.header.header-minimal{position:absolute;top:0;left:0;right:0;background:transparent;border-bottom:none}.header-minimal .header-content{max-width:1280px;margin:0 auto;padding:var(--space-lg) var(--space-xl);display:flex;justify-content:center}.logo{display:flex;align-items:center;gap:var(--space-sm);font-size:var(--font-size-xl);font-weight:700;color:var(--color-text-primary)}.logo:hover{color:var(--color-text-primary)}.logo-icon{font-size:var(--font-size-2xl);background:var(--color-accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.footer.footer-minimal{position:absolute;bottom:0;left:0;right:0;background:transparent;border-top:none;padding:var(--space-lg) 0;text-align:center}.footer-copyright{color:var(--color-text-muted);font-size:var(--font-size-sm)}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;gap:var(--space-md)}.loading-spinner{width:60px;height:60px;display:flex;align-items:center;justify-content:center;animation:spin 2s linear infinite}.spinner-icon{font-size:2.5rem;background:var(--color-accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.loading-text{color:var(--color-text-secondary);font-size:var(--font-size-sm)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}:root{--color-bg-primary: #0a0a0f;--color-bg-secondary: #12121a;--color-bg-tertiary: #1a1a24;--color-bg-elevated: #22222e;--color-text-primary: #f0f0f5;--color-text-secondary: #a0a0b0;--color-text-muted: #606070;--color-accent-primary: #6366f1;--color-accent-secondary: #8b5cf6;--color-accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--color-success: #22c55e;--color-warning: #f59e0b;--color-error: #ef4444;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(99, 102, 241, .3);--font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-size-4xl: 2.5rem;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);background-color:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--color-accent-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);font-size:var(--font-size-base);font-weight:500;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.btn-primary{background:var(--color-accent-gradient);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-glow)}.btn-secondary{background:var(--color-bg-tertiary);color:var(--color-text-primary);border:1px solid var(--color-bg-elevated)}.btn-secondary:hover{background:var(--color-bg-elevated)}.card{background:var(--color-bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--color-bg-tertiary);padding:var(--space-lg);transition:all var(--transition-normal)}.card:hover{border-color:var(--color-accent-primary);box-shadow:var(--shadow-glow)}.viewer-container{width:100%;height:100%;min-height:400px;background:var(--color-bg-secondary);border-radius:var(--radius-lg);overflow:hidden}.text-center{text-align:center}.text-muted{color:var(--color-text-muted)}.text-accent{color:var(--color-accent-primary)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}