@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";
:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-card:#141420b3;--bg-card-hover:#1c1c2ccc;--bg-input:#10101ce6;--text-primary:#e8e8f0;--text-secondary:#8888a0;--text-muted:#555568;--border-subtle:#ffffff0f;--border-active:#ffffff1f;--color-openai:#10a37f;--color-openai-glow:#10a37f26;--color-anthropic:#d97706;--color-anthropic-glow:#d9770626;--color-google:#4285f4;--color-google-glow:#4285f426;--color-meta:#a855f7;--color-meta-glow:#a855f726;--color-deepseek:#2056fa;--color-deepseek-glow:#2056fa26;--color-success:#22c55e;--color-warning:#eab308;--color-error:#ef4444;--color-info:#3b82f6;--gradient-primary:linear-gradient(135deg,#667eea 0%,#764ba2 100%);--gradient-card:linear-gradient(135deg,#1e1e3299 0%,#14142499 100%);--gradient-shine:linear-gradient(90deg,transparent 0%,#ffffff08 50%,transparent 100%);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--shadow-card:0 4px 24px #0000004d,0 0 0 1px var(--border-subtle);--shadow-glow:0 0 40px #667eea14;--transition-fast:.15s cubic-bezier(.4,0,.2,1);--transition-smooth:.3s cubic-bezier(.4,0,.2,1)}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}body:before{content:"";opacity:.02;pointer-events:none;z-index:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");width:100%;height:100%;position:fixed;top:0;left:0}.app{z-index:1;flex-direction:column;min-height:100vh;display:flex;position:relative}.header{border-bottom:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:100;background:#0a0a0fcc;justify-content:space-between;align-items:center;padding:16px 24px;display:flex;position:sticky;top:0}.header__logo{align-items:center;gap:12px;display:flex}.header__icon{background:var(--gradient-primary);border-radius:var(--radius-sm);justify-content:center;align-items:center;width:32px;height:32px;font-size:18px;display:flex}.header__title{letter-spacing:-.02em;background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:18px;font-weight:700}.header__balance{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);align-items:center;gap:8px;padding:8px 16px;font-size:14px;font-weight:500;display:flex}.header__balance-label{color:var(--text-secondary)}.header__balance-value{color:var(--color-success);font-variant-numeric:tabular-nums}.main{flex:1;width:100%;max-width:1600px;margin:0 auto;padding:24px}.prompt-section{margin-bottom:24px}.prompt-card{background:var(--gradient-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:24px}.prompt-input-wrapper{align-items:flex-end;gap:12px;margin-bottom:16px;display:flex}.prompt-input-container{flex:1;display:flex;position:relative}.prompt-input{background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-md);width:100%;color:var(--text-primary);resize:none;transition:border-color var(--transition-fast);outline:none;min-height:100px;padding:14px 80px 14px 18px;font-family:Inter,sans-serif;font-size:16px;line-height:1.5}.prompt-input:focus{border-color:var(--border-active);box-shadow:0 0 0 3px #667eea1a}.prompt-input::placeholder{color:var(--text-muted)}.prompt-submit{background:var(--gradient-primary);border-radius:var(--radius-md);color:#fff;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:none;padding:14px 28px;font-family:Inter,sans-serif;font-size:15px;font-weight:600}.prompt-submit:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 20px #667eea4d}.prompt-submit:active:not(:disabled){transform:translateY(0)}.prompt-submit:disabled{opacity:.5;cursor:not-allowed}.prompt-size-controls{z-index:10;opacity:.5;transition:opacity var(--transition-fast);flex-direction:column;gap:2px;display:flex;position:absolute;bottom:12px;right:18px}.prompt-size-controls:hover{opacity:1}.size-btn{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border-subtle);width:26px;height:26px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:#1e1e2dcc;border-radius:6px;justify-content:center;align-items:center;font-size:12px;display:flex}.size-btn:hover{background:var(--bg-card-hover);border-color:var(--border-active);color:var(--text-primary);transform:translateY(-1px)}.size-btn:active{transform:translateY(0)}.model-selector{flex-wrap:wrap;gap:10px;display:flex}.model-chip{background:var(--bg-input);border:1px solid var(--border-subtle);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;border-radius:100px;align-items:center;gap:8px;padding:8px 16px;font-size:13px;font-weight:500;display:flex;position:relative}.model-chip:after{content:attr(data-tooltip);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border-subtle);color:var(--text-primary);border-radius:var(--radius-sm);white-space:pre-wrap;text-align:center;opacity:0;visibility:hidden;width:max-content;max-width:220px;transition:all var(--transition-fast);z-index:10;pointer-events:none;box-shadow:var(--shadow-card);background:#0f0f14f2;padding:8px 