:root{--color-bg: #0f172a;--color-surface: #1e293b;--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-text: #f8fafc;--color-text-muted: #94a3b8;--color-border: #334155;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--font-sans: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased;overflow:hidden}#app{width:100vw;height:100vh;display:flex;flex-direction:column}.hidden{display:none!important}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem}.gap-4{gap:1rem}.p-4{padding:1rem}.w-full{width:100%}.h-full{height:100%}.absolute{position:absolute}.relative{position:relative}.z-10{z-index:10}.z-20{z-index:20}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:.375rem;font-weight:500;transition:all .2s;cursor:pointer;border:none;font-size:.875rem}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover)}.btn-icon{padding:.5rem;border-radius:9999px;background-color:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-icon:hover{background-color:var(--color-border)}#workspace{flex:1;position:relative;overflow:hidden;background-color:#000;touch-action:none}#uploaded-image{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);max-width:100%;max-height:100%;pointer-events:none}#protractor-container{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:300px;height:300px;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}#protractor-container:active{cursor:grabbing}.protractor-svg{width:100%;height:100%;filter:drop-shadow(0 4px 6px rgba(0,0,0,.3));pointer-events:none}.handle{position:absolute;width:24px;height:24px;background-color:var(--color-primary);border:2px solid white;border-radius:50%;cursor:pointer;z-index:10;box-shadow:0 2px 4px #0003;pointer-events:auto}.handle-resize{bottom:0;right:0;cursor:nwse-resize;transform:translate(50%,50%)}.handle-rotate{top:0;left:50%;cursor:grab;transform:translate(-50%,-50%);background-color:#10b981}.handle-rotate:active{cursor:grabbing}#controls{position:absolute;bottom:2rem;left:50%;transform:translate(-50%);background-color:#1e293be6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:1rem;border-radius:1rem;border:1px solid var(--color-border);display:flex;gap:1rem;box-shadow:var(--shadow-lg);width:90%;max-width:600px;justify-content:space-around}.control-group{display:flex;flex-direction:column;align-items:center;gap:.25rem}.control-label{font-size:.75rem;color:var(--color-text-muted)}header{background-color:var(--color-surface);border-bottom:1px solid var(--color-border);padding:1rem;display:flex;justify-content:space-between;align-items:center;z-index:50}h1{font-size:1.25rem;font-weight:700;background:linear-gradient(to right,#60a5fa,#3b82f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent}#seo-content{padding:2rem;max-width:800px;margin:0 auto;display:none;overflow-y:auto;height:100%;background-color:var(--color-bg)}#seo-content.active{display:block}.prose{color:var(--color-text-muted)}.prose h2{color:var(--color-text);margin-top:2rem;margin-bottom:1rem}.prose p{margin-bottom:1rem}