:root{--bg-base: 0 0% 100%;--bg-surface: 210 20% 98%;--bg-surface-elevated: 0 0% 100%;--primary: 221 83% 53%;--primary-hover: 224 89% 47%;--accent: 262 83% 58%;--success: 142 76% 36%;--text-primary: 222 47% 11%;--text-secondary: 215 16% 47%;--text-muted: 215 13% 60%;--border: 214 32% 91%;--border-focus: 221 83% 53%;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .04), 0 4px 6px -4px rgba(0, 0, 0, .04);--glass-bg: rgba(255, 255, 255, .8);--glass-border: rgba(0, 0, 0, .06);--font-sans: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--transition-smooth: all .25s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:hsl(var(--bg-base));color:hsl(var(--text-primary));font-family:var(--font-sans);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;padding:0;margin:0}.app-container{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;max-width:1280px;width:100%;margin:0 auto;padding:40px 24px}h1{font-size:2.75rem;font-weight:700;letter-spacing:-.025em;background:linear-gradient(135deg,#0f172a,#2563eb);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px}p.subtitle{font-size:1.125rem;color:hsl(var(--text-secondary));margin-bottom:40px;max-width:650px}.card-glass{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:16px;padding:32px;box-shadow:var(--shadow-lg)}label{display:block;font-size:.875rem;font-weight:500;color:hsl(var(--text-secondary));margin-bottom:8px}.input-field{width:100%;background-color:hsl(var(--bg-base));border:1px solid hsl(var(--border));border-radius:8px;color:hsl(var(--text-primary));font-family:inherit;font-size:1rem;padding:12px 16px;transition:var(--transition-smooth)}.input-field:focus{outline:none;border-color:hsl(var(--border-focus));box-shadow:0 0 0 3px #2563eb26}.btn-primary{display:inline-flex;align-items:center;justify-content:center;background-color:hsl(var(--primary));color:#fff;font-family:inherit;font-weight:600;font-size:1rem;padding:14px 28px;border:none;border-radius:8px;cursor:pointer;transition:var(--transition-smooth)}.btn-primary:hover{background-color:hsl(var(--primary-hover));transform:translateY(-1px);box-shadow:0 4px 12px #2563eb33}.btn-primary:active{transform:translateY(1px)}.layout-split{display:grid;grid-template-columns:1fr;gap:32px}@media(min-width:992px){.layout-split{grid-template-columns:1.6fr 1fr}}.ad-placement-box{background:#f1f5f980;border:1px dashed hsl(var(--border));border-radius:12px;padding:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:250px;position:relative;transition:var(--transition-smooth)}.ad-placement-box:hover{border-color:#2563eb33}.ad-badge{font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:hsl(var(--text-muted));margin-bottom:12px}.ad-stub-frame{width:100%;max-width:300px;height:250px;background-color:#00000005;border:1px solid rgba(0,0,0,.04);border-radius:6px;display:flex;align-items:center;justify-content:center;color:hsl(var(--text-muted));font-size:.875rem;font-style:italic}header{border-bottom:1px solid hsl(var(--border));background:#fffc;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);position:sticky;top:0;z-index:10}.header-inner{max-width:1280px;margin:0 auto;padding:16px 24px;display:flex;justify-content:space-between;align-items:center}.logo{font-weight:700;font-size:1.25rem;color:hsl(var(--text-primary));text-decoration:none;display:flex;align-items:center;gap:8px}.logo span{color:hsl(var(--primary))}footer{border-top:1px solid hsl(var(--border));padding:40px 24px;background-color:hsl(var(--bg-surface))}.footer-inner{max-width:1280px;margin:0 auto;display:flex;flex-direction:column;justify-content:space-between;gap:20px}.footer-inner p{color:hsl(var(--text-secondary))}@media(min-width:768px){.footer-inner{flex-direction:row}}.footer-links{display:flex;gap:24px}.footer-links a{color:hsl(var(--text-secondary));text-decoration:none;font-size:.875rem;transition:var(--transition-smooth)}.footer-links a:hover{color:hsl(var(--primary))}