:root{--color-primary: #4A90E2;--color-primary-light: #EBF4FF;--color-success: #6ABCA5;--color-success-bg: #E6F6F2;--color-danger: #FF8F7D;--color-danger-bg: #FFF0ED;--color-bg: #FAFAFA;--color-surface: #FFFFFF;--color-text-main: #333333;--color-text-secondary: #888888;--color-border: #EEEEEE;--font-main: " -apple-system", "BlinkMacSystemFont", "Segoe UI", "Roboto", "Helvetica", "Arial", sans-serif;--radius-sm: 12px;--radius-md: 16px;--radius-lg: 24px;--radius-full: 9999px;--shadow-sm: 0 4px 12px rgba(0, 0, 0, .03);--shadow-md: 0 8px 24px rgba(0, 0, 0, .06);--shadow-floating: 0 16px 48px rgba(74, 144, 226, .2);--spacing-xs: 6px;--spacing-sm: 12px;--spacing-md: 20px;--spacing-lg: 32px}body{background-color:var(--color-bg);color:var(--color-text-main)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--color-bg);color:var(--color-text-main);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh}button{cursor:pointer;border:none;background:none;font-family:inherit}input,textarea,select{font-family:inherit;font-size:16px}a{color:inherit;text-decoration:none}.container{max-width:600px;margin:0 auto;padding:0 var(--spacing-md);min-height:100vh;position:relative;display:flex;flex-direction:column}.text-center{text-align:center}.mt-md{margin-top:var(--spacing-md)}.mb-md{margin-bottom:var(--spacing-md)}.card{background:var(--color-surface);border-radius:var(--radius-md);padding:var(--spacing-md);box-shadow:var(--shadow-sm);border:1px solid rgba(0,0,0,.02);transition:transform .2s ease,box-shadow .2s ease}.card:active{transform:scale(.99)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:16px 32px;border-radius:var(--radius-full);font-weight:600;font-size:1.05rem;letter-spacing:.5px;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.btn-danger{background:linear-gradient(135deg,#ff8f7d,#ff6b5b);color:#fff;box-shadow:0 8px 20px #ff6b5b4d}.btn-danger:active{transform:translateY(2px);box-shadow:0 4px 10px #ff6b5b33}.btn-primary{background:var(--color-primary);color:#fff;box-shadow:0 8px 20px #4a90e240}.btn-ghost{background:transparent;color:var(--color-text-secondary);font-weight:500}.tag-container{display:flex;flex-wrap:wrap;gap:10px}.tag{padding:10px 18px;border-radius:var(--radius-lg);background-color:var(--color-bg);color:var(--color-text-secondary);border:1px solid var(--color-border);font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s ease}.tag.selected{background-color:var(--color-primary-light);color:var(--color-primary);border-color:var(--color-primary);font-weight:600}input,textarea{width:100%;padding:16px;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-bg);font-size:1rem;transition:border-color .2s;outline:none}input:focus,textarea:focus{border-color:var(--color-primary);background:#fff}