:root{--color-primary: #000000;--color-secondary: #666666;--color-tertiary: #999999;--color-background: #ffffff;--color-surface: #fafafa;--color-border: #e8e8e8;--color-text-primary: #1a1a1a;--color-text-secondary: #666666;--color-text-muted: #999999;--color-accent: #0066ff;--color-success: #00c851;--color-warning: #ffbb33;--color-error: #ff4444;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--font-family-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-family-mono: "SF Mono", Monaco, "Cascadia Code", monospace;--font-size-xs: 12px;--font-size-sm: 14px;--font-size-base: 16px;--font-size-lg: 18px;--font-size-xl: 20px;--font-size-2xl: 24px;--font-size-3xl: 32px;--font-size-4xl: 40px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .15);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .5s cubic-bezier(.68, -.55, .265, 1.55)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-family-primary);font-size:var(--font-size-base);line-height:1.6;color:var(--color-text-primary);background-color:var(--color-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@keyframes shimmer{0%{background-position:-200px 0}to{background-position:calc(200px + 100%) 0}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes ripple{0%{transform:scale(0);opacity:1}to{transform:scale(4);opacity:0}}.animate-fade-in{animation:fadeIn var(--transition-base) ease-out}.animate-slide-up{animation:slideUp var(--transition-base) ease-out}.animate-scale-in{animation:scaleIn var(--transition-base) ease-out}.animate-pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}.animate-float{animation:float 3s ease-in-out infinite}.interactive{cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.interactive:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#0000001a;transform:translate(-50%,-50%);transition:width var(--transition-fast),height var(--transition-fast)}.interactive:hover:before{width:300px;height:300px}.interactive:active{transform:scale(.98)}.btn-minimal{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-background);color:var(--color-text-primary);font-family:var(--font-family-primary);font-size:var(--font-size-sm);font-weight:500;text-decoration:none;cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.btn-minimal:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);transition:left var(--transition-slow)}.btn-minimal:hover{border-color:var(--color-primary);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-minimal:hover:before{left:100%}.btn-minimal:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.btn-minimal.primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-minimal.primary:hover{background:var(--color-secondary);border-color:var(--color-secondary)}.btn-minimal.ghost{background:transparent;border-color:transparent}.btn-minimal.ghost:hover{background:var(--color-surface);border-color:var(--color-border)}.card-minimal{background:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all var(--transition-base);position:relative;overflow:hidden}.card-minimal:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--color-border),transparent);opacity:0;transition:opacity var(--transition-base)}.card-minimal:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--color-primary)}.card-minimal:hover:before{opacity:1}.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200px 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}.loading-dots{display:flex;gap:var(--space-xs)}.loading-dots .dot{width:8px;height:8px;border-radius:50%;background:var(--color-primary);animation:pulse 1.4s ease-in-out infinite both}.loading-dots .dot:nth-child(1){animation-delay:-.32s}.loading-dots .dot:nth-child(2){animation-delay:-.16s}.loading-dots .dot:nth-child(3){animation-delay:0s}@media (max-width: 768px){:root{--space-lg: 20px;--space-xl: 28px;--space-2xl: 40px;--space-3xl: 56px;--font-size-3xl: 28px;--font-size-4xl: 36px}}*:focus{outline:2px solid var(--color-accent);outline-offset:2px}.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}