icon{color:var(--accent-primary);flex-shrink:0;display:flex}.assistant-picker-select{appearance:none;max-width:170px;color:var(--text-primary);font-size:var(--font-size-sm);cursor:pointer;background:0 0;border:none;outline:none;font-weight:600}.assistant-picker-select option{background:var(--bg-elevated);color:var(--text-primary)}.assistant-picker-loading{background:var(--accent-primary);border-radius:50%;width:8px;height:8px;animation:1.1s ease-in-out infinite pulse-glow}@media (width<=768px){.assistant-picker{display:none}}.artifact-panel{border-left:1px solid var(--border-subtle);z-index:20;background:#0f111a;flex-direction:column;width:min(520px,38vw);min-width:360px;height:100vh;display:flex;box-shadow:-16px 0 48px #00000038}.artifact-panel-header{height:64px;padding:var(--space-3) var(--space-4);border-bottom:1px solid 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