12px;font-size:11px;font-weight:400;line-height:1.4;position:absolute;bottom:100%;left:50%;transform:translate(-50%)translateY(-8px)}.model-chip:hover:after{opacity:1;visibility:visible;transform:translate(-50%)translateY(-4px)}.model-chip:hover{border-color:var(--border-active)}.model-chip--selected{border-color:var(--chip-color,var(--border-active));background:var(--chip-glow,transparent)}.model-chip__dot{background:var(--chip-color,var(--text-muted));border-radius:50%;width:8px;height:8px}.model-chip__name{color:var(--text-primary)}.model-chip__provider{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:11px}.response-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}@media (max-width:900px){.response-grid{grid-template-columns:1fr}}.model-panel{background:var(--gradient-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:border-color var(--transition-smooth);flex-direction:column;min-height:300px;display:flex;overflow:hidden}.model-panel--streaming{border-color:var(--panel-color,var(--border-active));box-shadow:var(--shadow-card),0 0 30px var(--panel-glow,transparent)}.model-panel--error{border-color:#ef44444d}.model-panel__header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.model-panel__title{align-items:center;gap:10px;display:flex}.model-panel__dot{background:var(--panel-color,var(--text-muted));border-radius:50%;width:10px;height:10px}.model-panel__dot--streaming{animation:1.5s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}.model-panel__name{font-size:14px;font-weight:600}.model-panel__provider{color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;font-size:11px}.model-panel__meta{align-items:center;gap:12px;display:flex}.model-panel__stat{color:var(--text-secondary);font-variant-numeric:tabular-nums;font-size:12px}.model-panel__status{text-transform:uppercase;letter-spacing:.04em;border-radius:100px;padding:3px 10px;font-size:11px;font-weight:600}.model-panel__status--streaming{color:var(--color-info);background:#3b82f626}.model-panel__status--completed{color:var(--color-success);background:#22c55e26}.model-panel__status--error,.model-panel__status--timeout{color:var(--color-error);background:#ef444426}.model-panel__status--idle{color:var(--text-muted);background:#8888a01a}.model-panel__content-wrapper{flex-direction:column;flex:1;display:flex;position:relative}.copy-button{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border-subtle);width:28px;height:28px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);z-index:10;opacity:.6;background:#1e1e2dcc;border-radius:6px;justify-content:center;align-items:center;display:flex;position:absolute;top:12px;right:12px}.model-panel:hover .copy-button{opacity:1}.copy-button:hover{background:var(--bg-card-hover);border-color:var(--border-active);color:var(--text-primary);transform:translateY(-1px)}.copy-button:active{transform:translateY(0)}.copy-button--copied{color:var(--color-success)!important;border-color:var(--color-success)!important;opacity:1!important;background:#22c55e1a!important}.model-panel__content{color:var(--text-primary);flex:1;max-height:400px;padding:20px;font-size:14px;line-height:1.7;overflow-y:auto}.model-panel__content::-webkit-scrollbar{width:6px}.model-panel__content::-webkit-scrollbar-track{background:0 0}.model-panel__content::-webkit-scrollbar-thumb{background:var(--border-active);border-radius:3px}.model-panel__placeholder{height:100%;color:var(--text-muted);justify-content:center;align-items:center;font-size:13px;font-style:italic;display:flex}.model-panel__cursor{background:var(--panel-color,var(--text-primary));vertical-align:text-bottom;width:2px;height:1em;margin-left:2px;animation:.8s step-end infinite blink;display:inline-block}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.token-new{animation:.3s ease-out tokenFade}@keyframes tokenFade{0%{opacity:0;transform:translateY(2px)}to{opacity:1;transform:translateY(0)}}.settlement{background:var(--gradient-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);margin-top:16px;padding:16px 20px}.settlement__title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px;font-size:13px;font-weight:600}.settlement__grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;display:grid}.settlement__item{flex-direction:column;gap:2px;display:flex}.settlement__label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:11px}.settlement__value{font-variant-numeric:tabular-nums;font-size:16px;font-weight:600}.shimmer{background:linear-gradient(90deg,var(--bg-card)25%,var(--bg-card-hover)50%,var(--bg-card)75%);background-size:200% 100%;animation:1.5s infinite shimmer}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.empty-state{min-height:400px;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex}.empty-state__icon{opacity:.3;font-size:48px}.empty-state__text{text-align:center;font-size:16px;font-weight:500}.empty-state__sub{color:var(--text-muted);font-size:13px}