:root{--bg-primary:#0a0a0a;--bg-card:#1a1a1a;--bg-input:#2a2a2a;--text-primary:#fafafa;--text-secondary:#a0a0a0;--accent:#cc0000;--accent-hover:#e60000;--border:#333}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;display:flex;align-items:center;justify-content:center}.auth-container{width:100%;max-width:400px;padding:2rem}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:2rem}.auth-header{text-align:center;margin-bottom:2rem}.auth-header h1{font-size:1.5rem;font-weight:700;margin-bottom:.5rem}.auth-header p{color:var(--text-secondary);font-size:.875rem}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.5rem;color:var(--text-secondary)}.form-group input{width:100%;padding:.75rem 1rem;background:var(--bg-input);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:.875rem;outline:none;transition:border-color .2s}.form-group input:focus{border-color:var(--accent)}.btn-primary{width:100%;padding:.75rem;background:var(--accent);color:white;border:none;border-radius:8px;font-size:.875rem;font-weight:600;cursor:pointer;transition:background .2s;margin-top:.5rem}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{width:100%;padding:.75rem;background:transparent;color:var(--text-primary);border:1px solid var(--border);border-radius:8px;font-size:.875rem;font-weight:500;cursor:pointer;transition:background .2s}.btn-secondary:hover{background:var(--bg-input)}.auth-footer{text-align:center;margin-top:1.5rem;font-size:.875rem;color:var(--text-secondary)}.auth-footer a{color:var(--accent);text-decoration:none}.auth-footer a:hover{text-decoration:underline}.error-message{background:#1a0000;border:1px solid #cc0000;border-radius:8px;color:#ff6666}.error-message,.success-message{padding:.75rem;margin-bottom:1rem;font-size:.875rem}.success-message{background:#001a00;border:1px solid #00cc00;border-radius:8px;color:#66ff66;text-align:center}