:root{--color-primary: #232f3e;--color-primary-light: #37475a;--color-accent: #ff9900;--color-accent-hover: #ec7211;--color-success: #1d8102;--color-error: #d13212;--color-warning: #f89256;--color-bg: #f9fafb;--color-surface: #ffffff;--color-text: #16191f;--color-text-secondary: #545b64;--color-border: #d5dbdb;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--border-radius: 4px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text);line-height:1.6}#root{min-height:100vh;display:flex;flex-direction:column}.page-container{max-width:900px;margin:0 auto;padding:2rem 1.5rem;width:100%}.page-header{text-align:center;margin-bottom:2rem}.page-header h1{font-size:1.75rem;color:var(--color-primary);margin-bottom:.5rem}.page-header p{color:var(--color-text-secondary);font-size:.95rem}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--border-radius);padding:1.5rem;box-shadow:var(--shadow-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1.25rem;font-size:.875rem;font-weight:500;border-radius:var(--border-radius);border:1px solid transparent;cursor:pointer;transition:background-color .15s,border-color .15s}.btn-primary{background-color:var(--color-accent);color:var(--color-primary);border-color:var(--color-accent)}.btn-primary:hover{background-color:var(--color-accent-hover);border-color:var(--color-accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background-color:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{background-color:var(--color-bg)}.error-message{color:var(--color-error);font-size:.8rem;margin-top:.25rem}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}