:root{--color-bg: #f9fafb;--color-surface: #ffffff;--color-primary: #10b981;--color-primary-hover: #059669;--color-text: #1f2937;--color-text-muted: #6b7280;--color-border: #e5e7eb;--color-success-bg: #d1fae5;--color-success-text: #065f46;--color-warning-bg: #fef3c7;--color-warning-text: #92400e;--color-error-bg: #fee2e2;--color-error-text: #b91c1c}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.5}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit;background:#fff;border:1px solid var(--color-border);color:var(--color-text);padding:.5rem .75rem;border-radius:.5rem;outline:none;transition:all .2s}input:focus,textarea:focus,select:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px #3b82f633}.premium-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:1rem;padding:1.5rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.btn-primary{background:var(--color-primary);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:600;transition:background .2s}.btn-primary:hover{background:var(--color-primary-hover)}.btn-secondary{background:transparent;border:1px solid var(--color-border);color:var(--color-text);padding:.75rem 1.5rem;border-radius:.5rem;transition:background .2s}.btn-secondary:hover{background:#ffffff0d}