:root{--bg: #f8fafc;--surface: #ffffff;--border: #e5e7eb;--text: #1e293b;--text-muted: #6b7280;--primary: #f59e0b;--primary-hover: #d97706;--error: #dc2626;--success: #059669;--radius: 12px;--font: "DM Sans", system-ui, sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}#root{min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}input{font-family:inherit;font-size:1rem}button{font-family:inherit;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}.error{color:var(--error);font-size:.9rem;font-weight:600;margin-top:.75rem;padding:.75rem .9rem;border-radius:8px;background:#fee2e2;border:1px solid #fecaca}.success{color:var(--success);font-size:.875rem;margin-top:.25rem}.layout{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:1.5rem}.main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;max-width:28rem;width:100%;margin:0 auto}.branding{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;width:100%;margin-bottom:1.5rem}.brand{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;color:var(--text);text-decoration:none;margin-bottom:.25rem}.brand:hover{text-decoration:none}.logo-img{width:40px;height:40px;border-radius:10px;object-fit:contain;display:block}.logo-text{font-weight:700;font-size:1.25rem}.tagline{color:var(--text-muted);font-size:.875rem}.main-content{width:100%;display:flex;flex-direction:column;align-items:center}.loading{color:var(--text-muted)}.muted{color:var(--text-muted);font-size:.9375rem;margin:0 0 1.25rem}.hint{color:var(--text-muted);font-size:.875rem;margin-top:1.5rem}.card{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem}.card--narrow{max-width:22rem}.card h1{margin:0 0 .5rem;font-size:1.5rem;font-weight:600}.nav-links{display:flex;flex-direction:column;gap:.5rem;margin-top:1rem}.nav-links a{display:inline-block;padding:.5rem 0}.footer-link{margin-top:1.25rem;font-size:.875rem}.link-button{background:none;border:none;padding:0;font-size:inherit;color:var(--primary);cursor:pointer;text-decoration:none}.link-button:hover{text-decoration:underline}.form{display:flex;flex-direction:column;gap:1.25rem;margin-top:1.5rem}.form label{display:flex;flex-direction:column;gap:.375rem;font-size:.875rem;font-weight:500}.form input{padding:.625rem .75rem;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text)}.form input::placeholder{color:var(--text-muted)}.form input:focus{outline:none;border-color:var(--primary)}.btn{padding:.625rem 1rem;border-radius:8px;border:none;font-weight:500;display:inline-block;text-align:center;text-decoration:none}.btn--primary{background:var(--primary);color:#fff;margin-top:.25rem}.btn--primary:hover:not(:disabled){background:var(--primary-hover)}.btn--store{display:block;margin:1.25rem 0;text-align:center;background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn--store:hover{border-color:var(--primary);color:var(--primary);background:#fffbeb}