*,*:before,*:after{box-sizing:border-box}:root{--bg: #0f1117;--surface: #171b24;--surface-2: #1e2430;--border: #2a3140;--text: #e8ecf4;--text-muted: #8b95a8;--accent: #5b8def;--accent-hover: #7aa3f5;--success: #3ecf8e;--radius: 12px;--radius-sm: 8px;--shadow: 0 8px 32px rgba(0, 0, 0, .35);--font: "DM Sans", system-ui, sans-serif;--mono: "JetBrains Mono", ui-monospace, monospace}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.5}body{background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(91,141,239,.12),transparent),var(--bg)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.app{min-height:100vh;display:flex;flex-direction:column}.header{position:sticky;top:0;z-index:10;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem 1.5rem;padding:1rem 1.5rem;background:#0f1117d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.header-brand{display:flex;align-items:center;gap:.875rem}.logo{display:grid;grid-template-columns:repeat(3,6px);gap:3px;padding:8px;background:var(--surface-2);border-radius:var(--radius-sm);border:1px solid var(--border)}.logo span{width:6px;height:10px;background:var(--accent);border-radius:2px;opacity:.9}.logo span:nth-child(2){height:14px;align-self:end}.logo span:nth-child(3){height:8px}.header h1{margin:0;font-size:1.125rem;font-weight:700;letter-spacing:-.02em}.header p{margin:0;font-size:.8125rem;color:var(--text-muted)}.url-form{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;flex:1;min-width:min(100%,520px);max-width:720px}.url-input-wrap{flex:1;min-width:200px}.url-input-wrap input{width:100%;padding:.625rem .875rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:var(--mono);font-size:.8125rem;outline:none;transition:border-color .15s,box-shadow .15s}.url-input-wrap input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #5b8def33}.url-input-wrap input::placeholder{color:var(--text-muted)}button{font-family:inherit;cursor:pointer;border:none;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;transition:background .15s,transform .1s}button:active{transform:scale(.98)}.btn-primary{padding:.625rem 1.125rem;background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{padding:.625rem 1rem;background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 2rem;padding:.75rem 1.5rem;border-bottom:1px solid var(--border);background:var(--surface)}.toolbar-group{display:flex;align-items:center;gap:.625rem;flex-wrap:wrap}.toolbar-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}#scale-slider{width:120px;accent-color:var(--accent)}#scale-value{font-family:var(--mono);font-size:.8125rem;color:var(--text-muted);min-width:3ch}.toggle{display:inline-flex;align-items:center;gap:.4rem;cursor:pointer}.toggle input{width:15px;height:15px;accent-color:var(--accent);cursor:pointer}.chip-group{display:flex;flex-wrap:wrap;gap:.375rem}.chip{padding:.25rem .625rem;font-size:.75rem;font-weight:500;background:var(--surface-2);color:var(--text-muted);border:1px solid var(--border);border-radius:999px;transition:all .15s}.chip:hover{color:var(--text);border-color:var(--text-muted)}.chip.active{background:#5b8def26;color:var(--accent);border-color:var(--accent)}.grid{flex:1;display:none;flex-wrap:wrap;align-content:flex-start;gap:1.25rem;padding:1.5rem}.grid.visible{display:flex}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;padding:3rem 1.5rem;text-align:center;color:var(--text-muted)}.empty-state.hidden{display:none}.empty-icon{font-size:3rem;opacity:.4;margin-bottom:.5rem}.empty-state h2{margin:0;color:var(--text);font-size:1.25rem;font-weight:600}.empty-state p{margin:0;max-width:360px;font-size:.9375rem}.device-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;flex-shrink:0}.device-header{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.5rem .75rem;background:var(--surface-2);border-bottom:1px solid var(--border);font-size:.75rem}.device-name{font-weight:600;color:var(--text)}.device-size{font-family:var(--mono);color:var(--text-muted);font-size:.6875rem}.device-viewport-wrap{overflow:hidden;background:#fff;line-height:0}.device-viewport{transform-origin:top left}.device-viewport iframe{display:block;border:none;background:#fff}.device-error{display:none;padding:1rem;font-size:.8125rem;color:var(--text-muted);background:var(--surface-2);text-align:center;line-height:1.4}.device-card.blocked .device-error{display:block}.device-card.blocked .device-viewport-wrap{display:none}@media(max-width:640px){.header{padding:.875rem 1rem}.toolbar{padding:.75rem 1rem}.grid{padding:1rem;justify-content:center}}